Monday, March 18, 2013

Powertap G3 Comparison Update–Few more days

It’s just taking a little longer as I’m adding information related to strain gauge misalignment.

The primary things I’ve found out from V3 now include that the torque tube gauge alignment is critical. The BB bearings does not completely prevent  bending moments from transmitting through the axle. As a result, misalignment can show up as torque. This misalignment is causing calibration issues.

There may be some twisting interaction with the double bending arrangement but I believe that this can be reduced with more accurate locating of the gauges.

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