Good one David,

Actually the electric motor only runs for seconds, not minutes to get the
glider up to speed.  It cannot contribute anything at speeds above about 30
kts.  It all kool!

On Tue, Apr 21, 2015 at 5:28 PM, DMcD <[email protected]> wrote:

> >>Like the wheel brake when stopping?
>
> Yes, that's it. Same heat, same fires except with the wheel brake, you
> are normally there to enjoy them.  7 kW is a whack of current at most
> safe voltages.
>
>
> >>I call all piston motor glider engines boat anchors.
>
> My great grandfather called them that too… at least the water cooled
> two cylinder two stroke in his Scott. However, they worked OK back in
> 1928 and they're working that way now.
>
> The rotary, why, they sell a 10 hour version don' they! And who of us
> is going to do the claimed 400 hours of most piston or rotary engines.
> One will vibrate to pieces and the other burst into flames  :-)
>
> D
>
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