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Old 02-02-2011 | 07:06 AM
  #30  
victorzamora
 
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From: Greenville, SC
Default RE: Speed Measuring?

ORIGINAL: sloppyG


ORIGINAL: Moontan13


ORIGINAL: cremation101

try this http://www.eagletreesystems.com/Stan...standalone.htm
seen these and they seem to work well
Interesting device! Works with telemetry and data logging too. Verrry nice!
it won't work in a car

it's a pitot tube speed sensor, it's for planes
Actually, the OP asked for groundspeed AND airspeed...so the pitot-static tube is the answer for airspeed. Also, it will work on a car. As long as the car passes through some sort of medium (air, for instance) the pitot-static probe will work. Just, due to viscous effects and some other things, mount the probe high and forward on your car. Then, drive one direction and turn around and drive the other direction....that'll compensate for wind.
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