The effect of cycle weight on climbing a hill[1]
user input My upright Trice Windcheetah Dragonflyer Recumbini Racer Lowfat Toxy ZR Kettwiesel
Cycle kg 9.0 16.0 15.8 15 17.8 10.9 15.0 16
Rider kg 59 59 59 59 59 59 59 59 59
Grade %: 15 15 15 15 15 15 15 15 15
Total wt[2] 68 75.0 74.8 59 74 76.8 69.9 74.0 75.0
Power W 180 180[3] 180 180 180 180 180 180 180
Answers Velocity: 17.0 15.4 15.4 19.5 15.6 15.0 16.5 15.6 15.4
1km time 3.54 3.90 3.89 3.07 3.85 4.00 3.64 3.85 3.90
5 km time[4] 17.70 19.52 19.47 15.35 19.26 19.99 18.19 19.26 19.52
[1]
Steve Collier:
aerodynamic and rolling resistance effects are not modelled. Efficiency assumed 95%
[2]
Steve Collier:
Weight of person plus cycle
[3]
Steve Collier:
Burke says the averge well-trained cyclist can produce between 0.25 and 0.4 hp continuously
[4]
Steve Collier:
up a constant hill up of grade%