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2 Stroke Drag Bug (no, not Andrew Foldhazi)

9531 Views 53 Replies 17 Participants Last post by  petevw
2
How about a 2 stroke/type4 engine drag bug
Yes 2 stroke, like your weed eater!



Ever seen it?

http://www.mpsys.ca/Images/Showcase/InHouse/WebAlbums/VW 2 Stroke Beetle/index.htm

http://www.mpsys.ca/MPSv1.htm

Video of the bug
http://mpsys.ca/Video/MPS2StrokeBeetle.wmv

People with too much time on their hands!
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Tom Simon said:
That other thread mentioned the owner/builder had trouble joining <and resulting breaks in joints> between the cast iron cylinder to the intake and exhaust pipes... not unsurmountable issues in my book, Yamaha and Honda figured that out 50 years ago, but tough for the home builder.

If you look at the pics, he used a blower to inject the charge into the combustion chamber, piston port style without using transfer ports or needing to pressurize the crankcase.

I think the old GMC 2-stroke Diesels done the same way, weren't they? (BTW, little known fact that the first 'Jimmy' blowers used on top fuelers of the day came off these old 2-stroke GMC bus engines)

the old 2-stroke detroit diesels had blowers. then added a turbo . turbo to feed the blower.6v71,6v92, 8v92 and 12v92 and so on were all two stroke diesels.
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