......@gmail.com> wrote: On Sep 18, 10:39 pm, poisoned rose <whydoIstillbot...@usenet.com> wrote: Raja <zepflo...@gmail.com> wrote: You're right. For sheer speed, there are plenty who rate above Tyner, including Tatum, Powell, Newborn and Peterson. Powell had the whole package, but due to his precarious mental state, his output is wildly uneven. ...

..., "Mortimer" <me@privacy.net> wrote: Someone explained to me once that the speed shown by a GPS receiver isn't necessarliy accurate as you may be driving up or down a steep hill - the GPS will show your speed as though you were driving along a flat road Good point. Let's look ... cos(18 degrees) = 0.95 So the GPS will read 95%% of the true speed and the error will be (1-0.95)/1 = 5%%. I suppose a ...

..., "Mortimer" <me@privacy.net> wrote: Someone explained to me once that the speed shown by a GPS receiver isn't necessarliy accurate as you may be driving up or down a steep hill - the GPS will show your speed as though you were driving along a flat road Good point. Let's look at ... be cos(18 degrees) = 0.95 So the GPS will read 95%% of the true speed and the error will be (1-0.95)/1 = 5%%. I suppose a really ...

... Sep, 13:19, %%ste...@malloc.co.uk (Steve Firth) wrote: GPS + the current speed sensor for when there's no satellite coverage (such as inside tunnels) would be enough. The speed sensor could be calibrated from the GPS when there is a signal. This is ... some upmarket in-car GPS navigation systems. GPS doesn't give an accurate speed on gradiants. If you're the amazing engineer you make out you'll know ...

... it expands/contracts/leaks. Perhaps a different means of measuring the speed of a vehicle is needed - perhaps some sort of radar signal bounced off the ...). May be overkill, though ;-) Someone explained to me once that the speed shown by a GPS receiver isn't necessarliy accurate as you may be driving up or down a steep hill - the GPS will show your speed as though you were driving along a flat road -- Only some ghastly, ...

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... Raja <zepflo...@gmail.com> wrote: On Sep 18, 10:39 pm, poisoned rose <whydoIstillbot...@usenet.com> wrote: Raja <zepflo...@gmail.com> wrote: You're right. For sheer speed, there are plenty who rate above Tyner, including Tatum, Powell, Newborn and Peterson. Powell had the whole package, but due to his precarious mental state, his output is wildly uneven. Sure, ...

... be explained by any evolutionary process. The famous ornithologist Alan Feduccia states that "every feature of them has aerodynamic functions. They are extremely light, have the ability to lift up which increases in lower speeds, and may return to their previous position very easily". Then he continues, "I cannot really understand how an organ perfectly designed for flight may have emerged for another need at the beginning".6 The ...

... so whats the problem? I drove past one of these flash you speed up signs the other day and while my speedo said 38 the sign said ...it expands/contracts/leaks. Perhaps a different means of measuring the speed of a vehicle is needed - perhaps some sort of radar signal bounced off... road below the vehicle? It all adds up to reasons why setting speed scameras to clock anyone doing 1mph over the limit is a stupid concept. ...

... of the wheels of cars/lorries etc aren't constant. It will change as the tyre wears down and as the pressure of the air inside it expands/contracts/leaks. Perhaps a different means of measuring the speed of a vehicle is needed - perhaps some sort of radar signal bounced off the road below the vehicle? Or maybe laser light, using same technology as for laser mice. Or GPS (assuming you can get satellite reception). May be...