Fabrication Of Chainless Bicycle

Fabrication Of Chainless Bicycle
Author(s):
Soundar.R, Pravin Kumar.M, Sivanantha Selvan.C, SundraMoorthy.M, Vinoth Kumar.S
Keywords:
Bevel gears, drive shaft, shaft driven bicycle
Abstract
The conventional bicycle employs the chain drive to transmit power from pedal to the rear wheel and it requires accurate mounting & alignment for proper working. The least misalignment will result in chain dropping. So this problem can be overcome by introducing the shaft drive system. This project includes design and fabrication of shaft driven bicycle. In this project, two spiral bevel gears are used at the pedal side and two straight bevel gears are used at rear wheel side. The drive shaft has two gears mounted one at each end. One is spiral bevel pinion at pedal end and one is straight bevel pinion at the rear wheel end. The use of bevel gears allows the axis of the drive torque from the pedals to be turned through 90 degrees. The bevel gear at the rear end of drive shaft then meshes with a bevel gear rear wheel hub where the rear the flywheel unit would be on a conventional bicycle and canceling out the first drive torque change of axis.
Article Details
Unique Paper ID: 154739 Publication Volume & Issue: Volume 8, Issue 12 Page(s): 262 - 265
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