Intake runner sizing..

[Graydon D. Stuckey]

On Thu, 22 Feb 1996, Mark Boxsell wrote:

> >this sounds like a great subject for a project. Let's see, sliding tubes
> >driven by a servo motor linked to rpm sensing... hmmm might work, if only
> >I could work out how to fit all that plumbing under the hood.
> >
> Jim,
>           What do you think Mazda used to win Le Mans (1993 I think). Their
> triple rotor engine had a servo system like you propose. They had a

Just to clear up some trivia here - the year was '91, and the engine was 
a 4 rotor engine.  The intake telescoped about 110mm, and gave them an 
effective torque plateau that was almost 2000rpm wide!

> this I will see if I can find the number. F1 has used this for a while. I
> think you guy's have to read more it's all out there if you look.
>                         regards,
>                                         Mark Boxsell
>                                         MRB Design.

Yep, its out there:-)

Later,								
Graydon D. Stuckey								
graydon at apollo.gmi.edu								
Flint, Michigan   USA
'86 Audi 5000 CS Turbo Quattro, GDS Racing Stage II				
'85 Mazda RX7 GS 12A-leaning-towards-a-13B-soon