REFLECTOR: speed

Dave Philipsen velocity at davebiz.com
Fri May 1 23:43:17 CDT 2009


Lou Stedman wrote:
> I have been going over my VEL to try and pick up some more cruise 
> speed. I have cleaned up the cowl and I am putting on wheel pants. I 
> have never been happy with the performance of 44Q. I have a IO-360, 
> 180 HP, with a Catto three blade prop. My static is not what I would 
> like, 2250 at takeoff power and the best I can get a WOT is about 
> 2550. At one time I flew with a two blade Catto and got better static 
> but lost it in cruise. I sent my prop back to Catto and he removed 
> some of the pitch but I have not seen much difference. One thing I 
> have noticed is that when I am flying solo and the aircraft is trimmed 
> for level flight, my elevator is down about 3/4". That must be causing 
> drag but I don't know what to do to correct. Any suggestions?
>  
> Lou Stedman
> Velocity N7044Q
> Olean, NY
Just out of curiosity, how fast is your cruise at, say, 8000 feet?  How 
far down do you trim the elevator for takeoff?  My elevator is usually 
pretty close to flush when in cruise (within 1/8-inch).    How much 
runway do you need for takeoff?


Dave Philipsen
Velocity STD-FG
N83DP
 


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