Did everybody get 4 copies of the coupling IGES drawing? If so I am
 sorry but it was not me.

 That may have been done by Earthlink They are having a bit of trouble
 with their email.

 Kevin did you get it?

 Paul Lamar

 Hi Paul, I got the coupling IGES Dave Macandless  in Perth

 Just one copy Dave? Earthlink sent me four.

 Paul Lamar

 I have a copy. I need to print this stuff out and take it to Shaun,
 the company is called Tangent in Smyrna TN. I will let you know next
 week.

 Kevin Alderman

 Are you in Tennessee know Kevin?


 Here are some pictures of the welded steel version.

 It needs to be improved.

 Paul Lamar

 The auto flex plate with the pressed and tack welded ring gear has
 been known to fly apart if the assembly starts to resonate, the flex
 plate had the torque converter bolted to the periphery of the
 flywheel this helped to negate the problem of resonance, the pressed
 plate is only 2mm thick, very light but has caused serious damage to
 an aircraft here in NZ.

Andrew Campbell

Yes I know about that.
That prompted us to design this coupling.

This design does not relay on the flex plate.
The flex plate's  only function is to start the engine.
With this design the coupling is bolted directly to the rear counter weight
with six 10 mm socket head screws. Very solid and a direct connection to
the e-shaft.

Tracy bolted his to the flex plate and that failed the flex plate in several airplanes.
Here is the result.

Paul Lamar.

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