On Sep 20, 9:06*am, Steve Leonard wrote:
...(as it would go very nicely in an HP-11. *Lots of prop clearance, too!)...

Steve you're probably aware that the HP-11 was originally designed in
1962 or so to have a small engine in the nose. You can see the hazy
outline in the three-view drawing in the original plans set where Dick
erased the propeller. Unfortunately, the idea was way ahead of its
time, and engines of the right size with the requisite horsepower did
not appear for another thirty years or so and electric power was just
a gleam in Tom Swift's eye.

But, yeah, your primary point is well taken. With both the battery and
the motor in the fuselage it is a concern that the maximum non-lifting
weight dictated by wing bending moment could be exceeded. Most
European gliders come from the factory with that value specified. For
other gliders a bit of engineering might be required to come up with a
reasonable value based on the maximum gross weight and the specified
or intended weight of the wing panels.

Thanks, Bob K.