The Bicycle Wheel 3rd Edition
Thursday, October 15th, 2009 at
9:10 pm
Buy The Bicycle Wheel 3rd Edition at Amazon
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Buy The Bicycle Wheel 3rd Edition at Amazon
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Tagged with: Bicycle • Edition • Wheel
Filed under: Bicycle Wheel
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Unlike some reviewers who would like to see Brandt describe and bless novel spoking patterns, I concur with his recommendation of traditional spoking. The traditional tangent tension-spoked wheel is one of the most elegant and efficient structures ever devised. A wheelbuilder may choose a rim, hub and spokes at will and so, construct wheels of many kinds that are not available commercially. With skill and care, an amateur may build wheels of professional quality. The traditional wheel may be built to the desired degree of ruggedness vs. weight, and if damaged, can often be made usable with an emergency repair or adjustment.
Brandt’s advice faces challenges from within the bicycle industry, which is always looking for a new selling point. Wheels with low spoke counts, trendy now (2006) are more tolerable with deep-section aero rims than with shallow rims and can make sense for racers, who are willing to sacrifice reliability for a very slight increase in performance — but for most bicyclists, it is much more important not to get stranded or crash than to increase speed by half a percent.
Some of the newer types of wheels may sell because they look different, but provide little actual advantage. Wheels with thick aluminum or polycarbonate spokes decrease weight slightly but at a major expense in air drag. Carbon-fiber spokes have a very poor record of reliability and safety, though carbon-fiber-epoxy composite material has been used successfully in rims and in single-piece formed wheels. Still, brake shoes wear carbon-fiber-epoxy quickly, so a metal braking surface is preferable. Don’t get me talking about paired spokes, which make a wheel look as if it has fewer spokes — but require a heavier rim, because longer rim segments are unsupported. The inward pull of the spokes is, after all, about 10 times the lateral pull.
I have built some wheels with radial spokes, but I caught one with a cracked hub flange quite by chance shortly before it would have caused a nasty crash. Since that time I have been very careful which hubs I will spoke radially. As usual, Brandt is correct with his warning on this topic.
There is one serious error in Brandt’s book, and I am astonished that it has not been corrected through 3 editions. A graph, on page 39 in the 3rd edition, shows the change in spoke tension with lateral loading of the rim. The left spokes are shown to go into compression. They can’t, as they simply flex once they are slack. It might also be asked whether this graph reflects the influence of spokes that are differently stressed as the load is applied at the bottom of the wheel. To do so would require a more complicated mathematical model than I think Brandt was able to command.
I also disagree with Brandt’s advice to tension spokes until the rim begins to deform. It can then deform further due to increased stresses during riding, and loosen the spokes. I have seen a new wheel which failed after a few miles for this reason. Spokes should be tight, but should leave a margin of safety. If the rim deforms before the spokes reach their optimum range of tension, then they are too thick for it, or it is too weak for them.
I would really like to see this book updated with today’s more sophisticated finite-element analysis, including analysis of stresses in the novel low spoke-count wheels. But for people who are willing to build conventional wheels — the better choice anyway for most cyclists — this book is a valuable and fairly comprehensive reference.
I have been using Mr. Brandt’s book for 19 years now (since its first edition in 1981). It is invaluable. Concise, clearly written. It debunks myths and makes the seemingly complicated matter of the bicycle wheel easy to understand and not intimidating at all. Maintain, repair, rebuild or build new wheels. The results are perfect. Ride without fear. Have pride in what you have done and show it off to others.
the malaysian edition is different in only one way. it has a 'rare' or 'unreleased' track on it. sometimes there will even be a tab in the insert with facts or lyrical translation. thank you.
RT It would seem that the must have trend in oxford, (other than the Eco-nazi bicycle) is an obscenely short skirt…
Razor RipStik Casterboard Replacement Wheel Set
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I’ve been riding my bike as apart of my new diet and I wanted to know what kind of results (physical) can i get from it?
yep!
also tell him now I know it's him behind the wheel of that mag, I will start to read it! top fella.
THIS IS A TOUGH QUESTION………….
TOWING A FRONT WHEEL DRIVE VEHICLE BY THE REARS WHEEL COULD CAUSE SOME DAMAGE BUT IT WAS TOWED OFF THE YARD SO THERE REALLY WAS NOT THAT MUCH RESISTANCE.
IF IT WAS TOWED FOR A DISTANCE ON THE ROAD THEN IT MIGHT CAUSE SOME DAMAGE BUT LIKE IT WAS STATED ABOVE IT IS NOT YOU VEHICLE ANYMORE.
The chainstay is bolted.
i trained my dog to play polo, ill sell her to you so you can kinda feel like your on a horse. but please the weight limit is 20 pounds, so you might have to get a couple more dogs to tie together and ride.
hmm well it sounds to me like your inventing a new game right? (considering your not on a horse like regular polo) so that means that you should be able to create your own rules like you could say you gotta use brooms for clubs and seven people on a team.. use your imagination, it should be fun.
((oh yeah, dont forget to put me on your team roster. i have kick ass hand-eye cordination.)) haha but other than that, all i have to say is make sure and get training wheels so you wont have to worry about balancing and playing at the same time.
hope i helped.
i dont care how old this song is ima love it, i cant get enough of NEW EDITION
It can be done…This truck has independent front suspension so the cost of the conversion will be higher since you will need a transfer box, front diff, new hubs ETC… I think your best bet will be just raise it and go for the PreRunner look and have fun that way. If you still want a 4 wheel drive your probably better off getting a truck that is a 4X4.
GOOD LUCK
i kno rite!
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Lots of great American import bicycles.
Got a new wheel put on now headin bac to the burg to get on them 2 wheels!
Oke. RT Yupppp… Please…RT Emang yang bagus mereknya itu ya? RT Nitip kartu remi Merknya Bicycle
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