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Old Jun 15, 2010, 06:21 PM
kenelder is offline
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USA, FL, St Petersburg
Joined Dec 2003
1,089 Posts
I haven't built mine yet (no time) but I did want to share my experience launching a fast 400 size older pylon design just in case it might help anyone. I currently fly a Triffik with a rather overpowered setup (about the same size as the rifle). I have discovered (several repairs and new fuselages later) that its impossible for me or any helpers to hand launch it at full throttle. The torque at full throttle and low roll rate at low airspeed just don't work together.

I usually launch it or have a helper launch it at about 30 deg upward angle and half throttle. Less than half throttle results in a "lawn dart" launch and a new fuselage. Too much throttle results in a hard left roll and its a race to see if the airspeed gets fast enough the ailerons work before it rolls in (usually fuselage repairs).

The control movements on my Triffik are so small that it is basically a projectile with little control until the airspeed builds up. I'd say takeoff is the most exciting part of the flight, after that the high speed is smooth and somewhat calming!

I anticipate the same thing with the rifle when I finally get it done.

Hope this info helps everyone!
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