Espen's Reed Valves

[rr]

Yeah, and them' thar' yaamies' go like stink <g> too...

BobR.

who ain't get'n rid of his.


Bruce wrote:
>What application is folks talking about?.
>F1 or motorcycles?.
>Big Problem with the reeds is do to inertia the basiclly stay open at more
>than 2,000 rpm, in say a Yamahahah 350 2 stroke motorcycle.  They will stop
>reversion at low speed but not at higher speeds
>Bruce

> >  > >>
> > We tried this on some race bikes years ago. Reeds reduced the airflow
and
> > added length to the inlet tract that changed the tuned length. If it
bore
> any
> > real use, the F1 guys would be all over it.
> > Fred
> The F1 guys dont cruise their cars do they?Torque at 2000rpm is not an
isue
> for F1 guys.
> Reeds could be bypassed at high rpm.I dont have any proof that a good
> engineered reed setup would work great I just belive it, when Im thinking
> about it a two walve engine with high mass valve train would bennefit the
> most ,
> because of the small dynamic range of system.If you are conserned of reed
> reduction of airflow, think what a regular valve is doing at high rpms.
> Espen