Sachs 4.2 need plane for this engine
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Sachs 4.2 need plane for this engine
80 to 96" wingspan. 21lbs and under, ready to fly. 3-D flight would have to be less than 20lbs. That should give you a starting point to work with. Start with props in the 22 inch range and branch out from there.
It should be noted that the specs given are for aerobatic types of aircraft. Cubs, T-Craft and other large floater types could be much larger, and heavier.
It should be noted that the specs given are for aerobatic types of aircraft. Cubs, T-Craft and other large floater types could be much larger, and heavier.