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V.W.conversion

 
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frank.goodnight(at)att.ne
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PostPosted: Wed Apr 08, 2009 1:54 pm    Post subject: V.W.conversion Reply with quote

Anyone have an idea wich would be the more satisfying , Great plains ,
Revmaster, or some other?
Frank Goodnight
Firestar 2
On Apr 8, 2009, at 4:38 PM, Thom Riddle wrote:

Quote:


I don't know where I got the "typical draw while cranking the 912ul
is about 75 amps." from but it was way off for our 912UL per testing
this morning.

Using clamp on ammeter I got ~13 amps current during cranking our
912UL at about 45-50F OAT.

I hope this figure helps with at least a ballpark guestimate.

--------
Thom Riddle
Buffalo, NY
http://riddletr.googlepages.com/sportpilot-cfi
http://riddletr.googlepages.com/a%26pmechanix

A complex system that works is invariably found to have evolved from
a simple system that works.
- John Gaule


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http://forums.matronics.com/viewtopic.php?p 38378#238378




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NeilsenRM(at)comcast.net
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PostPosted: Wed Apr 08, 2009 7:02 pm    Post subject: V.W.conversion Reply with quote

Frank

"Most satisfying" ??

You get the most thrust by no small margin with a reduction drive VW engine.
Revmaster, Happy(sp), AreoVee, and GP direct drive engines will not except
the Valley redrive so they would not be very "satisfying".

Great Plains redrive engines and properly built big dune buggy engines will
except the Valley redrive. They give very "satisfying" thrust in Kolb
airplanes.

A big dune buggy engine built super strong with a mild cam and valve springs
and a few aircraft conversion parts would be less expensive and still be
powerful and reliable so that would be and is very "satisfying" for me.

There are some gear reduction drives that may be suitable for VWs that might
fit work on direct drive VW aircraft conversion engines but????

Rick Neilsen
Redrive VW powered MKIIIC

---


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ulflyer(at)verizon.net
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PostPosted: Wed Apr 08, 2009 8:08 pm    Post subject: V.W.conversion Reply with quote

See Valley Engineering - not sure if they offer full VW engine but
they have a nice redrive for the VW engine - the difference of engine
with one is quite noticeable if you seen a before the redrive and
then after. Wow!
jerb

At 04:53 PM 4/8/2009, you wrote:
Quote:


Anyone have an idea wich would be the more satisfying , Great plains ,
Revmaster, or some other?
Frank Goodnight
Firestar 2
On Apr 8, 2009, at 4:38 PM, Thom Riddle wrote:

>
>
>I don't know where I got the "typical draw while cranking the 912ul
>is about 75 amps." from but it was way off for our 912UL per testing
>this morning.
>
>Using clamp on ammeter I got ~13 amps current during cranking our
>912UL at about 45-50F OAT.
>
>I hope this figure helps with at least a ballpark guestimate.
>
>--------
>Thom Riddle
>Buffalo, NY
>http://riddletr.googlepages.com/sportpilot-cfi
>http://riddletr.googlepages.com/a%26pmechanix
>
>A complex system that works is invariably found to have evolved from
>a simple system that works.
> - John Gaule
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p 38378#238378
>



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Rick Lewis



Joined: 03 Jul 2007
Posts: 122
Location: Kingston, Tn.

PostPosted: Sat Apr 11, 2009 7:23 am    Post subject: Re: V.W.conversion Reply with quote

The engine Great Plains offers is probably the way to go. The owner, Steve, has a good background on these engines and can offer most anything you'll need to make the engine perform. He is also presently working on his own version of the water cooled heads. Attached is a picture of my engine that I'm fitting up on my MXIII. The re-drive is a must for good performance and is well made. It cost around $1600.00. You will engine up with a good engine that should perform on your Kolb at only 1/3 the price of a Rotax, especially if you go with the water cooled heads.

Rick Lewis


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frank.goodnight(at)att.ne
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PostPosted: Sat Apr 11, 2009 8:31 am    Post subject: V.W.conversion Reply with quote

Hi Rick.
good pictures . Who makes your redrive? Thanks for answering my
question.

Frank Goodnight
Firestar2
HKS power

On Apr 11, 2009, at 10:23 AM, Rick Lewis wrote:

Quote:


The engine Great Plains offers is probably the way to go. The
owner, Steve, has a good background on these engines and can offer
most anything you'll need to make the engine perform. He is also
presently working on his own version of the water cooled heads.
Attached is a picture of my engine that I'm fitting up on my MXIII.
The re-drive is a must for good performance and is well made. It
cost around $1600.00. You will engine up with a good engine that
should perform on your Kolb at only 1/3 the price of a Rotax,
especially if you go with the water cooled heads.

Rick Lewis


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http://forums.matronics.com/viewtopic.php?p 38708#238708


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NeilsenRM(at)comcast.net
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PostPosted: Sat Apr 11, 2009 12:42 pm    Post subject: V.W.conversion Reply with quote

Rick

That is good news on the GP water-cooled heads. Do you have any details? Are
they like yours?

Do not archive

Rick Neilsen
Redrive VW powered MKIIIC

---


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