"Charles D. Airesman Jr." wrote:

Hi Paul

Sorry I have not gotten back to you. I have been very busy with work and
have been out of town.

They are not rivets. They are 10-32 SS screws floxod in place and  they are
only a back up. the carbon is wound over flats. The aluminum parts were sand
blasted and treated with a prep. There was a ply of thin glass put on first
to stop corrosion. The epoxy was high temp cured to 300 degrees F. The
aluminum shaft Dia is 3" .125 wall and takes the bending loads the carbon
makes it stiff in torsion. The shaft with ends weighs 4 Lbs.

I have 32 hours on the plane now with no problems. almost all of the flying
is over 200 MPH burning about 4 GPH.

The takeoff still stinks. I have been trying to modify the prop but only
have gotten a small improvement. It is still not as quite as I would like. I
have been doing some testing and have found some separated air on the lower
cowl. I hope that it is the source of some noise. It is much smother than
the aircraft engine but no quieter.

Thanks for all of the support It helps to keep me motivated to get all of
the bugs worked out.

Charlie

 
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