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Here are the recommended control throws. If you have a radio with exponential, I recommend
at least -70% exponential on all surfaces. Start on the mild setting. When measuring control
throws, measure at the tip of the elevon at its widest point.
Elevator: 1/4" up, 1/4" down
Aileron: 1/4" up, 1/4" down
The center of gravity is located 4 3/4" back from the nose. Just move the battery back and
forth until you find the right C.G. (You may have to add a slight amount of weight to the nose if
you use 2, 2-cell 1200 ETEC LiPolys
Make sure that your control surfaces move in the right directions. When you give up both
elevons should go up. When you give right, the right elevon goes up and the left elevon goes
down. You will need to have a slight amount of UP elevator dialed in. This is called reflex. All
wings need a certain amount of reflex to fly. Make sure the rubber prop adapter doesn't touch
the motor. To launch the wing grasp the back of the wing in the center and toss, then start the
motor after it leaves your hand. There is no need to give it full throttle as it will fly at 1/4
throttle. Trim it for level flight. LIGHTLY oil the motor at both bushings after every 2 hours or
so of flight. This will extend the motor life.
The Mini Twin 250 has a very wide flight envelope. It can fly as fast as 70 m.p.h. or it can slow
down and just cruise around. It is very acrobatic also, able to do consecutive loops and about
6 barrel rolls per second with the "wild" control throws. It has unlimited vertical using 2s2p
1200 ETECS. It can even thermal pretty well. Yet it will still slow down for an easy hand
catch. If you set up the rudder control, you will be able to do many maneuvers like hammer
head stalls. It is also able to do a type of flat spin that is exclusive to this wing. I hope you
enjoy your new Mini Twin 250.
If you have any questions, e-mail me at:
Thanks again for your purchase. We appreciate it!
Control Throws
Mild
Center of Gravity
First Flight
Flight Performance
acer@speedwing.net
Wild
Elevator: 3/8" up, 3/8" down
Elevator: 3/8" up, 3/8" down
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