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Official Freewing JAS 39 Gripen 80mm EDF Jet
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Originally posted by haljennings View PostThis jet is underpowered!!!
My father built a Goldberg cub 78" full wing, put a very tired Thunder Tiger.40 on it (bushing not even ball bearing) with a undersized prop (9x6), it took a 150 feet to take off and tip stalled constantly, flew it twice and declared it a POS. Gave it to me 20 years later, I took the door stop off the front and put a brand new O.S. .75ax on it and you can do almost every 3D stunt with it.
Its easy to overlook something simple. Let these guys help you get the enjoyment you paid for.
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a bad crimp on the battery to esc connection, a 5 year old worn out battery with corrosion in the wires, bad cell, esc going up, radio not transmitting 100% throttle, bad/corroded servo plug or wire, sooo many easily missed things can cause underperforforming its ridiculous to just throw hands in the air.
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Hi I am fairly new to EDF .I have the F 86 Sabre and the Venom ,I have now brought the Gripen after reading the reviews .I need some help with the Cof G .The manual is saying 122mm from the leading edge of the wing and the Cog G mark on the bottom of the wing is exatly that ,but on the web site it said 130mm from the canard root that puts it 10mm to the rear of the Cof G mark on the model .I have put about 33grams (4ozs ) of lead in the rear of the Gripen to achieve the Cof G mark on the model with the 6s 4000 Lipo fully back has far has I can get it .I am totally confused on the Cof G on this model .Needs some help before I attempt to fly it
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