| Former GM Employees [message #105260] |
Sat, 06 November 2010 15:08  |
g.winger
Messages: 792
Registered: February 2008
Location: Warrenton,Missouri
Karma: 0
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Senior Member |
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Spoke to Wally A. today on the phone. Had a Q. for him on if he had figured out the rhymn or reason of the diffrent weights and springs on his governer work. (see photos on the photo web site). We were wondering if anyone was a former employee of GM at any trannsmission assembly plant. Any old Hydramatic retired employees out there?? Know any??? Won't hold it aganst them if they don't own a GMC,,,,thanks,,,PL
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| Re: [GMCnet] Former GM Employees [message #105290 is a reply to message #105260] |
Sat, 06 November 2010 20:44  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Paul,
I can't tell you why the "flyweight" governor in the transmission has
different weights but I can tell you that just about every hydromechanical
propeller control and jet engine fuel control has a flyweight governor in
it. They work in the same way that the one in the transmission works. The
position of the weights changes the position of a pilot in a sleeve which
controls pressures used to regulate propeller or jet engine rpm. In thirty
years as a Hamilton Standard rep I NEVER saw one that had different weights.
In fact IIRC they were matched sets! The first time I read a message stating
that the flyweights were different in the transmission I said "BS" to
myself. Fortunately I did some research before I opened my mouth and sure
enough they were!
Regards,
Rob M.
USAussie
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Paul Leavitt
Sent: Saturday, November 06, 2010 3:09 PM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Former GM Employees
Spoke to Wally A. today on the phone. Had a Q. for him on if he had figured
out the rhymn or reason of the diffrent weights and springs on his governer
work. (see photos on the photo web site). We were wondering if anyone was a
former employee of GM at any trannsmission assembly plant. Any old
Hydramatic retired employees out there?? Know any??? Won't hold it aganst
them if they don't own a GMC,,,,thanks,,,PL
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GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Former GM Employees [message #105326 is a reply to message #105260] |
Sun, 07 November 2010 08:46 |
druber
Messages: 58
Registered: March 2004
Location: Syracuse, IN
Karma: 0
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When I was an engineer at Pontiac in a different lifetime, I shared an
office with Roger Holms who was the HydraMatic 400 (first cousin to our
425's) Development Engineer for Pontiac in the 60's and 70's. A distant
connection at best, but he said the odd combination of weights and springs
allowed them to "shape" the curve of RPM vs. governor pressure to something
other than a straight line, with "knees" in the curve. This gave them
another tool, one of many, to balance shift quality, durability, and timing.
Slept way too many times since then to remember specifics.
Druber
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Paul Leavitt
Sent: Saturday, November 06, 2010 4:09 PM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Former GM Employees
Spoke to Wally A. today on the phone. Had a Q. for him on if he had figured
out the rhymn or reason of the diffrent weights and springs on his governer
work. (see photos on the photo web site). We were wondering if anyone was a
former employee of GM at any trannsmission assembly plant. Any old
Hydramatic retired employees out there?? Know any??? Won't hold it aganst
them if they don't own a GMC,,,,thanks,,,PL
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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