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Heywood Jablome
Joined: 12 Mar 2006
Posts: 1548
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| Posted: Sat Sep 27, 2008 9:03 pm Post subject: CG of Marquee 9500? |
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I know, I know... Stick a roller under it and balance it.
I'm going to hang the 9500 (finally!) tomorrow, and have a damn spiffy mount to use... I want to get the CG right so I don't have to wrestle with it when winching it up. Is CG documented somewhere?
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"Those countries which lag behind in industry, in the application of mechanics and technical chemistry, in the careful selection and utilization of natural products, where the respect for such activities does not permeate all classes of society, will unfailingly decline in prosperity. They will sink faster when neighbor states, with an energetic exchange between science and industry, go forward with renewed vitality."
-- Baron Alexander von Humboldt: 1769-1859
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Sat Sep 27, 2008 11:20 pm Post subject: |
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ita been w hile since I hung one but it's approx. 8 inches back from tip of lenses
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Heywood Jablome
Joined: 12 Mar 2006
Posts: 1548
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| Posted: Sun Sep 28, 2008 7:28 pm Post subject: |
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Using the "roll it on a stick" (well, conduit!) method on a nekkid PJ (working, including lenses, but lacking cosmetic side and top covers) I found the CG to be about 5" aft of the front foot.
When I finish dressing it I'll re-check but odds are it won't move much. The proof will be when I hang the thing by the lift cable.
_________________
"Those countries which lag behind in industry, in the application of mechanics and technical chemistry, in the careful selection and utilization of natural products, where the respect for such activities does not permeate all classes of society, will unfailingly decline in prosperity. They will sink faster when neighbor states, with an energetic exchange between science and industry, go forward with renewed vitality."
-- Baron Alexander von Humboldt: 1769-1859
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sun Sep 28, 2008 8:25 pm Post subject: |
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Heywoods new installation will show my version of where and when to use Uni-Strut to hang a CRT projector. He took a couple of pictures as we were putting it together.
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Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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