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Old 09-01-2006, 01:00 PM
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Default polish engineering... hey, no laugh!

http://www.new4stroke.com/
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Old 09-01-2006, 01:24 PM
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When I first saw this I thought diesel and steam engines. Looking through the “history” section verified this. Still cool. Will have to read more later but it looks like it would eliminate valve “float.” Didn’t the old “Desmonic” (sic) system do this too with a lot less reciprocating weight? Seems like it would pose additional problems with the pistons-valves sealing as they cross the intake port on one side and exhaust port on the other. But hey, 2 strokes have done that for like ever!

The guys cloths say the idea ain’t new or he desperately needs a different agent! Still cool!
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Old 09-01-2006, 02:37 PM
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Old 09-01-2006, 02:38 PM
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I'm still waiting for electric valves...controlled by a computer cam. electric solenoids that can vary duration and lift. Hmm do ya think there is a patent yet? Did I just blow a Billion dollar idea?
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Old 09-01-2006, 03:06 PM
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Unfortunately, yeah, there are a couple patents on it.

http://patft.uspto.gov/netacgi/nph-P...y=PN%2F4593658

http://patft.uspto.gov/netacgi/nph-P...y=PN%2F5022357

I thought it looked kind of desmodromic, too. But it's also like an opposed engine in some ways, Junker Jumo or Napier Deltic.
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Old 09-01-2006, 03:28 PM
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Quote:
Originally Posted by scott
I'm still waiting for electric valves...controlled by a computer cam. electric solenoids that can vary duration and lift. Hmm do ya think there is a patent yet? Did I just blow a Billion dollar idea?
Bah, electric valves schmalves. You like electric so much, get a 12v golf cart. That's the last thing I need is some defective electronic component from Taiwan that causes pistons to hit valves the whole engine is trashed. No thanks.
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Old 09-01-2006, 04:13 PM
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Mercedes will do it eventually. I mean throttle by wire, brake by wire and soon steering by wire. Why not everything else by wire too?
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Old 09-01-2006, 05:14 PM
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the problem with auto electrictronics today is power...12v ha. ( and china) lets talk about 48 volt systems. internal combustion with a 48v electrical system would rock...and kill a bunch of hack mechanics in the process. computers woul dlike it, electric oil, water pumps, electric ac compressors...amy not electric cam shafts?
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Old 09-01-2006, 06:24 PM
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Quote:
Originally Posted by scott
the problem with auto electrictronics today is power...12v ha. ( and china) lets talk about 48 volt systems. internal combustion with a 48v electrical system would rock...and kill a bunch of hack mechanics in the process. computers woul dlike it, electric oil, water pumps, electric ac compressors...amy not electric cam shafts?
My car has a 500V system, which it uses for the electric motor and AC. The 12V system is used for just about everything else (so it can share parts with other cars). This is not my P-car, for those of you who weren't sure.
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Old 09-01-2006, 07:42 PM
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I don't know , so my contact will enough with Porsche in Weissach too bring forum?. At fnish may trip I I have obtained little car...


But visit was very inspiration...
Regards Andrew
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