Europa-List: Warp Drive blades

[Graham Singleton <graham@gflight.f9.co.uk>]

>  Hi All,
>In theory, yes, in practice, no.
>On my F2A  control line speed model, I have a ONE BLADE prop, with a lead 
>counter
>balance held captive in a steel housing, on a good day that runs at 39,000
>RPM.............
>Cheers,
>Nev.

Unfortunately it will be impossible to balance out the yaw induced by the 
blade. Won't matter at 39,000 but at a more efficient 1800 rpm the 
vibration would be awful.
Even two blade props can't be balanced for the yaw, it has to be three or 
more.
Graham