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| anyone ever checked.... http://www.taxi-driver.co.uk/phpBB2/viewtopic.php?f=6&t=27219 |
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| Author: | wannabeeahack [ Mon Jul 06, 2015 7:57 pm ] |
| Post subject: | anyone ever checked.... |
My days total mileage today... 177.2 miles start to finish according to my meter BUT 179.2 miles according to my odometer car on 10,000 miles, can tyre wear do this? is the meter not using the tyre revs as a source for its info? |
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| Author: | Foxtrot26 [ Mon Jul 06, 2015 9:39 pm ] |
| Post subject: | Re: anyone ever checked.... |
or about 1.2% of a difference. bugger all in the grand scheme of things really I would say that's well within the acceptable levels for accuracy for either an odometer or a meter |
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| Author: | wannabeeahack [ Mon Jul 06, 2015 9:41 pm ] |
| Post subject: | Re: anyone ever checked.... |
Foxtrot26 wrote: or about 1.2% of a difference. bugger all in the grand scheme of things really I would say that's well within the acceptable levels for accuracy for either an odometer or a meter on the Briskoda site someones had 6 mile difference on 145 miles... |
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| Author: | Nidge2 [ Tue Jul 07, 2015 8:23 am ] |
| Post subject: | Re: anyone ever checked.... |
wannabeeahack wrote: My days total mileage today... 177.2 miles start to finish according to my meter BUT 179.2 miles according to my odometer car on 10,000 miles, can tyre wear do this? is the meter not using the tyre revs as a source for its info? The meter doesn't use the tyre revolutions, it's taken from a pulse at the back of the radio. |
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| Author: | Chris the Fish [ Tue Jul 07, 2015 11:07 am ] |
| Post subject: | Re: anyone ever checked.... |
Nidge2 wrote: The meter doesn't use the tyre revolutions, it's taken from a pulse at the back of the radio. ...and the pulse is generated from...... ....revolutions of the (usually rear) wheels. Pulse generators are normally pretty accurate if they have been set up over a measured mile properly. That said, if they produce 2000 pulses on a mile exactly, that is 240 pulses more than there are yards in the mile. If on the mile a very slight deviation is made, going round a cyclist for example, it may say that there are 2002 pulses, if you have to break sharply and the back wheels lock up momentarily it may show as 1999 pulses. The convention on meters (which I have somewhere) allows a slight variance. On my old Taxi I could not get closer than 2 yards short or 4 yards long on the mile. Both were acceptable. The odometer on that vehicle was not as accurate as the meter. |
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| Author: | skippy41 [ Tue Jul 07, 2015 11:15 am ] |
| Post subject: | Re: anyone ever checked.... |
Also take into account the state of the road surface, wheels lifting slightly as they go over pot holes, rough surfaces and speed bumps |
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