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C-Clamp Sizing

COW Forums : Lighting Design Pros

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Michael HurwiczC-Clamp Sizing
by on Sep 6, 2012 at 11:15:01 pm

Arri Baby Pipe Clamp description says "Fits a 2 inch diameter pipe."

Does this mean *up to* 2 inches? i.e. any diameter smaller than that should also work?

Thanks,
Mike


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Dennis SizeRe: C-Clamp Sizing
by on Sep 9, 2012 at 4:49:45 am

Very often these clamps don't tighten down on very small pipes (1" and smaller) due to the bolts used. You could simply replace the bolt with a longer one however.
If you're using much smaller pipe however, perhaps you don't need such a large clamp. What type fixture are you using?
DS



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Michael HurwiczRe: C-Clamp Sizing
by on Sep 9, 2012 at 4:43:15 pm

Thanks, Dennis! I actually haven't installed a fixture yet, so I am free to use a different fixture and a different clamp. This is just the clamp I ran across that looked like it would work well with ARRI 650 Fresnels (and smaller like 350 and 150). A two inch pipe seems like more than I should need. I'm thinking a one inch pipe would do. Is there another clamp you know of that would work well for that?


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Dennis SizeRe: C-Clamp Sizing
by on Sep 10, 2012 at 1:14:55 am

You shouldn't be buying clamps separate from the fixture.
Buy the fixture and the clamp that goes with it. Arri makes an excellent clamp -- use it. Why waste time shopping for separate clamps?
If you do feel a need to "shop around" for clamps then go to THE LIGHT SOURCE (coolclamps.com). They have every clamp you can imagine.
DS



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Michael HurwiczRe: C-Clamp Sizing
by on Sep 10, 2012 at 4:13:16 am

Thanks, Dennis. Sorry, when I saw "fixture" I was thinking about the pipe to attach the light to, whereas it actually means the light itself. I do have the ARRI Fresnels already.

So, I think the conclusion is to go ahead and get c-clamp mentioned above and use it with a 2" pipe, even though to me that seems kind of overkill-ish.


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Dennis SizeRe: C-Clamp Sizing
by on Sep 17, 2012 at 12:15:44 am

1 1/2" Schedule 40 black steel pipe is the standard
DS



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Michael HurwiczRe: C-Clamp Sizing
by on Sep 17, 2012 at 12:40:28 am

Thank you, Dennis!


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