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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Anyone know anything about Auto Tempo 5" speedos?
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<blockquote data-quote="vapide" data-source="post: 6426" data-attributes="member: 181"><p>I dissected the 3" speedo on my Rap, and it does indeed appear identical to the movement in the Auto Tempo. Neither have any markings, but only difference is in the frame, where the axles for the odometers go. The 3" clock has the axles running directly in holes in the pot metal frame, where the legs on the 5"s frame are wider and slit for bushings clamped in by a screw. This could easily have been a running change in the 30 or 30 years that separates the two instruments, and the rest of the frame is so similar as to make me think they were by the same maker. So it appears the Auto Tempo may very well have a genuine Smiths movement too (which brings up the question again, why does it break so much more often?).</p><p></p><p>Oh while the 3" was off the Rap I checked the direction of rotation, and it is counterclockwise, as seen looking at the back of the instrument.</p></blockquote><p></p>
[QUOTE="vapide, post: 6426, member: 181"] I dissected the 3" speedo on my Rap, and it does indeed appear identical to the movement in the Auto Tempo. Neither have any markings, but only difference is in the frame, where the axles for the odometers go. The 3" clock has the axles running directly in holes in the pot metal frame, where the legs on the 5"s frame are wider and slit for bushings clamped in by a screw. This could easily have been a running change in the 30 or 30 years that separates the two instruments, and the rest of the frame is so similar as to make me think they were by the same maker. So it appears the Auto Tempo may very well have a genuine Smiths movement too (which brings up the question again, why does it break so much more often?). Oh while the 3" was off the Rap I checked the direction of rotation, and it is counterclockwise, as seen looking at the back of the instrument. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Anyone know anything about Auto Tempo 5" speedos?
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