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kaarsberg(at)terra.com.br
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 Posted: Wed Oct 03, 2012 5:48 pm Post subject: [Spam] New to List |
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Jeremy, welcome to the list, I am sure you will appreciate it.
I can only answer your question 6, at 110 cm it is as wide as a Beech Baron I am told! I have no intention of doing that mod.
Brgds, Alex, kit 529.
Enviado via iPhone
Em 03/10/2012, Ã s 17:51, Jeremy Fisher <jffisher(at)gmail.com> escreveu:
| Quote: |
I recently took over a Europa XS project that has most of the structure now complete. I am based at an Airpark on Cape Cod in the US, and previously built a Lancair 360.
After going through the aircraft and all of the books, I have a couple of questions, and would be grateful for any inputs or advice. In particular:
1. I just bought a refurbished Rotax 914. Is it worth the hassle to fit an intercooler? The advice from the outfit that refurbished it is not to bother, as the engine will adjust for any issues with the temperature of the inlet air.
2. Access to the cockpit appears to be pretty awkward. Has anyone tried to install a step to assist, or is it easier to get in than it looks? In addition, do you need to reinforce the wing upper surface where you have to step to get in, or is it strong enough to take size 10 boots?
3. I am far from impressed by the cooling set up, and I know that lots of people have modified the standard system. Has anyone used the Laminova oil to water cooler, and if so, which size did you use, and what was the result?
4. Where can I find the pattern for the oil reservoir mounting plate? My manual refers to it, but it seems to be missing from my documentation.
5. For those of you who are not cursed with the LAA, has anyone installed an autopilot pitch servo connected to the system without changing the lateral pitch tube as per the factory installation? It would be both expensive and fairly difficult for me to change it at this build stage. I am considering a couple of alternatives and would like to learn from anyone else's experience.
6. My wife and i are both pretty skinny (she is slender, i am skinny!). Do you find that widening the cockpit at the shoulders as per the Mod List is worth it, or do you not have any problem with the standard cockpit in practice?
Thank you for any advice that you can offer.
Jerry Fisher
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paul.the.aviator(at)gmail
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| Posted: Thu Oct 04, 2012 3:41 am Post subject: [Spam] New to List |
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Hi Jeremy,
I have not done the cabin mod and although the cabin is nice and wide as it is, the mod removes a ridge that pokes you just below the shoulder in the bicep. If I had it over again then I would do it.
I am not aware of what it takes to do the high top mod, but that is something I would consider as well. I am 180cm tall and an extra 20mm would be really nice.
As to the build, generally I would not encourage you to deviate too much. The original design is pretty close to "good" and any departures will add time to your build, much more than you think it will.
The only other thing I would have done differently is the fuel system.
- Aluminum fuel lines. Lighter and last forever
- Keep the original parallel fuel pump design but add check valves.
- Separate the fuel pump inlets and feed each one with a gascolator.
As to cooling. I have extensively modified my cooling with cowl flaps, lamovia heat exchanger, diffused inlets, intercooler and internal ducting. I have spent 12 months over 3 winters and countless hours on this and although I am close, its still not right. I would encourage you to think carefully before getting into complex modifications.
It you really want to get into this then don't do what I did, take a look at Fran's solution, but plan on adding 6 months to your build.
Paul
On Wed, Oct 3, 2012 at 8:47 PM, Alex Kaarsberg <kaarsberg(at)terra.com.br (kaarsberg(at)terra.com.br)> wrote:
[quote]--> Europa-List message posted by: Alex Kaarsberg <kaarsberg(at)terra.com.br (kaarsberg(at)terra.com.br)>
Jeremy, welcome to the list, I am sure you will appreciate it.
I can only answer your question 6, at 110 cm it is as wide as a Beech Baron I am told! I have no intention of doing that mod.
Brgds, Alex, kit 529.
[b]
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AirEupora
Joined: 01 Nov 2009
Posts: 186
Location: Dixon, CA
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| Posted: Thu Oct 04, 2012 6:43 am Post subject: Re: [Spam] New to List |
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Welcome to the forum.
I'm 6' 2" and was 250. So I did the high top and the cabin width Mods. Both were worth the time and trouble for me. The only trouble I had was the new wind screen that the company sent. It was to small for the opening as I did the 64B mod.
I also put in the auto-pilot. I made the pitch bracket and would be glad to sent you a copy and pictures. You don't have to take the pitch control out of the aircraft.
As far as getting in and out. My wife is 72 and she has had no problem. I followed Bud advice and reinforce the wing in the step area. You sit on the front of the wing then move your rear end onto the head rest and pull your legs into the cockpit then sit down. The same coming out.
Again welcome.
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frans(at)privatepilots.nl
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| Posted: Thu Oct 04, 2012 12:05 pm Post subject: [Spam] New to List |
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On 10/04/2012 01:34 PM, Paul McAllister wrote:
| Quote: | As to cooling. I have extensively modified my cooling with cowl flaps,
lamovia heat exchanger, diffused inlets, intercooler and internal
ducting. I have spent 12 months over 3 winters and countless hours on
this and although I am close, its still not right. I would encourage
you to think carefully before getting into complex modifications.
|
Well, at least we can now tell what won't work.
The main thing we found is that no matter what you try, the original
coolant radiator is just to thick to get both a decent low drag and
efficient air flow through it. Replace it with a thin radiator (as in
*every* commercial Rotax application I have seen) and from there you can
just optimize the cooling system by recycling the exit air for cowling
and turbo cooling and applying an adjustable cowl flap for temperature
regulation, and optimizing inlet and outlet for minimal drag. It will
give you superb cooling and add some knots to your airspeed at the same
time.
| Quote: | It you really want to get into this then don't do what I did, take a
look at Fran's solution, but plan on adding 6 months to your build.
|
Thanks! Well, 6 months is a little bit exaggarated once you know how to
do it, but of course you need to extensively modify the cowling, and
depending on your skills and experience this will take more or less
time. I had no prior experience in modelling and building shapes, but
once I got the hang of it I could work pretty fast. Before I got it
right I built a dozen or so diffusing air inlets (in fruitless attempts
to get sufficient airflow through the thick radiator). The end result
with a thin radiator in line with the cowling belly is surprisingly
easy, much easier to build than all the carefully calculated and shaped
diffusers. Take a look at the Rotax equipped Diamond airplanes (super
Dimona, Katana) to get some inspiration.
I used a Laminova heat exchanger so I only had to care about cooling of
the coolant.
Frans
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kheindl(at)msn.com
Guest
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| Posted: Thu Oct 04, 2012 12:18 pm Post subject: [Spam] New to List |
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Frans,
Could you give us the details and source of the thin radiator ?
Many thanks.
Karl
| Quote: | Date: Thu, 4 Oct 2012 22:56:17 +0200
From: frans(at)privatepilots.nl
To: europa-list(at)matronics.com
Subject: Re: [Spam] New to List
--> Europa-List message posted by: Frans Veldman <frans(at)privatepilots.nl>
On 10/04/2012 01:34 PM, Paul McAllister wrote:
> As to cooling. I have extensively modified my cooling with cowl flaps,
> lamovia heat exchanger, diffused inlets, intercooler and internal
> ducting. I have spent 12 months over 3 winters and countless hours on
> this and although I am close, its still not right. I would encourage
> you to think carefully before getting into complex modifications.
Well, at least we can now tell what won't work.
The main thing we found is that no matter what you try, the original
coolant radiator is just to thick to get both a decent low drag and
efficient air flow through it. Replace it with a thin radiator (as in
*every* commercial Rotax application I have seen) and from there you can
just optimize the cooling system by recycling the exit air for cowling
and turbo cooling and applying an adjustable cowl flap for temperature
regulation, and optimizing inlet and outlet for minimal drag. It will
give you superb cooling and add some knots to your airspeed at the same
time.
> It you really want to get into this then don't do what I did, take a
> look at Fran's solution, but plan on adding 6 months to your build.
Thanks! Well, 6 months is a little bit exaggarated once you know how to
do it, but of course you need to extensively modify the cowling, and
depending on your skills and experience this will take more or less
time. I had no prior experience in modelling and building shapes, but
once I got the hang of it I could work pretty fast. Before I got it
right I built a dozen or so diffusing air inlets (in fruitless attempts
to get sufficient airflow through the thick radiator). The end result
with a thin radiator in line with the cowling belly is surprisingly
easy, much easier to build than all the carefully calculated and shaped
diffusers. Take a look at the Rotax equipped Diamond airplanes (super
Dimona, Katana) to get some inspiration.
I used a Laminova heat exchanger so I only had to care about cooling of
the coolant.
Frans
>======================
|
>=======
[quote][b]
| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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N6ZY
Joined: 08 Aug 2011
Posts: 31
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| Posted: Thu Oct 04, 2012 1:09 pm Post subject: [Spam] New to List |
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Frans,
Do you have any photos of your cooling set up available? Thanks.
Jerry
On Oct 4, 2012, at 4:56 PM, Frans Veldman wrote:
| Quote: |
On 10/04/2012 01:34 PM, Paul McAllister wrote:
> As to cooling. I have extensively modified my cooling with cowl flaps,
> lamovia heat exchanger, diffused inlets, intercooler and internal
> ducting. I have spent 12 months over 3 winters and countless hours on
> this and although I am close, its still not right. I would encourage
> you to think carefully before getting into complex modifications.
Well, at least we can now tell what won't work.
The main thing we found is that no matter what you try, the original
coolant radiator is just to thick to get both a decent low drag and
efficient air flow through it. Replace it with a thin radiator (as in
*every* commercial Rotax application I have seen) and from there you can
just optimize the cooling system by recycling the exit air for cowling
and turbo cooling and applying an adjustable cowl flap for temperature
regulation, and optimizing inlet and outlet for minimal drag. It will
give you superb cooling and add some knots to your airspeed at the same
time.
> It you really want to get into this then don't do what I did, take a
> look at Fran's solution, but plan on adding 6 months to your build.
Thanks! Well, 6 months is a little bit exaggarated once you know how to
do it, but of course you need to extensively modify the cowling, and
depending on your skills and experience this will take more or less
time. I had no prior experience in modelling and building shapes, but
once I got the hang of it I could work pretty fast. Before I got it
right I built a dozen or so diffusing air inlets (in fruitless attempts
to get sufficient airflow through the thick radiator). The end result
with a thin radiator in line with the cowling belly is surprisingly
easy, much easier to build than all the carefully calculated and shaped
diffusers. Take a look at the Rotax equipped Diamond airplanes (super
Dimona, Katana) to get some inspiration.
I used a Laminova heat exchanger so I only had to care about cooling of
the coolant.
Frans
|
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frans(at)privatepilots.nl
Guest
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| Posted: Fri Oct 05, 2012 9:02 am Post subject: [Spam] New to List |
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On 10/04/2012 10:18 PM, Karl Heindl wrote:
| Quote: | Could you give us the details and source of the thin radiator ?
|
This custom made radiator is made by a Czech company,
www.aluminiumracing.com (see their pictures of Rotax radiators).
This is basically the "standard" Rotax radiator, as recommended by Rotax
and used in practically all commercial applications. (You may not be
aware of this, but Rotax is a very common engine in Europe, many
(commercial) airplanes use this engine. Normally, the Rotax is used with
the factory radiator, which is made by this Czech company. As far as I
know all these airplanes use the same radiator, the Europa is the only
exception I know off... with hilarious results). I had the stock
radiator enlarged for additional capacity to cope with the addition of
the heat of the oil to the coolant due to the heat exchanger. In
hindsight this probably wasn't necessary but I was sick of cooling
problems at that time and wouldn't want to risk yet another failure.
So, I just ordered the stock radiator but with a few extra rows in it,
and had the ports in a slight angle to make hose routing easier, and got
two bleed ports on it for draining and getting the air out. For the rest
it is stock.
I paid 300 Euro's for it. Quality and service is outstanding, so I feel
the radiator is worth its price.
They now have my modified radiator in their database. Just mention my
name (or call-sign) and they will answer all your questions, and should
be able to crank out an exact copy.
The outer dimensions are 41 x 19 (including mounting bosses), the
working surface is 34 x 15. All dimensions are in cm's. If you need more
info just let me know.
Frans
| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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kheindl(at)msn.com
Guest
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| Posted: Fri Oct 05, 2012 11:18 am Post subject: [Spam] New to List |
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Frans,
Thank you for that. I am going to order one. It is actually a lot cheaper than the direct replacement.
I had to make a forced landing on a rolling farm field. Amongst other things it destroyed the central rear part of the cowling, bent the two radiators and the aluminium duct. So this is a good time to make similar changes to what you had done.
Karl
| Quote: | Date: Fri, 5 Oct 2012 19:53:42 +0200
From: frans(at)privatepilots.nl
To: europa-list(at)matronics.com
Subject: Re: [Spam] New to List
--> Europa-List message posted by: Frans Veldman <frans(at)privatepilots.nl>
On 10/04/2012 10:18 PM, Karl Heindl wrote:
> Could you give us the details and source of the thin radiator ?
This custom made radiator is made by a Czech company,
www.aluminiumracing.com (see their pictures of Rotax radiators).
This is basically the "standard" Rotax radiator, as recommended by Rotax
and used in practically all commercial applications. (You may not be
aware of this, but Rotax is a very common engine in Europe, many
(commercial) airplanes use this engine. Normally, the Rotax is used with
the factory radiator, which is made by this Czech company. As far as I
know all these airplanes use the same radiator, the Europa is the only
exception I know off... with hilarious results). I had the stock
radiator enlarged for additional capacity to cope with the addition of
the heat of the oil to the coolant due to the heat exchanger. In
hindsight this probably wasn't necessary but I was sick of cooling
problems at that time and wouldn't want to risk yet another failure.
So, I just ordered the stock radiator but with a few extra rows in it,
and had the ports in a slight angle to make hose routing easier, and got
two bleed ports on it for draining and getting the air out. For the rest
it is stock.
I paid 300 Euro's for it. Quality and service is outstanding, so I feel
the radiator is worth its price.
They now have my modified radiator in their database. Just mention my
name (or call-sign) and they will answer all your questions, and should
be able to crank out an exact copy.
The outer dimensions are 41 x 19 (including mounting bosses), the
working surface is 34 x 15. All dimensions are in cm's. If you need more
info just let me know.
<======================
>=====================
|
[quote][b]
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frans(at)privatepilots.nl
Guest
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| Posted: Fri Oct 05, 2012 11:51 am Post subject: [Spam] New to List |
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On 10/05/2012 09:18 PM, Karl Heindl wrote:
| Quote: | Thank you for that. I am going to order one. It is actually a lot
cheaper than the direct replacement.
|
Of course you also need the Laminova heat exchanger.
| Quote: | I had to make a forced landing on a rolling farm field. Amongst other
things it destroyed the central rear part of the cowling, bent the two
radiators and the aluminium duct.
|
I hope you didn't suffer too much other damage? What is a "rolling" farm
field? What was the reason of the forced landing?
| Quote: | So this is a good time to make similar
changes to what you had done.
|
Guess it is. If you really want to copy what I have done, you probably
need more information. Feel free to contact me off list if you want to.
Frans
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