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From: jlw@ariel.UUCP (J.WOOD)
Newsgroups: net.auto
Subject: Re: Wrong!!
Message-ID: <852@ariel.UUCP>
Date: Sat, 16-Feb-85 10:40:21 EST
Article-I.D.: ariel.852
Posted: Sat Feb 16 10:40:21 1985
Date-Received: Mon, 18-Feb-85 04:37:48 EST
References: <617@topaz.ARPA> <289@mhuxj.UUCP>
Organization: AT&T-ISL, Holmdel, NJ
Lines: 14

The military 2 1/2 ton truck or 6x6 has a sprag unit between
the always driven quad rear wheels and the fronts.  The gearing
is selected such that the front wheels are driven only when the
rears lose traction and start spinning faster than the fronts.
This causes the sprag to lock up and the front axle to engage.



					Joseph L. Wood, III
					AT&T Information Systems
					Laboratories, Holmdel
					(201) 834-3759
					ariel!jlw