trail wrote:
Tom A. wrote:
GreenPlease wrote:
I'm very confused as to why they went with a round seat post. They could have just used the seat post from the Serios (uci legal)I don't think UCI-legality is a concern...based on the chin spoiler and the seat stay-seat tube junction location.
I like how they compare it aerodynamically to the Podium disc model (LOL)...at least they're reporting in CdA though ;-)
Congrats Diamondback, you've made a "super aero" back that's the not as low of drag as a custom steel bike (using "off the shelf" tubing) WITH a bottle on the downtube :-/
That's interesting. I didn't know you could take any wind tunnel graph and directly compare it to any other wind tunnel graph like that.
Well...we just learned in the "IO Ask Me Anything" thread that the plot above is with the fixture drag REMOVED, unlike the lower plot of the Stinner and Venge Vias. IIRC, fixture drag is ~0.01m^2 CdA at LSWT. Makes the IO look even worse.
We also learned the test wheel tire setup was 28c Conti GP4KS2s on Hed Jet6 Plus wheels...not helping the drag plots...heck, those tires must've measure >33mm on those wheels. It probably wouldn't even be UCI Cyclocross legal with tires that wide ;-)
http://bikeblather.blogspot.com/