Determine the max torque that can be applied to a bicycle crank arm . A fillet exists on the wall with a radius of 1/10". Please list any other assumtions you made to complete the problem. 1. assuming torque is only applied when pedal pushed do

Determine the max torque that can be applied to a bicycle crank arm . A fillet exists on the wall with a radius of 1/10". Please list any other assumtions you made to complete the problem. 1. assuming torque is only applied when pedal pushed do

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter12: Electric Current And Related Variables In Engineering

Section12.2: Electrical Circuits And Components

Problem 6BYG

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Concept explainers

Laws of Equilibrium

A body is said to be in equilibrium if the system of forces acting on the body tends to keep the body at rest, in other words, there is no translation motion or net torque on the body. Under such conditions, the equilibrium conditions are to be applied to analyze the condition. The branch of mechanics that deals with this condition is known as 'statics'. Under equilibrium, there are no net forces on the body.

Question

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Determine the max torque that can be applied to a bicycle crank arm . A fillet exists on the wall with a radius of 1/10". Please list any other assumtions you made to complete the problem.

1. assuming torque is only applied when pedal pushed down

2. assume constant torque for full rotation

Assume : Sut = 90kpsi, Sy = 50kpsi, Kf = Kfs = 1.7 , kd = ke = kf = 1

Fmin = 50 lbf
Fmax = 250 lbf
C
2"
10",
A
B
1"
1"
I- 0.049 in
J-0.098 in

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