AeroPod, PowerPod and Newton

A few years ago I did a rough analysis of the Test of Metal results. A local mass start mountain bike race. With 800 (limited too) entries... and a multi-year result base to work with, sorted minimally by age (10 year age increments...) The difference between the pro riders finish at typically 2:45 ...

http://www.rare-earth-magnets.com/detail-ID-87.html, about $10 (plus shipping) will get you 40. Buy a good glue (Gorrila glue works for me.)

I usually glue two onto the spoke, side-by-side.

Cheap and aero.

Yes, but that doesn't redo the calculations for the coast-down etc...

Is there anyway to fix that? Or does it matter all that much?

I had a great day to do some aero testing yesterday. Only problem was the scale I took didn't work. So I had to guestimate weight and ended up under by a little over a two kg (about 3lbs, 183 used, should have been 188lbs.) I did two sets of coast downs and 4 mile rides for two different wheelsets. ...