View Full Version : Cadence Calcualtion
08-10-2012, 05:14 AM
I am using the 210 on a tread mill. I'm wondering how the distance is calculated. Distance in GC is close to the treadmill number but I can't find any place where stride is entered.
08-10-2012, 07:29 AM
The GSC-10 has an accelerometer. If you can recall your freshman physics, acceleration is the second derivative of distance, so integrating acceleration twice gives distance. Add a bunch of processing, and you can calculate distance fairly accurately.
08-10-2012, 10:09 AM
Thanks, that was very helpful, except for the painful calculus memories.
09-21-2012, 02:04 PM
I am wondering how my pace decrease over time, as recorded by the Garmin, while on the TM at a constant speed. See attached. That's a decrease of 1 minute per mile over 2.5 miles.
Also, Using my Garmin 210 on the tread mill I don't get very good correlation for distance between the foot pod and the TM mileage. That's no a big deal to me, as soon as I get past pulling calf muscles on a regular basis, I'm going to take it out on a track to see which is correct. The difference is about 10%. Do you think that is to be expected?
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