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Calibration - please could somebody check for me

Posted: Thu Mar 14, 2019 8:07 pm
by stevepmoore
Attached is the calibration (o&b) and subsequent ride file from today. This is for a repaired (actually it's a replacement) unit. We have been experiencing strong winds in the UK for the last week so not sure how this will affect a calibration ride. Please could this be checked.
I am not sure if it is ok or reading slightly low. It is significantly down on my previous level but it may just be that I have lost weight since my last FTP test with a 'correctly working' powerpod (back in Nov.) I know from other testing that my general form is better than around the time of my last test so I would be interested to see if this calibration was successful. Many thanks in advance,

Stevel

Re: Calibration - please could somebody check for me

Posted: Thu Mar 14, 2019 8:08 pm
by stevepmoore
Calibration File

Re: Calibration - please could somebody check for me

Posted: Thu Mar 14, 2019 9:36 pm
by Velocomp
stevepmoore wrote: Thu Mar 14, 2019 8:07 pm Attached is the calibration (o&b) and subsequent ride file from today. This is for a repaired (actually it's a replacement) unit. We have been experiencing strong winds in the UK for the last week so not sure how this will affect a calibration ride. Please could this be checked.
I am not sure if it is ok or reading slightly low. It is significantly down on my previous level but it may just be that I have lost weight since my last FTP test with a 'correctly working' powerpod (back in Nov.) I know from other testing that my general form is better than around the time of my last test so I would be interested to see if this calibration was successful. Many thanks in advance,

Stevel
This ride has multiple problems--both wind and slope. Your cal ride, submitted afterwards, is OK. Do another ride with your new calibration and all should be well.

Re: Calibration - please could somebody check for me

Posted: Fri Mar 15, 2019 5:18 am
by stevepmoore
John,

Really sorry. I posted the wrong files :-). Those were from a calibration ride exactly a year ago (doh!!).

Attached is the correct file. There doesn't seem to be a separate calibration file - I assume it's the first part of this file.

Thanks

Steve

Re: Calibration - please could somebody check for me

Posted: Fri Mar 15, 2019 1:08 pm
by Velocomp
stevepmoore wrote: Fri Mar 15, 2019 5:18 am John,

Really sorry. I posted the wrong files :-). Those were from a calibration ride exactly a year ago (doh!!).

Attached is the correct file. There doesn't seem to be a separate calibration file - I assume it's the first part of this file.

Thanks

Steve
Everything looks fine!

Re: Calibration - please could somebody check for me

Posted: Fri Mar 15, 2019 1:23 pm
by stevepmoore
Thank you John

Re: Calibration - please could somebody check for me

Posted: Thu Mar 21, 2019 10:52 am
by stevepmoore
John,

Please can you check the attached for me when you get a chance. I am still not convinced it is reading correctly. I struggled to get above 160 watts this morning on my training run, with watts only rising above 200w when out the saddle or climbing. My ave 20min power (for the only section undisturbed by traffic/traffic lights) was 197w, which is 70w lower than when I last did a full gas effort on this particular loop towards the end of last year.
Please ignore the first 10mins of the attached as I ended up having to slow and then stop due to roadworks as well as the last hour (which is my commute into central London, so lots of stop/start and drafting in traffic).
10-20mins will give a better indication.
My general form is much better than last year. I've lost a little weight but not enough to make the differences I'm seeing with my power figures from last year.
Thank you,

Steve

Re: Calibration - please could somebody check for me

Posted: Thu Mar 21, 2019 11:20 am
by Velocomp
I looked at your ride file and notice the following:

1) Your CdA is .317. This is a low number...are you riding in the drops?

2) Towards the end of your ride there is a consistent tail wind. Were you in a group?

Please post a ride file from late last year. I will look at that, too, and see if I can find something else.

Re: Calibration - please could somebody check for me

Posted: Thu Mar 21, 2019 11:40 am
by stevepmoore
Thanks John, I'll upload a file from last year when I get a moment.
I was on the hoods 90% of the time (elbows bent) - which is what my profile should be set to. The last hour of my ride is my commute into the centre of London so can be ignored as it will be either with other cyclists or among cars/vans etc. (plus I did have a tail wind into work this morning).
Thanks, Steve