Rolled in a coil of hides, wire, fishing line conveniently stored by hanging on a hook. Nail the most simple but not the best option: in plywood or hardboard he did not last long. Much more reliable — a wire hook fixed in the wall a pair of small studs.
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This timer deflects the rudder in 45 with since the start and after 2 minutes of flight puts the model in the parachuting mode deflection of the stabilizer at 45°. For its production...