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07-20-2007, 09:35 AM
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#1
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Montana Fan
Join Date: Jun 2007
Location: Savannah
Posts: 270
M.O.C. #7253
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Any body here made a set of improved roto-chocks?
I am making a set of roto-chocks that are made entirely of aluminum and stainless steel. The clamping action is done by rotating a stainless steel nut on a piece of stainless allthread which is 1/2 inch in diameter. The upper and lower clamps are made of thick wall 2 inch aluminum square tubing that have a 20 degree angle cut at each end. These clamps are then fitted with stainless steel pressure pads which are 2 1/4 inch x 3 1/2 in. The pads are held in place by 3/8 inch stainless steel bolts which serve as axles so the pads can pivot slightly to achieve as much contact as possible. I would post a picture here later this afternoon if I could figure out how.
Dave Nowlin
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07-20-2007, 09:41 AM
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#2
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Montana Master
Join Date: Jun 2004
Location: Somewhere over the rainbow
Posts: 2,072
M.O.C. #1704
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Dave, Check out this link on how to post pictures here on the MOC.
http://www.montanaowners.com/AddingPhoto.html
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07-21-2007, 05:12 AM
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#3
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Nice craftmanship Dave.
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07-21-2007, 06:17 AM
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#4
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Montana Fan
Join Date: Jul 2006
Location:
Posts: 176
M.O.C. #6077
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Thats nice, be sure to lubricate those threads. Stainless is very prone to thread galling in an application like that were the nuts are moved frequently. It would be awful to have that in place and end up with siezed threads and no way to get it off without cutting the rod.
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07-21-2007, 10:22 AM
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#5
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Montana Master
Join Date: May 2006
Location: Oakland
Posts: 887
M.O.C. #5811
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Great idea and well constructed. It looks like it will last a long time.
Do you use a ratchet type wrench for adjusting?
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07-21-2007, 01:05 PM
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#6
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Montana Fan
Join Date: Jun 2007
Location: Savannah
Posts: 270
M.O.C. #7253
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It's easier to use a ratchet but you don't have to. At first I wasn't going to use pivoting end pieces but decided I could get more pressure on the tire face if they pivoted to get maximum contact. These cost way less than half of what the Roto-Chocks cost and no plastic.
Dave Nowlin
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