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Plane rating 2: JN 4 sport scale from Flying Models plans. Top wing 71", bottom 56", flying weight 6 1/2 lbs. Power system: AF 15G w/superbox, 14 cells, MA 13/8 e prop, Ace Smart Throttle, 3 Airtronics 131 servos. Covering: Micafilm. Wheels home made per the MAN article. This aircraft is perfectly balanced! It flies like a Jenny. The takeoff run was about 100 feet in grass. She lifted off almost majestically and then that big slow turning prop hauled it around to the left, but it responded fine. Climb out took time. Just like a Jenny. There was little perceptible difference between full throttle and half, so I flew at half except for maneuvers. Stalls are a series of gentle porpoises. Loops require a dive and end in a flop. Just like a Jenny. Rolls are very unscale-like, if you add rudder to the ailerons. Landings are rock solid and gentle, but almost always with a bounce, just like a Jenny. I have no meaningful flight times as I was extra careful to keep some power on hand. FOUR STARS! **** I followed the plans except for the plywood doubler at the wing saddle and a different bottom wing-landing gear attachment. "BITSA" on the fin is a motorcycling term for a bike that's made up from bits 'a this bike and bits 'a that bike. The JN-4 was 90% built from material saved in other wet to epower conversions. Does anyone know what has happened to AI/ROBOTICS? The number I have (909-369-9693) is disconnected and no new one is given. The switch on my FX-35D has died and I either need a new one or someone who can install a substitute.
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