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#1 |
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...how fast are you really going?
I have a 70 profile front tyre if that makes much difference? I ask as i was (shamefully) flashed by a speed camera on friday whilst the speedo was showing that speed (30mph zone obviously). This was in Lincoln. I know some areas have a scheme whereby if you were a little over the speed camera 'threshold', 35-37mph if i remember correctly, then you have the option of attending a 'rehab' course instead. I would expect if my speedo was showing 37, i would have actually been going more like 34-35, so it is surprising that the camera went off. Thanks |
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#2 |
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Very rare for this to be offered in a 20 or 30 limit. Why do you have a 70 profile tyre on?
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#3 | |
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The only mentions i have heard of the schemes, have been in reference to 30mph limits. I am skint at the moment so i buy second hand tyres from ebay and fit them myself. My bike failed it's MOT due to the front tyre (60 profile), so i needed a 'new' one. A 70 profile was what was being sold on ebay at the time, so bought it. I have dropped the yokes a few mm to compensate and the bike is handling as well, if not better, that ever. I seem to remember reading on here, that a 70 profile tyre cancels out a lot of the speedo error, which makes sense i suppose. |
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#4 |
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how much error is there in the speedo then?
and the rule is 10% + 1/2 cant remember which, so a camera could well go off at 34/35. My mate got a ticket come through when he first passed, was doing 34/35 or something and got the 3 points |
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#5 |
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#6 | |
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Yes, i think it is +10%, +2mph, although there is no legal obligation for cameras to go off at that, i believe they can be set to 31mph, but nobody has them set that low yet. |
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#7 |
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#8 |
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Just in case anybody cares, i didn't get a ticket
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#9 |
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is the SV speed not taken from the front sprocket like most modern bikes?
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#10 |
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Neio, the SV speedo sensor is on the front wheel
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