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Re: cub hand crank dimensions
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Posted by Farmer Bob on January 31, 2000 at 21:23:42 from (207.227.187.91):
In Reply to: cub hand crank dimensions posted by Gary on January 31, 2000 at 15:19:59:
Gary, I just made my Cub crank using 5/8" round stock. Starting with the end you hang on to:
4-1/2" to first 90 degree bend, then 8-1/2" to second 90 degree bend, then 13-3/4" to the business end of the crank. Back-up 3/4" from the business end and drill a 5/16" hole through the crank. I used a 1-1/4" long hardened drift pin to stick through this hole and peened the edge of the hole into the cross pin to hold it in place. Now for the fun part. To make the bends as perfect as possible I made a homemade forge. Take an old metal electrical box (8"x12") fill it about full of charcoal briquettes, a little lighter fluid to get it going and with the box on the ground I used a 2' section of metal downspout aimed right up to one of the large knockout holes in the side of the box. I placed an old hand held hair blow dryer at the other end of the downspout. crank up the hair dryer for the "wind" and watch them briquettes get hot real fast. Lay your round stock metal with the measurement for the bend marked with a file directly on top of the box and let it heat up and don't even attempt to pick up the rod unless you use tongs or some pliers. Bend it over in a good vise and proceed with the second bend after proper heating. Let the rod cool naturally to keep it's temper. (If you cool it with water you may end up with a crystalized crank that will either bend or snap on the first use). Of course if you have a heating torch, use it and don't bother reading the last 4 inches of text. Good luck.
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