On Wed, 2004-05-05 at 21:44, [EMAIL PROTECTED] wrote:
> Good point, against your premise. I'm a boater and I know that an > inflatable boat has a rigid, reinforced fiberglass V hull under it to > take the dynamic stress.
Wrong; that's called an RIB. I was talking about the old-style fully inflatable Zodiacs. Zodiac and Avon still make them, you know. The slamming loads on those relatively low-pressure tubes at speed are of the same order as the Shuttle's max-Q.
I don't know if they still do this, but some racing motorcycles had pressurized frames for additional strength/light weight.
---------- Jerry Durand Durand Interstellar, Inc. 219 Oak Wood Way Los Gatos, California 95032-2523 USA tel: +1 408 356-3886 fax: +1 408 356-4659 web: www.interstellar.com
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