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triathlon-szene.de | Europas aktivstes Triathlon Forum - Einzelnen Beitrag anzeigen - Aller guten Dinge sind drei - reloaded - the finishline
Thema: Aller guten Dinge sind drei - reloaded - the finishline
Einzelnen Beitrag anzeigen
Alt 12.07.2013, 11:51   #393
3-rad
 
Beiträge: n/a
Zitat:
Zitat von captain hook Beitrag anzeigen
Und ich hät geschworen, dass die Idealform eines "anliegenden" Aerohelmes ungefähr so aussehen sollte:
Beim Rudy nicht:EC: What is the real differences between aero helmets (short tail versus long-tail)?

John Cobb: There are two basic back shapes that all riders fit into. Group [A] which is the classic flat back with an acute bend at the waist and [b] a more rounded back with a pronounced hump or flex point right in the upper back at the shoulder blades. About 75% of age group racers are the [b] type back, about 60% of the professionals are the [A] type back. The [A] backs usually benefit from a longer tail helmet (Spiuk, LAS Laser, Specialized are this type) with an enclosed bottom, this pulls the air away from the head and shoulders and down the center of the back. [b] style riders benefit from shorter tail helmets (Rudy Project Wingspan, LG Rocket, Giro are a few) and the general helmet position is not real important. Many times these helmets are faster with the tails sticking up in the air so I wouldn’t sweat trying to keep the tail down on your back. The reason for this seems to be two things, less frontal area with the tail up and a smoother solid surface for the air to go around with the tail up.
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