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Step 7The Camera Sled
The camera sled is pretty straight forward. See the exploded diagram for the basic construction.
1) The "L" angle bracket that I used had two (2) holes in it, right where I needed them. If yours doesn't, then you'll need to drill two 1/4" holes spaced to line up with the 1/4" holes in the pulley.
2) Insert two brass plated allen head bolts through the "L" angle bracket and secure them with 4 - 1/4" nuts (2 per bolt) . These will serve to space the "L" angle bracket away from the head of the 3/8" bolt that goes through the pulley.
3) Make sure to insert the 3/8" bolt through the pulley before installing it on to the 1/4" bolts extending through the "L" angle bracket.
4) Now secure the pulley to the 1/4" bolts with 2 - 1/4" lock nuts (1 per bolt).
5) Next place either a bronze bushing or a couple of standard 3/8" nuts and a 3/8" washer on the end of the 3/8" bolt. These act to space the pulley away from the hinge strap of the spring arm. You can put that together now, or wait till the "Putting it all together" step.
6) The "Gripomatic" probably won't be available anymore, but if it is, I drilled 4 - 5/32" holes in the bottom of the "L" angle bracket (in the same pattern as the pim nuts on the bottom of the "G-matic") and secured it with the hardware that was included. You can secure your camera of choice with whatever method best suits your needs and materials.
NOTE: I tried to tweak the free movement of the pulley by installing a small pulley just below the larger one and used a small spring and braided wire strap as a belt, but this wasn't really very successful, so this can be left out if you choose. The bolt that the small pulley is mounted on is one that is replacing one of the countersunk bolts that holds the hinge straps together.
1) The "L" angle bracket that I used had two (2) holes in it, right where I needed them. If yours doesn't, then you'll need to drill two 1/4" holes spaced to line up with the 1/4" holes in the pulley.
2) Insert two brass plated allen head bolts through the "L" angle bracket and secure them with 4 - 1/4" nuts (2 per bolt) . These will serve to space the "L" angle bracket away from the head of the 3/8" bolt that goes through the pulley.
3) Make sure to insert the 3/8" bolt through the pulley before installing it on to the 1/4" bolts extending through the "L" angle bracket.
4) Now secure the pulley to the 1/4" bolts with 2 - 1/4" lock nuts (1 per bolt).
5) Next place either a bronze bushing or a couple of standard 3/8" nuts and a 3/8" washer on the end of the 3/8" bolt. These act to space the pulley away from the hinge strap of the spring arm. You can put that together now, or wait till the "Putting it all together" step.
6) The "Gripomatic" probably won't be available anymore, but if it is, I drilled 4 - 5/32" holes in the bottom of the "L" angle bracket (in the same pattern as the pim nuts on the bottom of the "G-matic") and secured it with the hardware that was included. You can secure your camera of choice with whatever method best suits your needs and materials.
NOTE: I tried to tweak the free movement of the pulley by installing a small pulley just below the larger one and used a small spring and braided wire strap as a belt, but this wasn't really very successful, so this can be left out if you choose. The bolt that the small pulley is mounted on is one that is replacing one of the countersunk bolts that holds the hinge straps together.
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