Re: Source for a snatch block?


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Posted by Donald F. Blair on Thursday, January 16, 2003 at 9:05AM :

In Reply to: Source for a snatch block? posted by Ron in Indiana on Wednesday, January 15, 2003 at 7:53PM :

I am new to this forum but not new to either PW's, M37's or rigging.

Something to keep in mind when buying rigging and putting it to work. A snatch block doubles the pulling power while at the same time reducing the length of pull by 1/2. An 8,000lb. rated winch working at it's limit will be exerting 16,000 on the block.

Further, let's say you anchor a fairlead to a tree to pull a mis-guided buddies H2 out of the mud with your '58. If you are "snatched" between your truck and the tree and then pulling on the H2 with and extension cable (if my math's correct), you'll be putting 32,000 on the anchor strap
and the block at the fairlead.

The point is this, ratings can quickly escalate well beyond the basic tensile rating of the equipment.

1. NEVER stand in the bight of the rigging in case something breaks.

2. Always plan your slings, straps, and blocks to be much stronger than the cable doing the work.

I have investigated too many serious accidents as an expert in tree worker safety to see what happens when underrated slings and blocks let go under load.

Stay safe and don't scrimp on blocks.
Logging supply houses are also good places to look for high quality high-rated equipment.
In my stable is a really nice 1953 M37, a restored 1941 Command Car, a 1952 M38 and my favorite, a 1958 W300M that I bought from Jonas Smith last summer. That truck has a factory optioned utility body on it. for me what makes the truck unique is that in 30 years I've seen one other and it was a 1958 W300M with a 318 in it and no winch. It belonged to a tree service I helped out on big jobs and has several occasions to ride in and drive the big PW.
I always thought it had a horrible turning radius and swore I'd never own one. Decades went by, I bought the M37, was surprised to see how well it handled so I thought nothing about buying the PW from Jonas. First time behind the wheel confirmed my recollection of 30 years ago - terrible turning radius, but so what.





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