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The Aero Bike Shootout: Ongoing Discussion
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See the OP after the jump.

I hope April 18, 2017, when this test took place, proves to be an important moment in the cycling equipment space. We completed a crowd-funded, pro-consumer effort to assess the performance claims made by manufacturers of the world's finest and fastest race bikes.This independent assessment is the first of its kind due to the enormous expense required. Only industry could afford it -- until now. Support came from the entire cycling community, including from the manufacturers the study could undermine. Together with Heath Dotson, Brian Stover, Dan Kennison, Jimmy Seear, Geoff Eaker, Herbert Krabel, and Bryan Deitz, We six bikes in the tunnel to see which is fastest, and by how much. This next phase is interpreting and modeling and explaining the data that may roil an industry -- or will the output validate it? We will find out.

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The big day is here. So many have contributed time and equipment and money -- via the GoFundMe campaign -- to facilitate the independent wind tunnel testing of some of the world's finest aero bikes: the Cervelo P5, the Cervelo P5-X, the Diamondback Andean, the Premier Tactical, the Ventum One, and the Felt B Series. For the nitty gritty details, the previous thread on this test has them.

We are still a touch short on the fundraising, so please spread the word and share the link to the GoFundMe on social media -- or, if you can throw another ten spot at it, we appreciate that too. (As a pro tip, it works better to share the link as a native post in Facebook or Twitter rather than through the GoFundMe page because some social networks de-prioritize third party content.) https://www.gofundme.com/...tt-bike-aerodynamics

BryanD will be updating this thread with pictures and information. Here are a few pictures to get the juices flowing of the bike builds and synchronization work in progress -- these are not final, so don't nit pick. We have taken and noted key measurements of all bikes, and everything that matters is within 2-3mm, with most down to less than 1mm.




Last edited by: kileyay: Apr 20, 17 17:10
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Re: The Aero Bike Shootout TEST DAY THREAD [kileyay] [ In reply to ]
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That really is a fine line-up of carbon. Kudos to the three of you for making this happen.

'It never gets easier, you just get crazier.'
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Re: The Aero Bike Shootout TEST DAY THREAD [kileyay] [ In reply to ]
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The Felt wins the beauty contest for me! Strangely I don't totally hate the Diamondhumpback quite so much in black.

Looking forward to it, what time do you guys kick off? I'm assuming EDT, so I'm hoping to be able to catch some of this while I'm still at work this afternoon (UK). Hope it all runs smoothly for you.
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Re: The Aero Bike Shootout TEST DAY THREAD [kileyay] [ In reply to ]
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No pictures of you and BryanD spooning?!

Team Every Man Jack

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Re: The Aero Bike Shootout TEST DAY THREAD [stevej] [ In reply to ]
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On the way to the tunnel now

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Re: The Aero Bike Shootout TEST DAY THREAD [stevej] [ In reply to ]
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Kiley is getting set up on the Felt B2. 1st run is Kylie on the bike. Pictures coming soon.

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Re: The Aero Bike Shootout TEST DAY THREAD [knighty76] [ In reply to ]
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I'm -guessing- Kiley's Diamondback is more pleasing to look at for most (me included) because it doesn't have all that extra storage box stuff in the stem area that Diamondback advertises it with.
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Re: The Aero Bike Shootout TEST DAY THREAD [SBRcoffee] [ In reply to ]
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Agreed. Kiley's setup plays a big role, but the color helps too.
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Re: The Aero Bike Shootout TEST DAY THREAD [LAI] [ In reply to ]
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Is it strange that I wish we had a live feed camera?....
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Re: The Aero Bike Shootout TEST DAY THREAD [EnderWiggan] [ In reply to ]
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Not at all. I was going to ask if they were going to do any "live" feeds on FB or something else.
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Re: The Aero Bike Shootout TEST DAY THREAD [LAI] [ In reply to ]
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We are working on some social media stuff. I'll show it soon.

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Re: The Aero Bike Shootout TEST DAY THREAD [EnderWiggan] [ In reply to ]
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Quote:
Is it strange that I wish we had a live feed camera

Email customer service!

Brian Stover
Accelerate3 Coaching
twitter & IG = @accelerate3
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Re: The Aero Bike Shootout TEST DAY THREAD [EnderWiggan] [ In reply to ]
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Go here for photos, live videos, etc. https://www.facebook.com/...amp-351344665263968/

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Re: The Aero Bike Shootout TEST DAY THREAD [LAI] [ In reply to ]
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Cervelo P5-X up next!

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Re: The Aero Bike Shootout TEST DAY THREAD [BryanD] [ In reply to ]
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How's Kiley's #'s look on the Felt?
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Re: The Aero Bike Shootout TEST DAY THREAD [LAI] [ In reply to ]
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0.22 about. No other numbers will be disclosed now
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Re: The Aero Bike Shootout TEST DAY THREAD [kileyay] [ In reply to ]
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kileyay wrote:
0.22 about. No other numbers will be disclosed now

I didn't even think we'd get that. Thanks for sharing.
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Re: The Aero Bike Shootout TEST DAY THREAD [LAI] [ In reply to ]
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Premier Tactical up now instead of the P5-X

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Re: The Aero Bike Shootout TEST DAY THREAD [LAI] [ In reply to ]
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P5-X is going next

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Re: The Aero Bike Shootout TEST DAY THREAD [BryanD] [ In reply to ]
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Good luck Bryan! ;)

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Re: The Aero Bike Shootout TEST DAY THREAD [LAI] [ In reply to ]
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LAI wrote:
kileyay wrote:
0.22 about. No other numbers will be disclosed now

I didn't even think we'd get that. Thanks for sharing.

Keep in mind this exercise is in no way to optimize aero and CdA. Decisions were made to standardize variables across equipment. I am actually a bit higher on the stack here because we couldn't get the P5 as low as I wanted, so we brought everything else up slightly. Kit might also be slow but it has less potential for wrinkling than sleeved.

Stay tuned. Results looks very very consistent at zero yaw. I am holding still like my race depends on it.

If you haven't already, please share the social media or throw in a few bucks. We have already hit some impossible to predict snags in equipment that have robbed us of time. Who knew the thru axle threads were different between Andean and P5-X? I mean really, guys?
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Re: The Aero Bike Shootout TEST DAY THREAD [kileyay] [ In reply to ]
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kileyay wrote:
Keep in mind this exercise is in no way to optimize aero and CdA. Decisions were made to standardize variables across equipment. I am actually a bit higher on the stack here because we couldn't get the P5 as low as I wanted, so we brought everything else up slightly. Kit might also be slow but it has less potential for wrinkling than sleeved.

Stay tuned. Results looks very very consistent at zero yaw. I am holding still like my race depends on it.

If you haven't already, please share the social media or throw in a few bucks. We have already hit some impossible to predict snags in equipment that have robbed us of time. Who knew the thru axle threads were different between Andean and P5-X? I mean really, guys?

I was just curious as to your numbers based off your position (it looked pretty good based off what I saw). FWIW, I think my baseline was ~0.22 range too. I was a little high when I went in too. I know it was the briefest of rides, but how'd the drop on the DA feel compared to your setup(s)?
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Re: The Aero Bike Shootout TEST DAY THREAD [kileyay] [ In reply to ]
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Just kicked in a modest donation, hope the day goes well without too many glitches!
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Re: The Aero Bike Shootout TEST DAY THREAD [tttiltheend] [ In reply to ]
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Kiley is on the P5-X right now

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Re: The Aero Bike Shootout TEST DAY THREAD [tttiltheend] [ In reply to ]
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kicked in as well. good luck and stay still Kiley! Watching the process is a geeks dream - I'm getting nothing done at work.
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