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Re: Re: Plywood Tube For Telescopes

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Posted by Mike Thiel on November 21, 2000 15:35:31 UTC

Hollowood has come a long way! We can add a layer of carbon fiber or kevlarto increase our phenomenal strength. Also our sizes are now up to 18" diameter. Our 1/4 inch wall 6" tube will withstand 20,000 pound compresion. Yes, 20,000 pounds! Tested by the Gougeon team. Also tested was a 2.5" diameter tube, 30" long with 1/8" wall thickness. It compresson tested at 3,000 pounds and supported 500 pounds over a 28" span. This tube weight is only 10 oz.
Mike Thiel

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