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These should work for you if you want to build one
Cecil; I don't have any more pictures of it, and at this time
it is in north GA. at a friend of mine. As you can see in the photo's
it use's four dredge floats that I bought from Keene. The large
plates (4) have angle iron welded on the bottom side that fit
the recess area of the floats; on the top side of them in the center
is a piece of 1 1/4" or 1 1/2" pipe ( don't remember what size I used )
the long legs slip into them and there is a center top piece that has
four pieces of pipe to receive the long legs, This piece also has a 1/4"
length of flat 1/4" welded in the center of said top piece to serve as
a hanger for a 1 ton chain hoist . Square tubeing ; one long piece with
a tee welded on it's end reaches across the span and through the top
metal of the float and a short piece of square tubing with a tee on it go's
through the metal part of the float from the outside like the long one's.
these are cut to length after the long legs are installed to get them the
corect length. These cross piece slip together and are pinned to keep
them joined when in use. I had a cable net made as a cable shop that
was a lighter weight that the one I bought from Keene.
To use float into position over boulder, put rock net over it and tighten
the chain hoist untill snug, then move off to side and tighten untill
boulder is up high enough to float out of your way. The chain hoist
I used had 20 ft of lift chain and about that much drive chain on it
so I could move off to the side for safety. I'll try to work up some
plans of this and post them later. If you live where you can's dredge
now and have a dredge with floats for a 5 or 6" dredge you can use them
other wise you need to buy them. This float will handle boulders up to
about 400# safely by one person while on the bottom.
exactly how does this work as a boulder lifter?more pictures please or drawings?
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Comments
These should work for you if you want to build one
Cecil; I don't have any more pictures of it, and at this time
it is in north GA. at a friend of mine. As you can see in the photo's
it use's four dredge floats that I bought from Keene. The large
plates (4) have angle iron welded on the bottom side that fit
the recess area of the floats; on the top side of them in the center
is a piece of 1 1/4" or 1 1/2" pipe ( don't remember what size I used )
the long legs slip into them and there is a center top piece that has
four pieces of pipe to receive the long legs, This piece also has a 1/4"
length of flat 1/4" welded in the center of said top piece to serve as
a hanger for a 1 ton chain hoist . Square tubeing ; one long piece with
a tee welded on it's end reaches across the span and through the top
metal of the float and a short piece of square tubing with a tee on it go's
through the metal part of the float from the outside like the long one's.
these are cut to length after the long legs are installed to get them the
corect length. These cross piece slip together and are pinned to keep
them joined when in use. I had a cable net made as a cable shop that
was a lighter weight that the one I bought from Keene.
To use float into position over boulder, put rock net over it and tighten
the chain hoist untill snug, then move off to side and tighten untill
boulder is up high enough to float out of your way. The chain hoist
I used had 20 ft of lift chain and about that much drive chain on it
so I could move off to the side for safety. I'll try to work up some
plans of this and post them later. If you live where you can's dredge
now and have a dredge with floats for a 5 or 6" dredge you can use them
other wise you need to buy them. This float will handle boulders up to
about 400# safely by one person while on the bottom.
exactly how does this work as a boulder lifter?more pictures please or drawings?