REFLECTOR: Re: Props

Jim Sower canarder at frontiernet.net
Tue Jun 28 15:06:36 CDT 2005


You could overprop if you're turbo'd and just overboost a little for 
takeoff.  That would buy you a certain amount of normalization at 
altitude depending on how much you wanted to overprop / overboost on 
takeoff.
Or at least it seems that way to me ... Jim S.

HYTEC45 at aol.com wrote:

> In a message dated 6/28/2005 11:48:51 A.M. Pacific Standard Time, 
> c.harbert at comcast.net writes:
>
>     I have a turbo system ready to install which will bring up the static
>     to 2,400 rpm and I'm expecting higher speeds at higher altitudes
>     at below
>     normalized MP which is what Catto designed my prop for. 
>
> If your turning already turning 2700, turbo charging will gain you 
> nothing in cruise regardless of what flight level your at with a fixed 
> pitch unless you want to turn over 2700.  You need a CS prop to 
> channel that extra HP @ alt.  Of course, takeoff and climb will 
> greatly increase even with the fixed pitch.
>  
> TEC
>
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