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General Chat (Vincent Related)
Vincents - A New Interest For Me
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<blockquote data-quote="Robert Watson" data-source="post: 8441" data-attributes="member: 38"><p>Tom re read what I said. If they are calibrated properly and a couple of other small tricks, they read speed very accurately. Mine on the Woolly Mammoth always within 1-2 mph of a GPS unit. By adding or subtracting weights to the balance wheel you can make the speed read exactly where it needs to be. A little trial and error is required. I know excatly what a speedo should read when driven by one particluar drill in my shop, as Danny Smith knows exactly what they should read when set up on his distrubtor machine. </p><p></p><p>The odometer on the other hand is dependent on the ratios of the gears and is not adjustable (except by changing tire sizes or cutting new gears!) hence my mileage is out by about 4%. </p><p></p><p>These two things are independent as the speed can be changed downstream from the initial drive speed, the ododmeter cannot!</p><p></p><p>Robert</p></blockquote><p></p>
[QUOTE="Robert Watson, post: 8441, member: 38"] Tom re read what I said. If they are calibrated properly and a couple of other small tricks, they read speed very accurately. Mine on the Woolly Mammoth always within 1-2 mph of a GPS unit. By adding or subtracting weights to the balance wheel you can make the speed read exactly where it needs to be. A little trial and error is required. I know excatly what a speedo should read when driven by one particluar drill in my shop, as Danny Smith knows exactly what they should read when set up on his distrubtor machine. The odometer on the other hand is dependent on the ratios of the gears and is not adjustable (except by changing tire sizes or cutting new gears!) hence my mileage is out by about 4%. These two things are independent as the speed can be changed downstream from the initial drive speed, the ododmeter cannot! Robert [/QUOTE]
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