Stolen from elsewhere
Cycling news released a aero helmet wind tunnel test including the new Poc Procen Air.
Credits to reddit user Lopsided_Prior3801 for posting the data.
Helmet | CdA average | Power at 40km/h | Speed at 250w (km/h) | 40km TT at 250w
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POC Procen Air w/Visor 0.3501 288.15 38.15 01:02:55
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Specialized S-Works Evade III 0.3523 289.96 38.07 01:03:02
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POC Procen Air w/out Visor 0.3529 290.45 38.05 01:03:05
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Scott Cadence 0.3531 290.62 38.04 01:03:05
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Van Rysel FCR 0.3531 290.62 38.04 01:03:05
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Giro Eclipse 0.3541 291.44 38.01 01:03:09
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Trek Ballista 0.3542 291.52 38.00 01:03:09
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Trek Velocis 0.3549 292.10 37.98 01:03:12
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Julbo Sprint 0.356 293.00 37.94 01:03:16
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Kask Utopia Y 0.3563 293.25 37.93 01:03:17
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Lazer Vento Kineticore 0.3564 293.33 37.92 01:03:17
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MET Manta 0.357 293.83 37.90 01:03:19
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Smith Ignite 0.3572 293.99 37.90 01:03:20
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Sweet Protection Tucker 2Vi 0.3573 294.07 37.89 01:03:20
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Kask Elemento 0.3574 294.16 37.89 01:03:21
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Limar Air Atlas 0.3577 294.40 37.88 01:03:22
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ABUS Gamechanger 2.0 0.3581 294.73 37.86 01:03:23
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Oakley ARO7 w/out Visor 0.3586 295.14 37.85 01:03:25
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Carnac Evo 0.3588 295.31 37.84 01:03:26
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Specialized S-Works Prevail III 0.3588 295.31 37.84 01:03:26
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Rudy Project Nytron 0.3589 295.39 37.84 01:03:26
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Oakley ARO7 w/Visor 0.3607 296.87 37.77 01:03:32
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Uvex Rise Pro 0.3621 298.02 37.72 01:03:37
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POC Ventral Tempus 0.3624 298.27 37.71 01:03:38
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POC Ventral 0.3656 300.91 37.60 01:03:49