Anyone Still Using an Axle Speed Sensor ?

This topic has 6 replies, 6 voices, and was last updated 10 years, 2 months ago by jt colegrove.

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- May 1, 2016 at 7:49 am #65249
  
  Walt Gifford
  Participant
  
  RPM tells you everything you need to know.
  
  Gif
- May 1, 2016 at 8:42 pm #65299
  
  Sanford Mitz
  Participant
  
  We’ve been using GPS exclusively for the last several years on all three of our karts. BTW, we find the MPH and track mapping extremely helpful. I really don’t see the need for both.
- May 2, 2016 at 7:03 pm #65329
  
  Gary Lawson
  Participant
  
  As a driving instructor rpm does not tell you “everything you need to know.” The speed sensor is unnecessary if you have gps.
- May 4, 2016 at 5:47 pm #65426
  
  tony zambos
  Participant
  
  I kept the speed sensor after acquiring a GPS module with the thoughts I could see clutch slip and lost traction at the rear of the kart. But if there were any of those conditions, by the time I saw them late at night on a race day or the week after a race it was way too late. Will keep relying on the best sensor in the kart, the driver. Thanks for your comments.
  
  P.S. and it will be one less thing to remove and put back on during an axle swap. :)
- May 8, 2016 at 7:22 am #65533
  
  Larry Hayashigawa
  Participant
  
  I have a MyChron 4 and use the speed sensor. If using the Split Time or Time Compare is important then the speed sensor is needed. I found that the GPS data for the M4 drifted too much, even when comparing data from the start and the end of the day. The speed sensor old data (months old) could be overlaid with new data without resorting to shifting the time.
  
  Larry
  
  Aim says that the M5 is much better, I don’t know, as I haven’t tried one yet.
- June 26, 2016 at 6:40 pm #67746
  
  jt colegrove
  Participant
  
  Front wheelspeed is more useful than rear wheel speed. If you’ve got front, you can really accurately identify wheelspin on corner exit with this math channel:
  
  (front wheel speed/(engine RPM/1000))
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