On 29 May 2007 11:40:54 -0700, wrote:

On Apr 12, 2:12 pm, wrote:

...... and the chordwise balance is off. You could pay for dynamic
balancing but it would be off again the next time the prop was apart.

Not exactly true with knurled plates - the advice is to to reinstall
the blades in the same "knurl position" as when taken off.

This brings to mind the "balancing disk" (from http://www.balancemasters.com/ultralights.html
) I have installed. It seems to work. There is notable more vibration
when I take it off. You can see a photo at http://www.abri.com/sq2000/balancer.jpg
(hit reload if you get a permission error) Is anybody else using one
of these?
I had 4 of 'em on my 53 Dodge Coronet wagon. One on each wheel. Never
had a balance problem, but the Kelly's were pretty well balanced to
start with (seldom had to use more than a 1/4 oz weight to ballance a
bias ply first run Kelly.

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