Subject: reverse spline plate damper
From: rotaryeng
Date: 5/30/2013, 7:47 AM
To: AAA-rotaryeng



Due to the difficulty of finding replacement ring gears at a
reasonable price for the Mazda auto tx flex plate I suggest we use
the current flex plate and merely tig weld the damper to it. Your
current starter is sure to still fit and work.

I was quoted ring gears $95 each from a company in NZ with $95
shipping by boat. No telling how long that would take.

Mark Steitle brought up the issue of room for a thrust bearing
between Tracy's spline flange (brown in the 3D) and the PSRU adapter
plate. Simple solution. Reverse it.

That gives more than enough room for a thrust bearing.

Here are the 3D's.

Some of the 2nd gen current flex plates have large holes near the
center that weaken them. The solution is tig weld in a plug. The 3rd
gen did away with the holes.

I just bought a 13B auto tyranny flex plate on ebay for $12.
Shipping and handling was $30 :)

Lots on ebay for $50.

Paul Lamar



Hi Paul,
Gotta change email service, google  seems to have blocked the ability to
add  text at the bottom.

I have two 4130 damper plates ready to weld. May be a job for your tig
robot idea applied to a rotary table. I removed the ring gear easily enough
from the original flex plate using a grinder

Also want to get with you to pick up the the megasquirt stuff I left with
you, and also the alum psru housings. Time to get the machining done.

Ed Carver

OK Ed any time.

Paul Lamar


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