[TowerTalk] TowerTalk Digest, Vol 35, Issue 49

FireBrick w9ol at billnjudy.com
Sat Nov 12 07:19:40 EST 2005

> On 11 Nov 2005 at 21:27, FireBrick wrote:
>> The best type of winches are worm gear.
>> But...many winches are rated for HORIZONTAL loads.
> I need educating...  What is the difference between a load that is
> "horizontal" and one  that is "vertical"?  To the winch, isn't a load
> just a load?  OK, the load could be one that puts the mounting plate
> in shear, or in tension, or a combination, but what do vertical and
> horizontal have to do with it?
> Thanks in advance.
> 73,
>  George T. Daughters, K6GT

George, we need an engineer to answer that.
But I know that the specs for many of the common winches specify 'pulling load and not 
'lifting' load. I've even seen charts that derate a winch if it's pulling up a incline.
(it may be related to the extra effort my waistline and butt put on my legs nowadays)

I had a Daiton/Hudson (spelling?) winch (original equipment that came with it) on my old 
Wilson rotatable. I purchased an exact replacement from Grainger. It failed within weeks 
and when I contacted Grainger for a replacement the guy strongly declined saying that load 
rating on the winch was only for pulling. Even though the catalog ad made no mention of 

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