An Electric Rotary
by Quorneng
(Cheshire)
Many WW1 types used a rotary engine. In most cases it was quite visible so I think it is a significant part of a scale model.
Now an outrunner is in effect a rotary and can turn quite a large prop in relation to its diameter.
My idea was to scale an engine so that the bell of the outrunner was the same size as the crankcase of a scale 9 cylinder rotary.
To keep the mass of the rotating parts to a minimum this scale Gnome Monosoupape is all made from Depron. It weighs just 2gm!
This video shows it running on a 2s LiPo.
All i have to do now is to build a plane for it to go in!
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