I call this traction propulsion. This consist of two large diameter
tubular rotating carbon fiber spars driving a thin rubber belt
with a lot of long thin aluminum hat section cleats attached.

It becomes 100% efficient at high speeds and skin friction drag
on the lower wing skin is eliminated. Normal flaps and ailerons
are used. The propeller and PSRU are eliminated.

The 13B turbo rotary engine transversely  buried in the fuselage
drives both rotating spars with a long cog belt.

I am setting up a web site and I am looking for investors.

Paul Lamar

Hey that looks great.  Count me in.  I'll send a million or so (just as
soon as I win the lottery).

Bob White

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http://www.bob-white.com
N93BD - Rotary Powered BD-4

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