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Copyright Velocomp LLP 2008-2010
19
CALIBRATING YOUR IAERO AND WIRELESS
DFPM TOGETHER FOR CONTINUOUS CDA
MEASUREMENT
The calibration procedure for the iAero/WIRELESS DFPM combination is COMPLETELY
DIFFERENT FROM ANY PREVIOUS IBIKE CALIBRATION PROCEDURE:
a.
Tilt calibration is the same, but
b.
NO COAST DOWNS ARE REQUIRED
c.
A single calibration ride, 4 miles long, IS REQUIRED
d.
The 4-mile ride is analyzed in iBike software.
e.
Baseline (normal) aerodynamic and frictional drag coefficients are
determined by the iAero/DFPM data
Here is the calibration procedure:
1)
Set up your iAero and DFPM on the bike and pair them (page 15)
2)
Perform a tilt calibration. Be careful and take your time. Mark the places where
you’ll turn the bike.
3)
VERY IMPORTANT: before starting your calibration ride make sure your iAero has
adjusted to the outdoor temperature. Proper wind speed measurement is critical to
best results, so BEFORE you start calibrations, ride around with your bike for 10
minutes to let your iAero adjust to outdoor conditions.
4)
Be certain that you perform the Wind Offset calibration carefully before beginning
your calibration ride.
5)
Make sure the DFPM has had its zero-offset calibration completed. If your DFPM
calibration is incorrect then ALL the data from your iAero will be wrong, too!
6)
Once your iAero and DFPM are ready, do a four mile calibration ride (two miles out,
two miles back).
NOTE
: WHEN USING THE IAERO AND THE DFPM TOGETHER, THE POWER DATA
DISPLAYED ON YOUR IAERO SCREEN WILL BE THAT MEASURED BY THE DFPM
7)
When you’ve completed your calibration ride use the “Profiles/Download Coast-
Downs & Calibration Ride” command data to analyze your results. The iBike
software will compute aerodynamic and frictional drag coefficients based on the
DFPM and iAero data captured during the calibration ride.
8)
And, VERY IMPORTANT, after you’ve done the analysis click the “Accept Profile and
send to iAero” command to UPLOAD your analyzed results to your iAero. If you
forget this step then ALL YOUR HARD WORK WILL BE MEANINGLESS!
Your iAero and DFPM are now ready to measure power, Continuous CdA, Time
Advantage, and all other iAero measurements.
Note that iAero Continuous CdA measurements are read out to two significant digits.
Содержание iAero Generation III
Страница 1: ...Copyright Velocomp LLP 2008 2010 1 Generation III Reference Manual December 2010 Firmware 424...
Страница 5: ...Copyright Velocomp LLP 2008 2010 5 Mac and PC versions...
Страница 16: ...Copyright Velocomp LLP 2008 2010 16...
Страница 28: ...Copyright Velocomp LLP 2008 2010 28 Next click on the DFPM tab You ll see the CinQo s graph and stats displayed...