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30-10.-2007, 04:36 AM
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#1 |
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Registered User
Join Date: Sep 2004
Posts: 8
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Nashbar Watt Master
I have a Nashbar Watt Master magnetic trainer that my son has been using for the past few years. It seems to work fairly well, but I was wondering if anyone has any information on the accuracy of the wattage reported by this unit. I have no other power measuring device to compare its results with.
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31-10.-2007, 03:53 PM
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#2 |
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Registered User
Join Date: Mar 2006
Posts: 126
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Re: Nashbar Watt Master
I had one for 11 months before it broke. Glad to see you are having better luck.
To answer your question, I only did one test with it while using a powertap. It was off by 11.2%. It read 277w and actual was 246w. I don't know how this translates to lower or higher-powered intervals, as the accuracy changes quite a bit.
__________________
My club: University of Illinois-Chicago Cycling |
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31-10.-2007, 11:48 PM
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#3 |
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Registered User
Join Date: Sep 2004
Posts: 8
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Re: Nashbar Watt Master
Thanks. That's exactly the information I was looking for. That is right in the range that my son usually trains in when he is doing intervals (typically 250-300 indicated on Watt Master); I'm not really concerned with how it compares to a "reference standard" outside of that range. Hopefully these Watt Masters are fairly consistent from one unit to the next.
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