in line "differential" info needed
Thread Starter
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More Turbo
Joined: Dec 1999
Posts: 582
Likes: 5
From: New Orleans United States
in line "differential" info needed
I have a 77 F150 4X4 with the NP205 T'case.
I remember reading in Four Wheeler a few years ago about a nice toy that get mounted off of the front output of the transfer case and connects to a shortened front drive shaft. It's purpose is to allow slippage between the front and rear wheels with a gear drive t'case.
From what I remember, it forced 30 million viscosity silicon rubber into irregular shaped chambers to allow as much power to be transfered as possible to a 50/50 split, but let things move independently at different speeds when needed.
Any info on this would be greatly appreciated.
I remember reading in Four Wheeler a few years ago about a nice toy that get mounted off of the front output of the transfer case and connects to a shortened front drive shaft. It's purpose is to allow slippage between the front and rear wheels with a gear drive t'case.
From what I remember, it forced 30 million viscosity silicon rubber into irregular shaped chambers to allow as much power to be transfered as possible to a 50/50 split, but let things move independently at different speeds when needed.
Any info on this would be greatly appreciated.
Posting Legend
Joined: Sep 2001
Posts: 30,255
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in line "differential" info needed
Have you tried asking for a reprint of the article?
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Senior User
Joined: Apr 2002
Posts: 406
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From: cedar rapids usa
in line "differential" info needed
[updated:LAST EDITED ON 10-Dec-02 AT 03:46 AM (EST)]What this guy did was re-invent what is known as the fluid clutch. These were first used on the early automatics of the 30s and 40s before the torque converter was invented. As you seen in the article the fluid clutch is a relatively small unit when compared to a torque converter. They also perform the same function, but in a way that is mechanically, exactly the opposite of each other.
A torque converter uses engine rpm to toss hydraulic fluid against opposing vanes in the stator. When the pressure overcomes the resistance, and turns the input shaft on the transmission, your truck starts to move. With a fluid clutch the resistance, in this case the million viscosity of the silicone fluid, is already there. This keeps the connection until there is too much resistance, for example the brakes are locked up, then the connection is broken.
A torque converter uses engine rpm to toss hydraulic fluid against opposing vanes in the stator. When the pressure overcomes the resistance, and turns the input shaft on the transmission, your truck starts to move. With a fluid clutch the resistance, in this case the million viscosity of the silicone fluid, is already there. This keeps the connection until there is too much resistance, for example the brakes are locked up, then the connection is broken.
Thread Starter
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More Turbo
Joined: Dec 1999
Posts: 582
Likes: 5
From: New Orleans United States
in line "differential" info needed
I have since found out that the piece i am looking for was made by mile marker and has been discontinued. Looks like its time for ebay.
