0-60 Twin Turbo Z times
Originally Posted by vision619
Put a GPS 0-60 unit in your car that measures all these things including G's and step on the gas! 
That's how we accurately determine 0-60 times!
That's how we accurately determine 0-60 times!
By using a GPS intergrated instrament such as a G-Tech Pro, a Belltronics, and others, you can acurately (within .01-.001 of a second) determine 1/8 & 1/4 mile times, 0-60 & 0-100 mph., G forces, etc.
Originally Posted by WA2GOOD
Mike you crack me up....
By using a GPS intergrated instrament such as a G-Tech Pro, a Belltronics, and others, you can acurately (within .01-.001 of a second) determine 1/8 & 1/4 mile times, 0-60 & 0-100 mph., G forces, etc.
By using a GPS intergrated instrament such as a G-Tech Pro, a Belltronics, and others, you can acurately (within .01-.001 of a second) determine 1/8 & 1/4 mile times, 0-60 & 0-100 mph., G forces, etc.
Using GPS would be a very poor measurement of distance, unless you had access the DOD MilSpec undegraded GPS signal....
LOL....OMG... I was signed in with George's (XBS) settings (my notebook) from when he asked me to look something up fo him)....sorry George, The above response is from ME, GurgenPB.
Originally Posted by XBS
Accelerometers do NOT use GPS to measure distance/time relationships, they measure Gforces and extrapolate from there... Those numbers are useless, by the way, unless you use a verified flat piece of road, and calibrate AND "zero" the acceleromter on the preferably SAME piece of road. This AND ONLY THIS yields very predictable results.
Using GPS would be a very poor measurement of distance, unless you had access the DOD MilSpec undegraded GPS signal....
Using GPS would be a very poor measurement of distance, unless you had access the DOD MilSpec undegraded GPS signal....
I have also taken these same meters a couple times to the local 1/8th mile track and have gotten the exact same times and mph in most cases, as their high end timing lights and equipment.
Last edited by WA2GOOD; Jan 25, 2006 at 01:21 AM.
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Originally Posted by XBS
Accelerometers do NOT use GPS to measure distance/time relationships, they measure Gforces and extrapolate from there... Those numbers are useless, by the way, unless you use a verified flat piece of road, and calibrate AND "zero" the acceleromter on the preferably SAME piece of road. This AND ONLY THIS yields very predictable results.
Using GPS would be a very poor measurement of distance, unless you had access the DOD MilSpec undegraded GPS signal....
Using GPS would be a very poor measurement of distance, unless you had access the DOD MilSpec undegraded GPS signal....
They've always been accurate for us. As Scott just mentioned we have tested them at track events.
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