Subject: flexplate solution 12 c
From: paul lamar
Date: 11/16/2018, 7:46 AM
To: A10-Me-Earthlink


  12 c

  Paul, Is there a documented solution to replace the flexplate with a more
  substantial unit to avoid disintegration or cracking?

  Thanks Joe Berki


  Well some of people have used a steel flywheel.
  Dave Leonard as I recall.

  The best solution is use the stock plate with a rubber coupling.


  Paul Lamar


  Paul did you get a chance to publish the final CAD drawings and files for the coupling?  I might have missed it if so.

  Thanks.

  Scott Gettings


  We have three designs. Which one do you like.?


  Paul

Which ever one would be the most practical to build in a local machine shop based on the CAD drawings, and also fit into Tracys redrive without other modifications.


Thanks

Scott Gettings

This is the simple-est and easiest to build.
The blue is just a chunk of aluminum bar.

The stock FORD part is cut down a bit on the lathe.


Paul Lamar

Paul
There is some photos of the one i build

JEAN PRUDHOMME


The larger bolt circle diameter of the cantilevered studs would rely on the Ford part.
The Ford part is powdered metal and not thick enough to handle
the cantilevered bending loads the studs would be subject too.

If this  was made out of steel and thick enough it would not fit in
the space available.

On the other hand one could lengthen the Tracy Crook spacers to give more
room which is essentially  what we did with the time to climb record holding aircraft.

Of course you would wind up with more weight. The TTC coupling was also overkill
even for 650 HP.

Paul Lamar

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