Interesting new (to me) valve technology
geo3@earthlink.net
geo3@earthlink.net
Thu, 1 Aug 2002 13:12:54 -0500
BiH wrote:
>It's piston size and stroke more than valve design that determines redline.
Is that right? I always thought valvetrain harmonics were more of an
issue. The only reason we have 18,000 rpm F1 car engines is because of the
pneumatic valves.
>"Lead-free gasoline requires the use of long-stroke, relatively low
>compression engines in order to function properly without fuel additives."
It truly is amazing what some people will claim. Perhaps they sell the
Tornado as well.
>A rotary valve system has been used for years on Rotax-powered dirtbikes
>and snowmobiles, but that engine is two-stroke.
Yep. Lots o' kart racing engines as well.
And now for something completely different.....
Check this out.... rotary or barrell valve throttle bodies. :-)
http://www.jmengines.com/throttle.htm
George Roffe