Perry Mick wrote:

Ed:

Here are the plots of LAEV set to about the same blade angle at the tip
as your current prop.  Obviously you will need more HP, looks like you
might want to wait for the pitch control governor in order to turn it up
to sufficient rpm (less pitch) at static and low speed. Looks like you
might be in the 1900-2000RPM range for climbout at 70 knots with this
"fixed pitch" setting. You can see the blade chord is much larger than
your prop.

Butch:  Even though Ed may not get to fly LAEV as soon as he wants, I'm
continuing with this analysis because he probably will be the first one
to fly it when it is ready.

--
Perry Mick
Custom Composite Props
mick@bridgingworlds.com
http://www.ductedfan.com

Thanks Perry!

    Got the three sets of data.  I will take a care look at them and get
back to you if I have any questions.  Just got back from my first flight
with Tracy's RD-1B gear box. Much smoother than my Ross drive.  A real sweet
spot at 5000 rpm with no vibration at all.

 Ed Anderson

The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/            
Copyright 1998-2002 All world wide rights reserved.