On 2/23/2013 12:49 AM, GM wrote:
.. [winch] ...climb angles of 40deg+, .......

I used to say that too... and then I did the math. It's only your *deck
angle*, with respect to the horizon that is 40+ degrees. Assuming that
your launch height is about 1/3 of your cable length, that comes out to
an average climb angle of about 19 degrees, unfortunately.

Tony