Indeed, it's called a 'worm gear'..
Looks like a good job well done.
Gil, W1RG
----- Original Message -----
From: "FireBrick" <w9ol@billnjudy.com>
To: "TowerTalk List" <towertalk@contesting.com>
Sent: Thursday, May 27, 2004 8:29 AM
Subject: [TowerTalk] Winch mounting bracket
> I was never happy with the stock Wilson Rotatable tower winch mount.
> It was flimsy and just looked like a accident going to happen.
> So I had the torches and welder out for another project and decided to fix
it right.
> here's the critter I built.
> What you can't see it the 4" channel between that big plate and the tower.
> sort of like this |[O that's |=1/4" plate [ is 4" channel and O is the
tower lowest
> section tube.
> The winch is bolted through the plate and channel with 4 1/2" bolts.
> Channel and plate were tack welded to maintain alignment during drilling.
>
> In addition to those big threaded clamps, the channel is also welded to
the tower tube.
> (yes I wear belts AND suspenders)
> It was important to maintain the winch in a perfectly level position which
insures even
> cable winding.
> That arm that supports the drill handle is just so I don't have to hold it
during raising.
> That drill has mega torque but is not difficult to hold.
> And yes I still have the hand crank in case of power failure.
> It's just that the winch has a ratio that takes forever to raise/lower.
> Winch is that kind of gear that holds it's position.
> (someone please tell me the name of that gearing type, I can never
remember but think it's
> Hypoid?)
>
> That is a Thern 2000# winch that I had a machine shop make an adapter from
the shaft to
> fit the chuck on the drill. The Drill is a Milwaukee Hole Hawg.
> (that's a heavy plastic bag that came from a blanket covering the drill.
they last about 1
> year)
> The tower is a old Wilson 55' with rotator at the bottom.
> You guys with sharp eyes may notice that the cable is heavier than stock.
When I recabled
> and resheaved, I upped each length and sheave one size.
> http://www.qsl.net/w9ol/bracket1.jpg
>
> -----------------------------------------------------
> "A liberal is someone too poor to be a capitalist, and too rich to be a
communist."
> -----------------------------------------------------
>
> Bill H. in Chicagoland
>
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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