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Engine Choices (Taxi Testing New Engine)
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robin1(at)mrmoisture.com
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PostPosted: Thu Nov 29, 2007 11:14 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Kelly, Deem,
You can categorize this under too little too late but I negotiated with my engine builder to run my engine a total of 3 hours on the dyno instead of their standard 1.5 hours. I did this BEFORE I sent in my deposit for the engine. I originally thought we agreed on 4 hours but my contract said 3 so I asked if they could run it another hour since it was still on the stand. They said sure… for $500/hour. Nice… As an FYI when initially talking to the major builders Aerosport offered at my request to run the engine for up to 10 hours in house. Their cost… Fuel & Oil only.
I wanted the builder to run the engine a bit extra to give the people that know the most about this beast the opportunity to properly operate the engine in a controlled environment. I have never thought it was a good idea to take an airframe that has barely left the hangar let alone left the ground to the end of the runway and fly it full throttle the very first time. Think of how many things could go wrong even in an expertly built aircraft.
I hope with the added bench time the most critical phase of the break in will be professionally handled allowing us to perform normal taxi, high speed taxi and other ground testing without fear of damaging this engine.

Robin
Technically 3 hours to date.

Do Not Archive

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PostPosted: Fri Nov 30, 2007 4:33 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

That is definitely one of the solutions I had in mind. I'd think 3 hours
would be the bare minimum to get the rings somewhat seated. I suppose doing
high speed taxi tests where the engine got a few bursts of power, then was
shut down immediately might be OK, as an alternative, with full cowling in
place. Deems, I know you would not get adequate cooling without the cooling
and some forward motion.

On Nov 30, 2007 12:13 AM, Robin Marks <robin1(at)mrmoisture.com> wrote:

[quote] Kelly, Deem,

You can categorize this under too little too late but I negotiated with my
engine builder to run my engine a total of 3 hours on the dyno instead of
their standard 1.5 hours. I did this BEFORE I sent in my deposit for the
engine. I originally thought we agreed on 4 hours but my contract said 3 so
I asked if they could run it another hour since it was still on the stand


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Deems Davis



Joined: 09 Jan 2006
Posts: 925

PostPosted: Fri Nov 30, 2007 5:20 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

So how do the engine builders cool the engines when they run them on
their test stands for prolonged periods? The BPE dyno is inside IIRC,
and I recall numerous pictures of engine 'test cells' where the engine
is mounted on a trailer or the back of a truck. I'm not trying to be
argumentative, just trying to learn and understand. I think I'll give
Rhonda/Allen a shout and see if they've got any suggestions. Anybody
know how Aerosport does their test runs?

Deems

Kelly McMullen wrote:
Quote:
That is definitely one of the solutions I had in mind. I'd think 3
hours would be the bare minimum to get the rings somewhat seated. I
suppose doing high speed taxi tests where the engine got a few bursts
of power, then was shut down immediately might be OK, as an
alternative, with full cowling in place. Deems, I know you would not
get adequate cooling without the cooling and some forward motion.

On Nov 30, 2007 12:13 AM, Robin Marks <robin1(at)mrmoisture.com
<mailto:robin1(at)mrmoisture.com>> wrote:

Kelly, Deem,

You can categorize this under too little too late but I negotiated
with my engine builder to run my engine a total of 3 hours on the
dyno instead of their standard 1.5 hours. I did this BEFORE I sent
in my deposit for the engine. I originally thought we agreed on 4
hours but my contract said 3 so I asked if they could run it
another hour since it was still on the stand. They said sure… for
$500/hour.
*
*


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PostPosted: Fri Nov 30, 2007 5:44 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Test stands or dynos they use a "club" prop to move air, and a big pressure plenum over the engine, and possibly some additional big fans to keep cyl temps where they belong.

On Nov 30, 2007 6:19 AM, Deems Davis < deemsdavis(at)cox.net (deemsdavis(at)cox.net)> wrote:
[quote]--> RV10-List message posted by: Deems Davis < deemsdavis(at)cox.net (deemsdavis(at)cox.net)>

So how do the engine builders cool the engines when they run them on
their test stands for prolonged periods? The BPE dyno is inside IIRC,
and I recall numerous pictures of engine 'test cells' where the engine
is mounted on a trailer or the back of a truck. I'm not trying to be
argumentative, just trying to learn and understand. I think I'll give
Rhonda/Allen a shout and see if they've got any suggestions. Anybody
know how Aerosport does their test runs?

Deems

Kelly McMullen wrote:
Quote:
That is definitely one of the solutions I had in mind. I'd think 3
hours would be the bare minimum to get the rings somewhat seated. I
suppose doing high speed taxi tests where the engine got a few bursts
of power, then was shut down immediately might be OK, as an
alternative, with full cowling in place. Deems, I know you would not
get adequate cooling without the cooling and some forward motion.

On Nov 30, 2007 12:13 AM, Robin Marks <robin1(at)mrmoisture.com (robin1(at)mrmoisture.com)

> <mailto:robin1(at)mrmoisture.com (robin1(at)mrmoisture.com)>> wrote:
Quote:

Kelly, Deem,

You can categorize this under too little too late but I negotiated
with my engine builder to run my engine a total of 3 hours on the
dyno instead of their standard 1.5 hours. I did this BEFORE I sent
in my deposit for the engine. I originally thought we agreed on 4
hours but my contract said 3 so I asked if they could run it
another hour since it was still on the stand. They said sure… for
$500/hour.

Quote:
*

Quote:


*
http://www.matronics.com/contribution nbsp;- The RV10-List Email Forum - more: List" target="_blank">http://www.matronics.com/Navigator?RV10-Listhttp:=====================


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BPA(at)bpaengines.com
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PostPosted: Fri Nov 30, 2007 6:07 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Guys,

You need to keep your taxi tests (and all ground runs) as short as
possible. On the ground there is NOT enough cooling air to keep the
CHT's in check. Several 5-10 minute tests are much better than a couple
of lengthy runs around the airport. Need to keep CHT's in the 300-330
range while testing. Many a new/overhauled engine have had the jugs
removed to 'deglaze' the barrels because of extensive ground running.

We test new engines for 1 1/2 hours on our dynamometer. Additional time
is required whether it be on the dyno or in the airplane. Keep in mind
however that extensive ground running at any time can lead to what we
call coked cylinders.

When a cylinder gets hot, the oil 'cooks' and adheres itself to the
barrel. When this happens, instead of the rings scraping the oil off the
barrel (to dissipate the generated heat and to lubricate), the rings
hydroplane over the barrel. This leads to blo-by, dirty oil, and a lot
of wiping the belly down on your bird.

Allen
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coop85(at)cableone.net
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PostPosted: Fri Nov 30, 2007 6:47 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

I did the same thing with my engine from Aerosport. It showed up with 3 hours on it. However, I did very little taxi testing on it since the airplane was so easy to handle. It will fly without much effort and accelerates rapidly so be cautious with any intent to do high speed taxi testing unless you are ready to take it airborne.

Marcus
40286



From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Kelly McMullen
Sent: Friday, November 30, 2007 6:29 AM
To: rv10-list(at)matronics.com
Subject: Re: Engine Choices (Taxi Testing New Engine)


That is definitely one of the solutions I had in mind. I'd think 3 hours would be the bare minimum to get the rings somewhat seated. I suppose doing high speed taxi tests where the engine got a few bursts of power, then was shut down immediately might be OK, as an alternative, with full cowling in place. Deems, I know you would not get adequate cooling without the cooling and some forward motion.
On Nov 30, 2007 12:13 AM, Robin Marks <robin1(at)mrmoisture.com (robin1(at)mrmoisture.com)> wrote:
Kelly, Deem,
You can categorize this under too little too late but I negotiated with my engine builder to run my engine a total of 3 hours on the dyno instead of their standard 1.5 hours. I did this BEFORE I sent in my deposit for the engine. I originally thought we agreed on 4 hours but my contract said 3 so I asked if they could run it another hour since it was still on the stand. They said sure… for $500/hour.



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wayne.e(at)grandecom.net
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PostPosted: Sat Dec 01, 2007 5:02 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Hi Deems,

Attached are pictures of my engine on Aerosport's engine test stand, which is on the back of a truck so they can run it outside.

Boy I can't remember exactly, and my records are at the hangar, but I think they ran it for nearly 4 hours on the test stand. I seem to remember they had an entry where they ran it somewhere around 45 minutes at 2750rpm on one run.

Wayne Edgerton N602WT








Time: 05:20:35 AM PST US From: Deems Davis <deemsdavis(at)cox.net (deemsdavis(at)cox.net)> Subject: Re: Engine Choices (Taxi Testing New Engine)  

So how do the engine builders cool the engines when they run them on
their test stands for prolonged periods? The BPE dyno is inside IIRC,
and I recall numerous pictures of engine 'test cells' where the engine
is mounted on a trailer or the back of a truck. I'm not trying to be
argumentative, just trying to learn and understand. I think I'll give
Rhonda/Allen a shout and see if they've got any suggestions. Anybody
know how Aerosport does their test runs?

Deems


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AV8ORJWC



Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"

PostPosted: Sat Dec 01, 2007 5:45 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

A wonderful view on the perspective. Thanks Wayne

John Cox


From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Wayne Edgerton
Sent: Saturday, December 01, 2007 5:02 AM
To: rv10-list(at)matronics.com
Subject: Re: Engine Choices (Taxi Testing New Engine)


Hi Deems,



Attached are pictures of my engine on Aerosport's engine test stand, which is on the back of a truck so they can run it outside.



Boy I can't remember exactly, and my records are at the hangar, but I think they ran it for nearly 4 hours on the test stand. I seem to remember they had an entry where they ran it somewhere around 45 minutes at 2750rpm on one run.



Wayne Edgerton N602WT

















Time:
05:20:35 AM PST US

From:
Deems Davis <deemsdavis(at)cox.net (deemsdavis(at)cox.net)>

Subject:
Re: Engine Choices (Taxi Testing New Engine)


So how do the engine builders cool the engines when they run them on
their test stands for prolonged periods? The BPE dyno is inside IIRC,
and I recall numerous pictures of engine 'test cells' where the engine
is mounted on a trailer or the back of a truck. I'm not trying to be
argumentative, just trying to learn and understand. I think I'll give
Rhonda/Allen a shout and see if they've got any suggestions. Anybody
know how Aerosport does their test runs?

Deems

[quote][b]


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AV8ORJWC



Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"

PostPosted: Mon Dec 03, 2007 11:24 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Allen, my tail is on fire here in Oregon for not having 20/20 Hindsight
vision on the poor job our state legislature just did for banning all
gasoline sales (both MOGAS and AVGAS) which does not contain at least
10% ethanol. They (the Greenies)want even more.

Can you come up with a price to Dyno an IO and O-540D4A5 run on 10%
adulterated Oregon fuel and maybe E85 so everyone can chose their engine
wisely. This is not about availability, this is about Greenies saying
AVGAS must help clean the environment and save Global Warming. Jerry
Cochran in his Subie began the call that the "Sky is Falling to the
EAA". The Tsunami hits next month.

Dave Martin, past President of OPA and past Editor of Kitplanes added
the impact ramification to LSA, STCed aircraft and other Rotax
propulsion systems. This issue will clearly affect all kit builders,
not just us RV-10 bangers. Hard data is always best and maybe you will
direct me to contract with George Braly. "Carbon credits" like Albert
Gore uses might have made more sense to the public.

John Cox
VP for Legislative Affairs - Oregon Pilots Association

--


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scottmschmidt(at)yahoo.co
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PostPosted: Mon Dec 03, 2007 1:20 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

A couple of questions:
What studies did they do to show there are no issues with all the current aircraft?
What effect do you all see with this if we want to fly our IO-540's out there?

It really is too bad the special interest groups have so much power. I don't know how they do it.
If they only knew the effect of 100LL vs. what other countries allow. Pollution is a global problem and I can promise that 100LL is not the issue. I've traveled the world in my oil and gas career and they need to go visit a few third world countries. We are the leaders in burning energy cleanly. I want clean air too but lets be smart about it.
Just wait til China starts driving cars, I can promise they won't have the restrictions we have, and oil will blow through $100/bbl with ease.
I love the ads on TV that GM has: "I want to drive an electric car!" And where are you going to get the electricity?

Sorry, stupidity bothers me. Just concerned about flying to OR now. I do think this ethanol fad will be gone in 24 months when they find out how much energy it takes to produce it and that we can't continue to increase the production of it.

Go get em John!!! Talk some sense into them.
Scott Schmidt
scottmschmidt(at)yahoo.com

---


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Rhonda(at)bpaengines.com
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PostPosted: Mon Dec 03, 2007 2:19 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

To the List:

This is a response from Monty regarding testing of Ethanol in engines
for aviation. He asked me to post it directly to the list.

Thanks!
Rhonda

"John:

A few years ago we did some ethanol tests including E-85, straight
ethanol, oxygenated fuel with ETBE, and some other tests. As far as
ethanol is concerned with the performance of the engine there was a
significant power loss when burning the same amount of ethanol in terms
of weight compared to av-gas.

Some facts: (not all)

Straight ethanol will not vaporize below 50 F. and an engine to be
operated on straight ethanol MUST be started with a more volatile fuel.
There are some vapor pressure issues with diluted av-gas, of which I
have forgotten the details. Ethanol-gas mixes MAY be harmful to fuel
hoses. This is a test which needs to be done. I am not sure what the
results would be.

Contrary to popular belief, ethanol fuels can be made to detonate.

Adding ethanol to av-gas (or mogas either) requires some strict quality
control on the ethanol product. I don't believe those controls are in
place. Av-gas is strictly controlled at the refinery level and I
seriously doubt that the refiners are going to add ethanol to av-gas
because of the potential of litigation in the event of a fuel related
accident. In the case of mogas there is not much to fear from the
attorneys because the failed vehicle just pulls to the side of the road.
A little bit different in an airplane.

The "greenies" have petitioned the EPA to do a study on the effects of
lead in av-gas with regard to the atmosphere. I guess your legislators
could not wait for the results of that study and "jumped the gun" trying
to force the issue? The legislatures in question have created a very
unsafe, if not illegal statute. Av-gas specifications are mandated by
the engine manufacturers and the whole set of certification regulations
is based on the fuel to be used. This includes the engine, its pumps,
airframe hoses, weight and balance issues (assuming ethanol is of a
different weight than av-gas), performance criteria, operational
ceilings, turbocharger materials, etc. In 10 words or less, the FAA
controls what fuels are suitable.

The costs to test for all the aspects of ethanol reduced fuels are
likely to be enormous. It may be a smart move by the aviation community
as a whole, to seek an injunction against this legislation until such
times as the testing required can be completed. This may take several
years.

I'll stay in touch and you do the same with me, please.

Monty Barrett
Barrett Precision Engines, Inc."
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PostPosted: Mon Dec 03, 2007 4:47 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Might I point out that your Oregon legislature has no jurisdiction over aviation fuel. Zero. None, etc. Federal preemption over aviation is still the law of the 50 states.
If 10% ethanol is added to current 100LL, it won't meet the specs for the fuel, especially for vapor pressure, as that addition raises the vapor pressure a fuel inch..so your 7.0 Avgas will be 8.0 give or take a tenth. Second, the FAA has prohibited ethanol in fuel for all aircraft that don't hold an STC to use it.
As Rhonda mentioned, ethanol is detrimental to our fuel systems, as the gaskets in your carburetor/fuel injection, the O-rings in your valves, and any rubber hoses in your system are all subject to attack by the ethanol. Then any bare aluminum in your fuel tanks is subject to corrosion by the ethanol.
In other words, your politicians stepped in a big pile of doo-doo and unless they want the FAA on one side and Arthur Alan Wolk on the other side handing them their head for lunch, they best undo it. Maybe the EAA should be involved as well.

On 12/3/07, John W. Cox <johnwcox(at)pacificnw.com (johnwcox(at)pacificnw.com)> wrote:[quote] --> RV10-List message posted by: "John W. Cox" <johnwcox(at)pacificnw.com (johnwcox(at)pacificnw.com)>

Allen, my tail is on fire here in Oregon for not having 20/20 Hindsight
vision on the poor job our state legislature just did for banning all
gasoline sales (both MOGAS and AVGAS) which does not contain at least
10% ethanol. They (the Greenies)want even more.

Can you come up with a price to Dyno an IO and O-540D4A5 run on 10%
adulterated Oregon fuel and maybe E85 so everyone can chose their engine
wisely. This is not about availability, this is about Greenies saying
AVGAS must help clean the environment and save Global Warming. Jerry
Cochran in his Subie began the call that the "Sky is Falling to the
EAA". The Tsunami hits next month.

Dave Martin, past President of OPA and past Editor of Kitplanes added
the impact ramification to LSA, STCed aircraft and other Rotax
propulsion systems. This issue will clearly affect all kit builders,
not just us RV-10 bangers. Hard data is always best and maybe you will
direct me to contract with George Braly. "Carbon credits" like Albert
Gore uses might have made more sense to the public.

John Cox
VP for Legislative Affairs - Oregon Pilots Association

-[b]


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AV8ORJWC



Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"

PostPosted: Mon Dec 03, 2007 6:27 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Let’s take it the next step Kelly to mandate MOGAS has 10% + Ethanol in all 50 states. Now all of those Peterson and EAA STCed aircraft refueling in Orygun will pass Ethanol through the lines, seals and over the gaskets. Rotax requires not more than 50% Avgas to be added to Mogas or extensive additional repair work is required.

Dave Martin (EAA 78011) representing the EAA will make the plea tomorrow before this panel of idiots. These are politicians I have not voted for, do not endorse and know little of the consequence of their action to revenue collection reductions, negative mpact to tourism and economic develop and aviation safety. We will soon be the Western Appalachia of the US of A. There is a distinct possibility that one of the politicians is the son of the acting Director of Aviation.

The Greenies are everywhere. Be vigilant out there. It is soon to be an election year.

John (EAA 565497)


From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Kelly McMullen
Sent: Monday, December 03, 2007 4:46 PM
To: rv10-list(at)matronics.com
Subject: Re: Engine Choices (Taxi Testing New Engine)


Might I point out that your Oregon legislature has no jurisdiction over aviation fuel. Zero. None, etc. Federal preemption over aviation is still the law of the 50 states.
If 10% ethanol is added to current 100LL, it won't meet the specs for the fuel, especially for vapor pressure, as that addition raises the vapor pressure a fuel inch..so your 7.0 Avgas will be 8.0 give or take a tenth. Second, the FAA has prohibited ethanol in fuel for all aircraft that don't hold an STC to use it.
As Rhonda mentioned, ethanol is detrimental to our fuel systems, as the gaskets in your carburetor/fuel injection, the O-rings in your valves, and any rubber hoses in your system are all subject to attack by the ethanol. Then any bare aluminum in your fuel tanks is subject to corrosion by the ethanol.
In other words, your politicians stepped in a big pile of doo-doo and unless they want the FAA on one side and Arthur Alan Wolk on the other side handing them their head for lunch, they best undo it. Maybe the EAA should be involved as well.
On 12/3/07, John W. Cox <johnwcox(at)pacificnw.com (johnwcox(at)pacificnw.com)> wrote:
--> RV10-List message posted by: "John W. Cox" <johnwcox(at)pacificnw.com (johnwcox(at)pacificnw.com)>

Allen, my tail is on fire here in Oregon for not having 20/20 Hindsight
vision on the poor job our state legislature just did for banning all
gasoline sales (both MOGAS and AVGAS) which does not contain at least
10% ethanol. They (the Greenies)want even more.

Can you come up with a price to Dyno an IO and O-540D4A5 run on 10%
adulterated Oregon fuel and maybe E85 so everyone can chose their engine
wisely. This is not about availability, this is about Greenies saying
AVGAS must help clean the environment and save Global Warming. Jerry
Cochran in his Subie began the call that the "Sky is Falling to the
EAA". The Tsunami hits next month.

Dave Martin, past President of OPA and past Editor of Kitplanes added
the impact ramification to LSA, STCed aircraft and other Rotax
propulsion systems. This issue will clearly affect all kit builders,
not just us RV-10 bangers. Hard data is always best and maybe you will
direct me to contract with George Braly. "Carbon credits" like Albert
Gore uses might have made more sense to the public.

John Cox
VP for Legislative Affairs - Oregon Pilots Association

-

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AV8ORJWC



Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"

PostPosted: Mon Dec 03, 2007 6:43 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

The phrases were snuck in at the last minute after being passed by the House (March 1st), forwarded to the Senate (June 21st) and signed by the Governor (July 3rd). The bill was introduced by the Director of the Oregon State, Department of Energy (January 8th) to promote ethanol production from Oregon grain products. These types of administrative not legislative introductions score extremely high with a Passage Rate. Bill introduced by duly elected legislator have an extremely low Passage Rate.

No one said a word until a vigilant EAA member in an adjacent state, flying an alternate powered RV whispered the “King is wearing no clothes”. Effective Date September 27. Promulgated into Public policy next month. Even national EAA heard whisper after it was too late.

John C.


From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Scott Schmidt
Sent: Monday, December 03, 2007 1:20 PM
To: rv10-list(at)matronics.com
Subject: Re: Engine Choices (Taxi Testing New Engine)


A couple of questions:
What studies did they do to show there are no issues with all the current aircraft?
What effect do you all see with this if we want to fly our IO-540's out there?

It really is too bad the special interest groups have so much power. I don't know how they do it.
If they only knew the effect of 100LL vs. what other countries allow. Pollution is a global problem and I can promise that 100LL is not the issue. I've traveled the world in my oil and gas career and they need to go visit a few third world countries. We are the leaders in burning energy cleanly. I want clean air too but lets be smart about it.
Just wait til China starts driving cars, I can promise they won't have the restrictions we have, and oil will blow through $100/bbl with ease.
I love the ads on TV that GM has: "I want to drive an electric car!" And where are you going to get the electricity?

Sorry, stupidity bothers me. Just concerned about flying to OR now. I do think this ethanol fad will be gone in 24 months when they find out how much energy it takes to produce it and that we can't continue to increase the production of it.

Go get em John!!! Talk some sense into them.

Scott Schmidt
scottmschmidt(at)yahoo.com

---


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PostPosted: Mon Dec 03, 2007 7:20 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

Well, I doubt that ethanol will be mandated nationwide, simply because there isn't a viable production capacity at least until they solve cellulosic ethanol, as there isn't enough corn and much of the environmental community recognizes that corn derived ethanol at any higher than production levels is an environmental disaster. Not to mention that it does very little to increase overall fuel supplies.
Hmm, can we spell serious problems for LSA if Rotax really has a problem with Avgas?
Where is the boating community on this? Can't imagine it causing anything but trouble for fuel tanks and engines next to water.

On 12/3/07, John W. Cox <johnwcox(at)pacificnw.com (johnwcox(at)pacificnw.com)> wrote:[quote]
Let's take it the next step Kelly to mandate MOGAS has 10% + Ethanol in all 50 states. Now all of those Peterson and EAA STCed aircraft refueling in Orygun will pass Ethanol through the lines, seals and over the gaskets. Rotax requires not more than 50% Avgas to be added to Mogas or extensive additional repair work is required.

Dave Martin (EAA 78011) representing the EAA will make the plea tomorrow before this panel of idiots. These are politicians I have not voted for, do not endorse and know little of the consequence of their action to revenue collection reductions, negative mpact to tourism and economic develop and aviation safety. We will soon be the Western Appalachia of the US of A. There is a distinct possibility that one of the politicians is the son of the acting Director of Aviation.

The Greenies are everywhere. Be vigilant out there. It is soon to be an election year.

John (EAA 565497)


[b]


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PostPosted: Mon Dec 03, 2007 8:34 pm    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

John, I saw on another list that the OR ethanol mandate was ONLY for Mogas, not Avgas. Of course that still leaves all the STC'd folks and LSA folks in trouble, as well as the marine folks. I'll have to ask what folks around my home drome do, since we have 10% for all the winter months, mandatory, but optional in the summer.

On 12/3/07, Kelly McMullen <apilot2(at)gmail.com (apilot2(at)gmail.com)> wrote:[quote] Well, I doubt that ethanol will be mandated nationwide, simply because there isn't a viable production capacity at least until they solve cellulosic ethanol, as there isn't enough corn and much of the environmental community recognizes that corn derived ethanol at any higher than production levels is an environmental disaster. Not to mention that it does very little to increase overall fuel supplies.
Hmm, can we spell serious problems for LSA if Rotax really has a problem with Avgas?
Where is the boating community on this? Can't imagine it causing anything but trouble for fuel tanks and engines next to water.

On 12/3/07, John W. Cox < johnwcox(at)pacificnw.com (johnwcox(at)pacificnw.com)> wrote:
Quote:

Let's take it the next step Kelly to mandate MOGAS has 10% + Ethanol in all 50 states. Now all of those Peterson and EAA STCed aircraft refueling in Orygun will pass Ethanol through the lines, seals and over the gaskets. Rotax requires not more than 50% Avgas to be added to Mogas or extensive additional repair work is required.

Dave Martin (EAA 78011) representing the EAA will make the plea tomorrow before this panel of idiots. These are politicians I have not voted for, do not endorse and know little of the consequence of their action to revenue collection reductions, negative mpact to tourism and economic develop and aviation safety. We will soon be the Western Appalachia of the US of A. There is a distinct possibility that one of the politicians is the son of the acting Director of Aviation.

The Greenies are everywhere. Be vigilant out there. It is soon to be an election year.

John (EAA 565497)




[b]


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PostPosted: Tue Dec 04, 2007 7:28 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

In Missouri, we have a mandate that ALL gasoline sold must contain at
least 10% ethanol beginning Jan. 1, 2009. However, at least it looks
like someone had good sense to exempt aircraft from the bill, see:

http://www.house.mo.gov/bills061/bilsum/commit/sHB1270C.htm

Then again, if the fuel trucks are carrying blended fuel, won't that
contaminate straight MOGAS destined for the local airports? Or are the
fuel vendors going to have to use separate trucks to deliver MOGAS to
airports same as they do now for Avgas? I don't think so. The supply
of "clean" MOGAS at Missouri airports will dry up. My local airport
has a pump and tank for 87 MOGAS.

Kevin Hovis.

On 12/3/07, Kelly McMullen <apilot2(at)gmail.com> wrote:
Quote:
John, I saw on another list that the OR ethanol mandate was ONLY for Mogas,
not Avgas. Of course that still leaves all the STC'd folks and LSA folks in
trouble, as well as the marine folks. I'll have to ask what folks around my
home drome do, since we have 10% for all the winter months, mandatory, but
optional in the summer.

On 12/3/07, Kelly McMullen <apilot2(at)gmail.com> wrote:
>
> Well, I doubt that ethanol will be mandated nationwide, simply because
> there isn't a viable production capacity at least until they solve
> cellulosic ethanol, as there isn't enough corn and much of the
environmental
> community recognizes that corn derived ethanol at any higher than
production
> levels is an environmental disaster. Not to mention that it does very
little
> to increase overall fuel supplies.
> Hmm, can we spell serious problems for LSA if Rotax really has a problem
> with Avgas?
> Where is the boating community on this? Can't imagine it causing anything
> but trouble for fuel tanks and engines next to water.
>
> On 12/3/07, John W. Cox <johnwcox(at)pacificnw.com> wrote:
> >
> > Let's take it the next step Kelly to mandate MOGAS has 10% + Ethanol in
> > all 50 states. Now all of those Peterson and EAA STCed aircraft
refueling
> > in Orygun will pass Ethanol through the lines, seals and over the
gaskets.
> > Rotax requires not more than 50% Avgas to be added to Mogas or
extensive
> > additional repair work is required.
> >
> >
> >
> > Dave Martin (EAA 78011) representing the EAA will make the plea tomorrow
> > before this panel of idiots. These are politicians I have not voted
for, do
> > not endorse and know little of the consequence of their action to
revenue
> > collection reductions, negative mpact to tourism and economic develop
and
> > aviation safety. We will soon be the Western Appalachia of the US of A.
> > There is a distinct possibility that one of the politicians is the son
of
> > the acting Director of Aviation.
> >
> >
> >
> > The Greenies are everywhere. Be vigilant out there. It is soon to be
> > an election year.
> >
> >
> >
> > John (EAA 565497)
> >
> >
> >
>
>



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PostPosted: Tue Dec 04, 2007 8:34 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

In a message dated 12/4/2007 9:30:02 AM Central Standard Time, james.k.hovis(at)gmail.com writes:
Quote:
Then again, if the fuel trucks are carrying blended fuel, won't that
contaminate straight MOGAS destined for the local airports? Or are the
fuel vendors going to have to use separate trucks to deliver MOGAS to
airports same as they do now for Avgas? I don't think so. The supply
of "clean" MOGAS at Missouri airports will dry up. My local airport
has a pump and tank for 87 MOGAS.


Kevin don't know how your gas is delivered but generally because the tankers are carrying leaded gas for 100LL they cannot use those tanks for any other product, thus it's my understanding that these tank wagons are dedicated tanks...that's another reason we pay extra for aviation fuel.

P


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PostPosted: Tue Dec 04, 2007 10:04 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

You're right. I'm afraid delivering straight MOGAS (no ethanol) will
end up in the same boat, only a few suppliers willing to dedicate a
truck or two to deliver to the few airports who sell MOGAS (as
compared to the ethanol-gas delivered to the thousands of filling
stations). The price could end up the same as Avgas. But at least
premium gasoline in Missouri won't be required to have ethanol. You'll
probably have to ask to see if the premium in the tanks at the filling
station does or doesn't have ethanol. Think the $5 an hour clerk will
know???

Kevin H.

On 12/4/07, GRANSCOTT(at)aol.com <GRANSCOTT(at)aol.com> wrote:
Quote:

In a message dated 12/4/2007 9:30:02 AM Central Standard Time,
james.k.hovis(at)gmail.com writes:

Then again, if the fuel trucks are carrying blended fuel, won't that
contaminate straight MOGAS destined for the local airports? Or are the
fuel vendors going to have to use separate trucks to deliver MOGAS to
airports same as they do now for Avgas? I don't think so. The supply
of "clean" MOGAS at Missouri airports will dry up. My local airport
has a pump and tank for 87 MOGAS.

Kevin don't know how your gas is delivered but generally because the
tankers
are carrying leaded gas for 100LL they cannot use those tanks for any other
product, thus it's my understanding that these tank wagons are dedicated
tanks...that's another reason we pay extra for aviation fuel.

P

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PostPosted: Tue Dec 04, 2007 10:21 am    Post subject: Engine Choices (Taxi Testing New Engine) Reply with quote

In a message dated 12/4/2007 12:08:29 PM Central Standard Time, james.k.hovis(at)gmail.com writes:
Quote:
Think the $5 an hour clerk will
know???


That's why you should test it yourself if you're using staight MoGas sans alcohol...

P


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