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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
Posted to rec.crafts.metalworking
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Cable lift capacity
I was given two gear drive (manual) basketball goal lifters. They consist
of two gears, one on a drive spindle and one on the drum. These look substantial, and came with 1/4" wire rope cable. They are Aalco A3 K500 hand winches. http://www.aalcomfg.com/basketball5.html I want to use the two of them as a boat lift for my 16' aluminum boat and motor. I would estimate it at 1500-1700#, if that much. I am going to basket rig it, deadmanning the hoist, going through two pulleys, one at each end of a spreader bar, then up to a deadman on the lifting beam. Under the spreader bar will be a 3" (approx.) nylon ratchet strap that will cradle the underside of the boat front and rear. I want to lift it just enough, about 6-12" so I can pull the trailer out and paint it, work on the trailer, and do some work on the underside of the boat. I have looked at these closely, and see no load rating. Went to their site and requested a catalog that might have this info. Is anyone familiar with these? Steve -- Please go to my facebook page, Heart Surgery Survival Guide and LIKE me so I can get my domain name. Heart surgery pending? www.heartsurgerysurvivalguide.com Heart Surgery Survival Guide Now on facebook, too. |
#2
Posted to rec.crafts.metalworking
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Cable lift capacity
"Steve B" wrote in message ... I was given two gear drive (manual) basketball goal lifters. They consist of two gears, one on a drive spindle and one on the drum. These look substantial, and came with 1/4" wire rope cable. They are Aalco A3 K500 hand winches. http://www.aalcomfg.com/basketball5.html I want to use the two of them as a boat lift for my 16' aluminum boat and motor. I would estimate it at 1500-1700#, if that much. I am going to basket rig it, deadmanning the hoist, going through two pulleys, one at each end of a spreader bar, then up to a deadman on the lifting beam. Under the spreader bar will be a 3" (approx.) nylon ratchet strap that will cradle the underside of the boat front and rear. I want to lift it just enough, about 6-12" so I can pull the trailer out and paint it, work on the trailer, and do some work on the underside of the boat. I have looked at these closely, and see no load rating. Went to their site and requested a catalog that might have this info. Is anyone familiar with these? Steve I have a PEC 020 worm geared strap hoist rated for 1500 Lbs, which is so inefficient that it takes at least 3x the effort as a Jet lever chain hoist the same size. Part of it is the need to apply full force all the way around. It's even difficult to turn to lower the load. Naturally I disassembled and greased it, which helped a little. http://c.searspartsdirect.com/lis_pn...3670-00001.png Personally I would spring for a chain hoist. I've had good results from a 2 ton Chinese one like this: http://www.harborfreight.com/2-ton-chain-hoist-631.html At 30 lbs it's about the max I want to maneuver on or off an overhead eye with one hand, while the chains are swinging and I'm holding the ladder with the other hand. It's good for more than vertical hoisting. Its last use was winching out the trunk of a ~20" diameter oak that had fallen against another and jammed. Unlike a lever chain hoist you can operate them without having your feet under a large suspended load. jsw |
#3
Posted to rec.crafts.metalworking
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Cable lift capacity
http://www.flickr.com/photos/deserttraveler/
pic of winch, which I called factory, and it is 600# capacity. Steve |
#4
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[quote='Steve B[_10_];2706608']I was given two gear drive (manual) basketball goal lifters. They consist
of two gears, one on a drive spindle and one on the drum. These look substantial, and came with 1/4" wire rope cable. They are Aalco A3 K500 hand winches.] Morning! I work for a non-profit private school in the Mid-west and while I was googling K500 winches I came across your post. Any chance you might sell them is you no longer need them? Thanks, Alex |
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