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Mavic introduces wheel with compression spokes
Road Mag's blog had this item today:
"The [new] wheels, which are part of the Ksyrium family, use a combination of hollow carbon spokes (tubes) and the familiar aluminum spokes found on the Ksyrium. The front wheel has all carbon spokes and the real wheel has aluminum spokes on the drive (cassette) side and the carbon tubes on the none drive side. The carbon tubes act like a combination old fashion wooden spokes, which supported the wheel by compression (like a stiff wooden spoke on an ox cart) and traditional aluminum spokes that support the wheel via tension. I won't try and explain it in detail here - but the general idea is that the carbon tubes give the wheel a lot more rigidity - plus they are lighter.... MAVIC brought out their machine for testing rigidity and put the wheel though it paces. They then ran another five wheels from various manufactures - these were all wheels that various journalists had brought along - so it was a pretty random cross section. The new MAVIC wheel came out on top. It was more rigid and at 1355 grams they are one of the lighter wheel sets on the market (hey - the spokes only way five grams each - versus an aluminum at eight grams - and we know that every gram counts)." ============================================= The full item and photographs are at: http://roadmag.blogspot.com/2007/06/...take-note.html or http://tinyurl.com/2m59r9 Notice that Mavic rolled out an old wooden wheel at the unveiling. |
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#2
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Mavic introduces wheel with compression spokes
On Mon, 18 Jun 2007 22:55:51 -0500, Gary Young wrote:
the wheel via tension. I won't try and explain it in detail here - but the general idea is that the carbon tubes give the wheel a lot more rigidity - plus they are lighter.... I'd say the general idea is to make them sound reassuring to fat weekend warriors :-) -- Home page: http://members.westnet.com.au/mvw |
#3
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Mavic introduces wheel with compression spokes
On Jun 18, 9:55 pm, Gary Young wrote:
Road Mag's blog had this item today: "The [new] wheels, which are part of the Ksyrium family, use a combination of hollow carbon spokes (tubes) and the familiar aluminum spokes found on the Ksyrium. The front wheel has all carbon spokes and the real wheel has aluminum spokes on the drive (cassette) side and the carbon tubes on the none drive side. The carbon tubes act like a combination old fashion wooden spokes, which supported the wheel by compression (like a stiff wooden spoke on an ox cart) and traditional aluminum spokes that support the wheel via tension. I won't try and explain it in detail here - but the general idea is that the carbon tubes give the wheel a lot more rigidity - plus they are lighter.... MAVIC brought out their machine for testing rigidity and put the wheel though it paces. They then ran another five wheels from various manufactures - these were all wheels that various journalists had brought along - so it was a pretty random cross section. The new MAVIC wheel came out on top. It was more rigid and at 1355 grams they are one of the lighter wheel sets on the market (hey - the spokes only way five grams each - versus an aluminum at eight grams - and we know that every gram counts)." ============================================= The full item and photographs are at: http://roadmag.blogspot.com/2007/06/...-climbers-take... or http://tinyurl.com/2m59r9 Notice that Mavic rolled out an old wooden wheel at the unveiling. Still with crappola rear hub and for only, what $2600 or so?? my head hurts |
#4
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Mavic introduces wheel with compression spokes
On Tue, 19 Jun 2007 07:41:12 -0700, Qui si parla Campagnolo
wrote: On Jun 18, 9:55 pm, Gary Young wrote: Road Mag's blog had this item today: "The [new] wheels, which are part of the Ksyrium family, http://tinyurl.com/2m59r9 Still with crappola rear hub and for only, what $2600 or so?? my head hurts "The suggested retail is about $1,400 US" according to the article. Also "(the spokes only way[sic] five grams each - versus an aluminium at eight grams " Sapim CX-Rays weight 4g, and are cheaper than Mavic Aluminium or carbon spokes. So instead of 16 carbon spokes, use 20 CX-Rays; I'm pretty sure that's going to make a wheel with both higher axial stiffness and lower aerodynamic drag, at exactly the same weight and lower cost. Is there some vital piece of European politics I'm missing which prevents French Mavic from admitting that Belgian Sapim (or Swiss DT) have already solved the spoke problem? Heck, both countries even have substantial Francophone populations, so it can't be a language issue. Kinky Cowboy* *Batteries not included May contain traces of nuts Your milage may vary |
#5
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Mavic introduces wheel with compression spokes
On Jun 18, 11:33 pm, Michael Warner wrote:
On Mon, 18 Jun 2007 22:55:51 -0500, Gary Young wrote: the wheel via tension. I won't try and explain it in detail here - but the general idea is that the carbon tubes give the wheel a lot more rigidity - plus they are lighter.... I'd say the general idea is to make them sound reassuring to fat weekend warriors :-) Coming soon: the Ksyrium WBE (WannaBe Edition); almost as strong and reliable as a conventional 32H wheel, but 25% heavier and 350% more expensive. Of course, it will have the 'look', the 'cool factor', all those colorful stickers, and a big red spoke. Just the thing at the Latte Stop. ;-) |
#6
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Mavic introduces wheel with compression spokes
Gary Young wrote:
Road Mag's blog had this item today: "The [new] wheels, which are part of the Ksyrium family, use a combination of hollow carbon spokes (tubes) and the familiar aluminum spokes found on the Ksyrium. The front wheel has all carbon spokes and the real wheel has aluminum spokes on the drive (cassette) side and the carbon tubes on the none drive side. The carbon tubes act like a combination old fashion wooden spokes, which supported the wheel by compression (like a stiff wooden spoke on an ox cart) and traditional aluminum spokes that support the wheel via tension. I won't try and explain it in detail here - but the general idea is that the carbon tubes give the wheel a lot more rigidity - plus they are lighter.... MAVIC brought out their machine for testing rigidity and put the wheel though it paces. They then ran another five wheels from various manufactures - these were all wheels that various journalists had brought along - so it was a pretty random cross section. The new MAVIC wheel came out on top. It was more rigid and at 1355 grams they are one of the lighter wheel sets on the market (hey - the spokes only way five grams each - versus an aluminum at eight grams - and we know that every gram counts)." ============================================= The full item and photographs are at: http://roadmag.blogspot.com/2007/06/...take-note.html or http://tinyurl.com/2m59r9 Notice that Mavic rolled out an old wooden wheel at the unveiling. this was posted yesterday evening, but in the course of nearly 24 hours, none of our "engineers" have picked up on the most, er, "interesting" feature in the commentary: "The carbon tubes act like a combination old fashion wooden spokes, which supported the wheel by compression (like a stiff wooden spoke on an ox cart) and traditional aluminum spokes that support the wheel via tension." this in the context of a rear wheel with drive side aluminum spokes and non-drive side carbon i.e. supposedly tension one side, compression the other. now, if we know [and understand] our wheel theory, one could ask oneself how it's possible to have tension on one side of a wheel and compression on the other, right? any takers? come on, since this comes from an anonymous and therefore non-credible liar, it should be easy to prove this is a baseless and inflammatory question... |
#7
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Mavic introduces wheel with compression spokes
Another blog posting on the wheel:
http://thisjustin.bicycling.com/2007...vic_wheel.html The description seems to me to be hopelessly confused, but there is a photograph showing how the carbon-fiber spokes connect to the hub. |
#8
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Mavic introduces wheel with compression spokes
On Tue, 19 Jun 2007 20:42:09 -0700, jim beam
wrote: Gary Young wrote: Road Mag's blog had this item today: " The carbon tubes act like a combination old fashion wooden spokes, which supported the wheel by compression (like a stiff wooden spoke on an ox cart) and traditional aluminum spokes that support the wheel via tension this was posted yesterday evening, but in the course of nearly 24 hours, none of our "engineers" have picked up on the most, er, "interesting" feature in the commentary: "The carbon tubes act like a combination old fashion wooden spokes, which supported the wheel by compression (like a stiff wooden spoke on an ox cart) and traditional aluminum spokes that support the wheel via tension." this in the context of a rear wheel with drive side aluminum spokes and non-drive side carbon i.e. supposedly tension one side, compression the other. now, if we know [and understand] our wheel theory, one could ask oneself how it's possible to have tension on one side of a wheel and compression on the other, right? any takers? come on, since this comes from an anonymous and therefore non-credible liar, it should be easy to prove this is a baseless and inflammatory question... We all knew that it was so blindingly obvious that either a: something got lost in the translation or b: Mavic were demonstrating their ignorance all over again that we wouldn't have to point it out even to you. Kinky Cowboy* *Batteries not included May contain traces of nuts Your milage may vary |
#9
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Mavic introduces wheel with compression spokes
On Jun 19, 12:01 pm, Ozark Bicycle
wrote: On Jun 18, 11:33 pm, Michael Warner wrote: On Mon, 18 Jun 2007 22:55:51 -0500, Gary Young wrote: the wheel via tension. I won't try and explain it in detail here - but the general idea is that the carbon tubes give the wheel a lot more rigidity - plus they are lighter.... I'd say the general idea is to make them sound reassuring to fat weekend warriors :-) Coming soon: the Ksyrium WBE (WannaBe Edition); almost as strong and reliable as a conventional 32H wheel, but 25% heavier and 350% more expensive. Of course, it will have the 'look', the 'cool factor', all those colorful stickers, and a big red spoke. Just the thing at the Latte Stop. ;-) http://www.elevengear.us/poseur.html |
#10
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Mavic introduces wheel with compression spokes
On Jun 20, 7:11 am, Qui si parla Campagnolo wrote:
On Jun 19, 12:01 pm, Ozark Bicycle wrote: On Jun 18, 11:33 pm, Michael Warner wrote: On Mon, 18 Jun 2007 22:55:51 -0500, Gary Young wrote: the wheel via tension. I won't try and explain it in detail here - but the general idea is that the carbon tubes give the wheel a lot more rigidity - plus they are lighter.... I'd say the general idea is to make them sound reassuring to fat weekend warriors :-) Coming soon: the Ksyrium WBE (WannaBe Edition); almost as strong and reliable as a conventional 32H wheel, but 25% heavier and 350% more expensive. Of course, it will have the 'look', the 'cool factor', all those colorful stickers, and a big red spoke. Just the thing at the Latte Stop. ;-) http://www.elevengear.us/poseur.html- Ain't that a hoot? |
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