Powertap calibration Garmin

Elushion
Elushion Posts: 115
edited January 2015 in Workshop
Guys any idea what this mean?

My powertap calibration has been slowly rising by about 5 every time I calibrate it on my Garmin. Its went from around 520 to 620. However the power reading seems fine that its giving out it doesnt appear high or low.

Is this the torque tube on the way out?
"It was eleven more than necessary."

-Jacques Anquetil (after winning a race by twelve
seconds."

Comments

  • JackPozzi
    JackPozzi Posts: 1,191
    The general range it should be is 512 plus or minus 20, sounds like it needs looking at. Not sure if there's a service centre in Ireland, but here in UK the only place is Paligap who took about a month to get mine back to me last time.
  • Elushion
    Elushion Posts: 115
    Any ideas what would be causing the funny calibration? Was stable around 530 then changed the battery recently and has been going up 5-6 every ride ever since.
    "It was eleven more than necessary."

    -Jacques Anquetil (after winning a race by twelve
    seconds."
  • JackPozzi
    JackPozzi Posts: 1,191
    Elushion wrote:
    Any ideas what would be causing the funny calibration? Was stable around 530 then changed the battery recently and has been going up 5-6 every ride ever since.

    Sorry, my knowledge on possible problems isn't much, but torque tube does sound like a possibility.

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