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Deep-section fairings at the rim on new Discovery team wheels
Check this out: these wheels appear to be regular xxx-lite wheels with
a deeper section fairing glued on top of the rim (the accompanying cyclingnews story seems to confirm this, and I can't see nipples at the edge of the rim). This kind of reminds me of those vinyl wheel covers that guys use to make discount disc wheels out of regular spoked rears. Does anyone know if this has been tried before? I guess you might have to take off the rim tape to true them. Otherwise it seems like a decent way to make a lightweight but very deep rim--or not? Jobst?--Shayana Kadidal http://www.cyclingnews.com/photos/20...5-bontyaeolus1 Another new wheel for Discovery is the Bontrager Aeolus, named after the keeper of the winds in ancient Greek mythology. Daubert said, "With the Aeolus prototype, we've collaborated with our wheel aerodynamics consultant Steve Hed to develop this new wheel to create an efficient aero shape. With plenty of wind tunnel and rider feedback, Aeolus has a 60mm rim diameter, coupled to the DT spokes and hubs we've been using for several years." Daubert explained that Bontrager had used a special high temperature resistant silicone adhesive to bond a carbon fibre 'skin' to the carbon fiber rim used in the Race Lite XXX wheel. |
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Deep-section fairings at the rim on new Discovery team wheels
i am so dissapointed colorado cyclist sold all the ultra light wheel
sets before i could sell the back 40 |
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Deep-section fairings at the rim on new Discovery team wheels
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Deep-section fairings at the rim on new Discovery team wheels
SDK wrote:
Check this out: these wheels appear to be regular xxx-lite wheels with a deeper section fairing glued on top of the rim (the accompanying cyclingnews story seems to confirm this, and I can't see nipples at the edge of the rim). This kind of reminds me of those vinyl wheel covers that guys use to make discount disc wheels out of regular spoked rears. Does anyone know if this has been tried before? I guess you might have to take off the rim tape to true them. Otherwise it seems like a decent way to make a lightweight but very deep rim--or not? http://www.cyclingnews.com/photos/20...5-bontyaeolus1 Steve Hed has been making such things for a long time. At one point he even offered one for downhill MTBs-- 45mm wide with a carbon fairing. I don't think the fairing is part of the rim's primary structure. Chalo Colina |
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Deep-section fairings at the rim on new Discovery team wheels
Chalo wrote: Steve Hed has been making such things for a long time. At one point he even offered one for downhill MTBs-- 45mm wide with a carbon fairing. I don't think the fairing is part of the rim's primary structure. Chalo Colina True. The primary "rim" carries the load and uses special nipples that are accessed by removing the tire and rim strip. They're even available in small sizes for us wacky recumbent riders: http://www.hedcycling.com/wheels/recumbent.php Jeff |
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Deep-section fairings at the rim on new Discovery team wheels
Pitch a tent and wait for a sale. the sails ah comin' now for the six hour road test's results!! so tell us Big Jam, the *&^^$ cracked at the fourth hour at the bottom of McGreedys hill? good question, ask your nab! |
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Deep-section fairings at the rim on new Discovery team wheels
SDK wrote:
Check this out: these wheels appear to be regular xxx-lite wheels with a deeper section fairing glued on top of the rim (the accompanying cyclingnews story seems to confirm this, and I can't see nipples at the edge of the rim). This kind of reminds me of those vinyl wheel covers that guys use to make discount disc wheels out of regular spoked rears. Does anyone know if this has been tried before? I guess you might have to take off the rim tape to true them. Otherwise it seems like a decent way to make a lightweight but very deep rim--or not? Jobst?--Shayana Kadidal Mavic Cosmic Carbone wheels have been doing this for years and years. Open Pro rim with a deep carbon fairing glued onto it for aerodynamics. $1450 for the pair. Mavic must have a HUGE profit margin on these Open Pro with plastic glued to the sides wheels. http://www.excelsports.com/new.asp?p...jor=1&minor=24 Features Rims are Maxtal, ISM lightened rim body with bidirectional carbon flanges Joint is SUP welded. UB Control Braking surface Spoke Material stainless steel black, ultra flat straight pull ABS Front wheels radial 16 spokes Rear wheel 20 spokes radial non drive side, 2 cross drive side http://www.cyclingnews.com/photos/20...5-bontyaeolus1 Another new wheel for Discovery is the Bontrager Aeolus, named after the keeper of the winds in ancient Greek mythology. Daubert said, "With the Aeolus prototype, we've collaborated with our wheel aerodynamics consultant Steve Hed to develop this new wheel to create an efficient aero shape. With plenty of wind tunnel and rider feedback, Aeolus has a 60mm rim diameter, coupled to the DT spokes and hubs we've been using for several years." Daubert explained that Bontrager had used a special high temperature resistant silicone adhesive to bond a carbon fibre 'skin' to the carbon fiber rim used in the Race Lite XXX wheel. Apparently Trek has a slightly different take on the Mavic Cosmic Carbones. Glue the plastic fairing to a carbon rim instead of an aluminum rim. Probably a lot lighter with Trek's method since they start with a lighter wheel. But much less profit margin for Trek since they start with a more expensive wheel than the Mavic Open Pro wheel. |
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Deep-section fairings at the rim on new Discovery team wheels
"SDK" wrote in message
oups.com... Check this out: these wheels appear to be regular xxx-lite wheels with a deeper section fairing glued on top of the rim (snip) Aren't such wheels illegal? Wheel covers instead of discs were illegal some years per UCI because no part was allowed that was purely aerodynamic. An aerodynamic component has (had) to be mechanically functional as well. -- __o Keep on Ridin' `\ (*)/(*) *********************************************** * Al Williams * * San Jose CA Chief Cyclist, DNRC * *********************************************** |
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Deep-section fairings at the rim on new Discovery team wheels
JeffWills wrote:
Chalo wrote: Steve Hed has been making such things for a long time. At one point he even offered one for downhill MTBs-- 45mm wide with a carbon fairing. I don't think the fairing is part of the rim's primary structure. Chalo Colina True. The primary "rim" carries the load and uses special nipples that are accessed by removing the tire and rim strip. They're even available in small sizes for us wacky recumbent riders: http://www.hedcycling.com/wheels/recumbent.php How is that allowed? In UK time trials, at least, no form of fairing is permitted. You want to go faster, you have to be rich, because all those deep rims are structural. |
#10
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Deep-section fairings at the rim on new Discovery team wheels
Al Williams wrote:
"SDK" wrote in message oups.com... Check this out: these wheels appear to be regular xxx-lite wheels with a deeper section fairing glued on top of the rim (snip) Aren't such wheels illegal? Wheel covers instead of discs were illegal some years per UCI because no part was allowed that was purely aerodynamic. An aerodynamic component has (had) to be mechanically functional as well. If it's glued or screwed or bolted... Based on their logic, pretty much almost all carbon clincher wheels are therefore illegal because they have an aluminum rim with a carbon "fairing." -- Phil, Squid-in-Training |
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