From: Duane Burris (zburris@qwest.net)
Date: Wed Oct 30 2002 - 10:07:58 PST
A line doubled around a pulley and back to the pulling vehicle doubles
the pulling force. See
http://chaos.ph.utexas.edu/~mlane/303K/pulley.html -- the "change the
magnitude" illustration applies.
John Souza wrote:
>If memory servers me correct you have to get to a "three part line"
>before you are actually doubling the pulling power. Just merely running
>the cable back the the winch, "two part line", only cuts the line speed
>in half and does nothing for the pulling power. If you run the line
>back to the winch and then back to the load this is a "three part line"
>then you double the power.
>
>John Sozua
>MVPA #2697
>Fresno, CA
>
>
>
>
>
>>>>"Jon Shoop" <shoop19@brick.net> 10/29/02 19:57 PM >>>
>>>>
>>>>
>You bet.......double the cable of course.......then you get 20K of
>pulling
>power....double again.....40K.........
>
>It will pull nicely......just make sure cable is in good condition and
>the
>snatch blocks you use are excellent as well.
>
>Jon
>----- Original Message -----
>From: "Combat" <hellcat@provide.net>
>To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
>Sent: Tuesday, October 29, 2002 7:32 PM
>Subject: [MV] M35 winching ....
>
>
>
>
>>A couple "basic" questions....
>>
>>We know that the military uses a different method (read conservative)
>>
>>
>for
>
>
>>rating "loads", and I remember the recent discussions about the towing
>>capacity theoretical vs. rated vs. real world...... how about the
>>
>>
>10,000
>#
>
>
>>winch capabilities?
>>
>>In other words if i stick this thing will the winch pull it out
>>
>>
>(10,000
>vs
>
>
>>13000+ if stuck) ?
>>
>>What are the shear pins rated for?
>>
>>Oh and what was the consensus on winch lube? (that debate got heated
>>
>>
>if i
>
>
>>remember)
>>
>>thanks
>>
>>
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>>
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>>
>>
>>
>
>
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>
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