From: Bjorn Brandstedt (super_deuce@hotmail.com)
Date: Thu Aug 11 2005 - 03:35:17 PDT
Thanks for those kind comments, John!
Don't know if it was made clear, but the M756 pipeline truck rear winch is
the same as the 5-ton front winch (M54), but with a chain drive. It's set up
for 5/8 wire rope.
Bjorn
MVPA19212
The Blue Ridge Mountains of Virginia
>From: movnmanj1@aol.com
>To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
>Subject: Re: [MV] Winch lines, electric winches,etc.
>Date: Wed, 10 Aug 2005 22:09:13 -0400
>
>Hello list,
> I normally sit on the sidelines and just read all of the
>contributions of knowledge that appears on this forum, and have learned a
>lot and solved some problems. Thanks to Bjorn, Kenny and John Tennis and
>others that I can't recall at the moment. But, what brings me out is this
>"winch line" discussion. First of all, the Warn winch test involved a
>"recreational" winch, not an "industrial" winch. I have a fair amount of
>experience with electric winches, used them in moving portable buildings,
>for quite a few years. And no, the "recreational" winches will not hold up
>to prolonged use, but an "industrial" winch can be run under a load for a
>lot longer than 3 minutes. As to this synthetic rope/winch line, I am
>reasonably certain that it is one of those "new age wonders" that works
>well as long as it is used in a "perfect" situation. What works in ALL
>cases is a "hemp center" wire rope. The rope center absorbs oil, and as
>the line tightens, you can't see it, but the INDIVIDUAL wires move
>INDEPENDENTLY in a longitudinal direction and tighten up against the rope
>center, thereby squeezing the oil out which lubricates the wires. The
>drawback to this wire rope is maintenance ---- cleaning and llubrication.
>As to the Warn test, I rather imagine that the winch came with "aircraft
>cable" which has NO lubrication or rope center, but stays pretty clean.
>(For those guys that don't want to get their hands dirty, I guess). If you
>watch your winch line, the majority of the time, you will get a warning in
>the form of one strand will pop, with sparks and begin to curl up off of
>the line. Back off then, and you will probably save a mishap. But, the
>best way is figure your load, resistance and use the proper number of
>blocks ---- and some good ones. Proper shear pins, as it has been pointed
>out can save you, your winch and your line. Kenny mentioned that he might
>just put 5/8's line on his winch, but the drawback is that the larger cable
>will give LESS line pull than the 1/2" and have less footage on the drum.
>While the larger line does give an added safety factor, it reduces the
>effectiveness of the winch. Alright, I believe I'm through ! Now, Bjorn is
>fixing to come out and give us ALL of the specs on EVERYTHING (lol)!
>Seriously, he can really get to the bottom of how things work. He has my
>respect for sure.
>
>Thanks,
>John E. McKinnon
>
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