Bicycle Quarterly Rolling Resistance

Despite rolling resistance only accounting for about 10 of the total resistance experienced by a typical ultra distance cyclist over an entire race different tire choices can make a significant impact on average cycling speed. Tubeless vs latex vs butyl tubes. Bicycle rolling resistance special articles.

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Bicycle Quarterly Issue Table Of Contents Rene Herse Content Cycle

Aerodynamics Of Real World Bicycles Bicycle World Rolling Resistance

Suspension Losses Rene Herse Cycles

Part 4a Rolling Resistance The History And Previous Works

Royal H Randonneur Bicycle Bike Accesories Urban Bicycle

Tire Pressure Take Home Rene Herse Cycles

Tubolito inner tube tests.

Bicycle quarterly rolling resistance. The folk at bicycle quarterly have found that vibrations slow you down when your tyres cannot deform adequately. I recommend buying this if you can find it. The drum is covered with diamond plate to simulate an average road surface. All bicycle tires are tested on a rolling resistance test machine with a 77 cm drum and a dc electric motor.

Tubeless sealant rolling resistance. 1 bicycle quarterly published an article which dealt with the results of rolling resistance tests performed on tires. Gp 5000 23 25 28 32 comparison. Marathon 32 37 40 47 comparison.

I subscribe to the magazine and read every article. I really enjoy it even though it s focused more on randonneuring than on racing bikes. We re talking about tyres that are running very high pressures or tyres with stiff sidewall casings or both. The thing that drum testing doesn t take into account is vibrations.

A steel drum indicates that higher pressures equate to lower rolling resistance. The results surprised many including lennard zinn who published comments on the article in velonews including notable is that rolling resistance is only a weak function of tire width. Rolling resistance is the energy lost by the tires deforming as the wheels turn. Gp 5000 endurance test.

Bicycle quarterly spring 2013 issue has an interesting selection of rolling resistance test data. The best road bike tires. Measurements are taken with an arduino microcontroller equipped with custom software and hardware.