2 Cylinder AC VW Motor?

Dale M. · Posted: Sat Mar 24, 2012 8:57 am Post subject: 2 Cylinder AC VW Motor?

2 cylinder AC VW motor???

http://www.oocities.org/scottjjohnson2000/enginelog/logindex.html

Think a few may get a giggle out of this....

Dale
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orangesuper · Posted: Sat Mar 24, 2012 9:02 am Post subject:

These turn up on eBay every once in a while there is (or was) a crowd of ultralight airplane guys that would do variations this mod for a (relatively) cheap alternative to airplane specific motors. I always thought this would be a cool engine for a vw powered motorcycle although you would likely have to do a ton of preformance mods to make enough hp for it to be much fun on a bike.

Mal evolent · Posted: Sat Mar 24, 2012 9:24 am Post subject:

used in the Legal Eagle:

http://www.betterhalfvw.com/

http://www.betterhalfvw.com/engine.htm

four cylinder VWs are not noted for homesick angel performance at sea level with <200 pound pilots. Put my 335 pounds in half VW on a 4600 foot elevation airfield, and you get Nothing Happening.
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slalombuggy · Posted: Sat Mar 24, 2012 9:45 am Post subject:

We had a few at the ACVW shop I worked at. One guy built half an 1835 a couple others were half 1914s. Also hada few 4cyl airplne motors with twin plug conversions. Cool stuff.

brad

clonebug · Posted: Sat Mar 24, 2012 9:45 am Post subject:

I have a set of plans for the half VW engine that i bought in the mid eighties when I was heavy into the ultralight and experimental airplane scene.
My plan actually cuts the case in half too so you don't have to plug the holes.

It's pretty cool but you need to do a bit of machining in order for it to work out nicely.
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skabonner · Posted: Sat Mar 24, 2012 10:47 am Post subject:

Even cooler, a while back I saw a video of some guys in brazil who were welding cases together to make 6 and 8 cylinder engines. Shocked

But I couldn't find any other info, other than a grainy video of one of the engines idling. Sad

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Joel Mohr · Posted: Sat Mar 24, 2012 2:07 pm Post subject:

COOL STUFF!
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JustBuggy · Posted: Sun Mar 25, 2012 12:07 am Post subject:

Multi69s · Posted: Sun Mar 25, 2012 12:47 am Post subject:

Unless they are doing something I didn't see, I suspect that emgine life is short. The thrust bearing is going to be put under one hell of a load. It was never intended to actually be put under a load (prop wash). I have seen other designs where a tarnsfer case was mounted to the case to handle this load though.

Still, the project looks cool and retro
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Boolean · Posted: Sun Mar 25, 2012 4:27 am Post subject:

I think they extend the crank and put a special prop bearing where the pulley was before. Thrust loads are taken there.
*edit* Can't see it clearly in the photo though... I know this is done on the full VW conversions.

mondshine · Posted: Sun Mar 25, 2012 1:00 pm Post subject:

Lots of interesting stuff out there....

Image may have been reduced in size. Click image to view fullscreen.

markhuebbe · Posted: Tue Mar 27, 2012 6:43 am Post subject:

torsionbar · Posted: Tue Mar 27, 2012 8:08 am Post subject:

looks like suicide to me. you won't get me into any airplane powered by one of those things! a lycoming, sure, but not a hacked up beetle motor.
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Michael Fischer · Posted: Tue Mar 27, 2012 8:41 am Post subject: Re: 2 Cylinder AC VW Motor?

markhuebbe · Posted: Tue Mar 27, 2012 8:45 am Post subject:

wompninja · Posted: Tue Mar 27, 2012 8:46 am Post subject:

I don't get the point, wouldn't this just make the engine run a lot rougher than it already is?
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Michael Fischer · Posted: Tue Mar 27, 2012 8:47 am Post subject:

wompninja · Posted: Tue Mar 27, 2012 8:49 am Post subject:

Yeah, I don't buy it. If you are so worried about mileage and you want a two cylinder engine why not use a v-twin out of a Honda motorcycle?
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wompninja · Posted: Tue Mar 27, 2012 8:50 am Post subject:

Not to mention cutting the already too small 40hp in half... good luck driving that on the road.
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Michael Fischer · Posted: Tue Mar 27, 2012 8:58 am Post subject:

So you have tried it?

Or you are just rich and don't care? Laughing


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