Re: Something like landing gear testing
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Ron <rondefly@...>
I noticed some of the formula 1 aircraft at the reno air races also had just
a skid, of course, they don't taxi them to the takeoff position either. It is just used for the short takeoff and landing. Ron T Ron's Quickie's Q200 N4710P http://bld01.ipowerweb.com/contentmanagement/websites/rtrianoc/page8.html Q1 http://bld01.ipowerweb.com/contentmanagement/websites/rtrianoc/page9.html Q-200 09/2005 http://bld01.ipowerweb.com/contentmanagement/websites/rtrianoc/page10.html _____ From: Q-LIST@... [mailto:Q-LIST@...] On Behalf Of Tri-Q1 Sent: Thursday, September 22, 2005 4:08 PM To: Q-LIST@... Subject: [Q-LIST] Re: Something like landing gear testing Space ship 1 has a skid. Ryan --- In Q-LIST@..., "David Gall" <David@G...> wrote: would be more than that of a rolling tire, but with good anti-lockI was amazed that the strut did not snap off.Damian, brakes the coefficient of friction of a rolling, braked tire is greater than the skidding friction. Why else would you see so much TV hype about anti-lock brakes on cars? Well, that same coefficient of friction can be generated in a crosswise direction by a steered, rolling tire without brakes. That's the situation for a nose gear, except that the load is lateral instead of longitudinal. So, the nose gear should be as strong laterally as a main gear is longitudinally, right? And since most nose gear components are round, they should be just as trong longitudinally as laterally, right? More so, since they're braced in the longitudinal direction by all the retraction links.... And finally, the coefficient of sliding friction of metal against pavement is less than that of rubber against pavement. So, there should be nothing "amazing" about the event. Damn good flying, just using a nose skid instead of a nose wheel. Oh, yeah, nice sparks and smoke, but a non-event. (Fire extinguishers at the ready for the aluminum/magnesium fire excepted!) Have a nice NDT day. :-)
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