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Rubber band aeroplane is not flying correctly Answered

Created Rubberband aeroplane ,and glides fine without propeller.But when the propeller is turned ON ,it just lost the balance and its not climbing into height.The propeller is home made.what would be the reason?.please help me.

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rickharris
rickharris

4 years ago

It is too nose heavy Test glide WITH the prop on AND the band in.

It may be that the pitch on the prop is too fine and not developing enough thrust.

It may be that the prop has some down thrust pulling the nose down

It may be the wings are not at the right angle of attack

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seandogue
seandogue

4 years ago

you'll need to rebalance the model by applying a bit of weight to the tail to compensate for the weight of the prop.

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petercd
petercd

4 years ago

With the prop on the plane, it should
balance level on your fingertips under the wings a third of the way back
from the wing leading edge.

If it hangs with the nose down, you made the prop too heavy.