Vance W Jaqua wrote:

If you would use a very clean airframe wih a small nose, your cruise and top
speed
would not be too bad. The take off and slow clmb would be the pits. At
small
disc diameters and slow speed [more] blades will not make

up for small diameter.

Vance

Vance, Have you ever done a study on using a near full diameter prop 
that is spun faster by an engine like the rotary with a good high RPM 
potential? I was thinking of something like the UDF studies that were 
done for jets. If I recall they were even looking at a supersonic 
transition blade. I thought this might make a fixed pitch prop possible 
for a wider operating range. Possible? Or was I taking too much cough syrup?
bill Jepson

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