Re: 5 blade cooling fan mod

[eyvind.spangen@ha-nett.no (Eyvind Spangen)]

On Sat, 8 Aug 1998 14:00:04 -0400, you wrote:


>Aircraft (gas/piston) engines are pretty much designed (well,
>"optimized") to run a one particular RPM (a fairly narrow RPM range --
>kinda like a TURBO F1 engine...) and don't do particularly well at
>lower speeds. By using a varible-pitch propellor, you can run the
>engine at its designed operating speed, varying the actual
>power-delivery by varying the bite (pitch) of the prop -- kinda like
>a CVT...

And like some tractors. Just place the throttle at about 2000 rpm,
change speed by using the gears.

ES