Originally Posted by
spectastic
where can i find tunnel data on v shape and u shape rims being compared?
The best compendium is
Aeroweenie.com - Time Trial and Triathlon Aerodynamics Links and Data or just google it.
The other option is to go to slowtwitch and tell someone with a v shape rim his bike is slow compared to a u shaped rim (or visa versa). You'll get 300 replies worth of data.