I was wondering if anyone has had any experience with power meters or computers that measure power? What are good ones? Also, I see that the Ciclosport HAC 4 Plus says it measures power output.. How does it measure it? is it just an estimate? Any help is greatly appreciated.
Cycling Equipment · Public discussion
computer/power meters
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shming123 said:
I was wondering if anyone has had any experience with power meters or computers that measure power? What are good ones? Also, I see that the Ciclosport HAC 4 Plus says it measures power output.. How does it measure it? is it just an estimate? Any help is greatly appreciated.
It is an estimate. But read the Instruction Manual at http://www.ciclosport.de/
If you happen to be rich, take a look at www.srm.de -
The Ciclosport estimates power using a formula based on altitude gain. So on flat terrain it is useless, and it is not a true powermeter. The most popular powermeters are either the Polar7xx series with their power attachment, or the PowerTap hubs (the new SL version is expected to be out in December). The Polar calculates power based on chain vibration (sounds odd, but it works) and the PowerTap via strain gauges in the hub. The system most used by the pros is the German SRM, which is by far the most expensive; it is built into the cranks/bottom bracket, and is also a strain gauge system.
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