3/4 scale model propeller size

by Bob Wiesenauer
(Dunedin, FL, USA)

I have plans to build 29" land/sea park flyer which I want to build in 3/4 scale.

The 29" plan calls for 1400 kv motor with a 7/5 or 7/6 prop.

Because the motor is externally mounted on the vertical tail a 3/4 reduction won't allow a 7" prop.

I am thinking of using a 5/3 six bladed prop. Will this work?

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