Do I need more Coast Downs?

[Jfala]

Just upgraded my iSport to an iPro and was able to download my Cal Ride and Coast Down data for the first time. I've attached the Cal Ride that I am using for my profile as well as the first ride (it's short) I have done since upgrading. Does everything look OK and/or should I do more Coast Downs?

Thanks.

Jeff

iBike_12_15_2009_0721_9_Miles_JFA.csv

(447.45 KiB) Downloaded 303 times

iBike_10_18_2009_0831_2_Miles_CalRide.csv

(106.65 KiB) Downloaded 289 times

[Velocomp]

Calibration data and ride data look fine.

[noel]

Hi I am new here as well. My first post. I did 2 sets of coast downs at varying temps, early morning and midday. I am also doing 2 sets for each direction (NSWE) so a total of 8 per set, 16 total. I use a powertap (pre ANT) and pretty similar bike ad same brand tires and similar wheels, so I know where the power should be and the first time yesterday iBike really under reported but gave me a good workout (so my max HR is actually 196 not 191 as I'de thought all along). It never hurts to get more data. iBike determined that the Crr (road friction) is .0062 for my area and I think is pretty consistent with the condition of New Mexico roads. Yesterday it was a velodrome smooth .0039. Aaron gave me good pointers so I think I am on the right track



I was wondering if you need another fine tuning during the warmer months as well

[Jfala]

Thanks for the feedback. I have put on new wheels and tires so I'll be doing more CDs for the new set-up. John, thanks for confirming that my data is accurate.