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#11
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Bicyycle fairing
On 25/12/18 11:13 am, John B. Slocomb wrote:
Or for us guys: https://www.researchgate.net/publica...g_aerodynamics I'll have to read that again. Thanks. -- JS |
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#12
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Bicyycle fairing
On Tue, 25 Dec 2018 11:09:35 -0600, Doug Cimperman
wrote: On 12/24/2018 11:23 PM, John B. Slocomb wrote: On Mon, 24 Dec 2018 23:08:52 -0600, Doug Cimperman wrote: ... Another possible option would be to build a motorcycle with digital steering--drive-by-wire. Similar to ABS, even a cheap microprocessor could make control corrections dozens of times a second,,, way faster than any human can. (or use both these systems) Racing motorcycles seem to get along without auto-steering. At least at current speeds. cheers, John B. Except when they don't. https://www.google.com/search?client...+tank+slapping The argument ignores the fact that "speed wobbles" or "tank bangers" are not a new phenomena. Way back in the un streamlined days bikes used to wobble. In those days it was almost always found that replacing worn bushings in the front fork suspension cured it :-) cheers, John B. |
#13
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Bicyycle fairing
On Tuesday, December 25, 2018 at 3:32:28 PM UTC-8, John B. Slocomb wrote:
On Tue, 25 Dec 2018 11:09:35 -0600, Doug Cimperman wrote: On 12/24/2018 11:23 PM, John B. Slocomb wrote: On Mon, 24 Dec 2018 23:08:52 -0600, Doug Cimperman wrote: ... Another possible option would be to build a motorcycle with digital steering--drive-by-wire. Similar to ABS, even a cheap microprocessor could make control corrections dozens of times a second,,, way faster than any human can. (or use both these systems) Racing motorcycles seem to get along without auto-steering. At least at current speeds. cheers, John B. Except when they don't. https://www.google.com/search?client...+tank+slapping The argument ignores the fact that "speed wobbles" or "tank bangers" are not a new phenomena. Way back in the un streamlined days bikes used to wobble. In those days it was almost always found that replacing worn bushings in the front fork suspension cured it :-) cheers, John B. In the speed regime of an upright bike, the reduction in friction would not have any effect because while the streamlining increases, the speed is insufficient to overcome the greatly increased surface area. |
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