Did the Motorcycle engine have butterflies in the carbs, or at the

housings?

Lynn E. Hanover

Paul Carey wrote:

Lynn
The motorcycle had butterflies at the carbs. It is essential to have the
butterflies at the housing.
Paul

Paul Carey LAME, MC
Aero Management - aviation consultants.
www.aeromanagement.com.au
(08) 9371 5205  0418 959 892

Paul,

any guess why the "butterflies at the carbs" worked fine on the motorcycle,
but had to be moved to the ports on the aircraft setup?

Thomas J.

You got me. I have driven a two rotor NSU RO80 in 1999 in Germany with P-ports and 
long runners with the butterflies in the carb and I could notice no problems 
at all. The engine pulled from low RPM fine. It did however have two stage 
p-ports and carb as in these pictures. A small one for low power and a larger one
for higher powers. The one rotor Spider engine had the same p-porting.

Paul Lamar
 
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