X-Mozilla-Keys:                                                                                 

Oh yeah, almost forgot,  a few comments about the  cooling arrangement- I
choose this arrangement for a few reasons:

 IMHO it's easier to get most of the cooling stuff out of  the cowling than
to try to stuff cooling elements into  the cowling and to try to optimize the
airflow in and then back out of the radiator. The scoop might be more draggy,
but this is offset by the omission of cowl cheeks, and with the use of a
large adjustable outlet flap, the air in and out can be adjusted to flight
conditions. This arrangement is closer to a "big hammer" approach to the
cooling requirements, but I would rather go  for overkill than to overheat
the engine. 

I'd sacrifice the top speed for peace of mind. If this approach
works well, I could always fine tune it and try tune it( smaller scoop
openings, etc.) to reduce drag.

One of the other things that I will initially incorporate is a tilted scoop
opening so that the opening is more perpendicular to the airflow in high
angles of attack i.e. climb.
Brian Trubee
Redmond,Wa

Careful on that tilt Brian. The air could just decide to forget
going in :-) It would look cool however.

Paul Lamar
 
The Aircraft Rotary Engine Newsletter.              Powered by Linux.

http://home.earthlink.net/~rotaryeng/            http://www.linux.org