I updated my website http://www.ductedfan.com
Added a link for VTOL canard, that shows my earlier concept, and
yours, and a link to your page.
I'm going to see if I can find an x-plane model of a tail-sitter that
can be modified into something more like what you came up with.

I ran some simulations on a 12 foot 4-blade (2 one way, 2 the other
way) propeller operating at 1200 RPM

pitch    HP   static thrust
50      233   1864 at sea level
55       275   2090 at sea level
60      320   2320 at sea level
60      240   1712 at 10,000 feet

Assumes a two seater with gross weight around 2000 lbs.

Looks like we might need more installed HP to make sure we can always
have more than 1:1 thrust to weight under all conditions, including
takeoff from 10,000 feet. Not a problem with turbo charging. I'm thinking
no installed conventional landing gear to save weight, no wheels at all.
If the engine fails you can use helicopter mode to slow the descent. If
for some reason that doesn't work, as in loss of control of the rotor
blades, you can blow a chute out the back and come down "upside down".

Perry Mick

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