Composite-ARF IMPACT
Jim Ivey
jivey61 at bellsouth.net
Sun Mar 27 17:24:39 AKST 2005
Eric
I have heard that sound from a lot of IMAC planes and never knew where it came from. Now I know where it comes from and what it is called "pterodactyl screech".
I am enlightened.
Jim Ivey
> > From: "Grow Pattern" <pattern4u at comcast.net>
> Date: 2005/03/27 Sun PM 06:46:02 EST
> To: <discussion at nsrca.org>
> Subject: Composite-ARF IMPACT
>
> Yesterday was good enough for testing pattern planes in southern NJ.
>
> I am pleased to report that if you have not yet flown your new IMPACT you
> should be pleasantly surprised.
>
> I was delighted with mine from the moment it left the ground. It took a
> while to program the OS mixture carb due to the cooler temperatures and a
> new liner and piston/ring.
>
> After the first flight the only mix that I could see that will be needed
> will be a tiny bit of roll correction in one direction. After a
> length-of-the-field knife-edge KE test you could get about 1/4 of a roll in
> the opposite direction to the right rudder input. There was no elevator trim
> required at all.
>
> Thanks to a first class incidence-setting job by George Asteris the plane
> flew great from the outset. Some planes just feel right as they leave the
> ground. This is one of them. Thanks to all of the throw-setting advice in
> the thread there was no real need to change anything. Spins were solid with
> rudder and elevator only, The 2-turn reverse was as good as the pilot's
> timing.
>
> Because it is an IMPACT with top ailerons it has the signature Pterodactyl
> "screech!" when you snap. You just add your own "whooping!"....
>
> Regards,
>
> Eric.
>
>
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