"Mine works in five different positions on a crank arm."

Therefore, given the stroke, the length of the crank arm can be determined.

Draw the crank arm pivot point anywhere on this ground level.

A steady turning of the crank arm at constant revolutions.

It carries the pedal body and threads into the crank arm.

Do you have any tips for removing a pedal that's stuck in the crank arm?

This newly drawn circle represents the potential motion of the crank arm.

Instead, the system uses a directly linked crank arm to the respective servos.

If the crank arm turned while I advanced the film, I knew all was well.

Next, from the free point on the crank arm, draw the follower link using its measured or given length.

The most common modern cranks have an integrated spider on the drive-side crank arm.

At least one manufacturer offers a crankset in which the crank arms may rotate independently.

Possible disadvantages from comparable straight crank arms include more weight and more flex.

"Get your crank arms horizontal," Dave said, meaning both pedals should be level, in the mid-position.

Provided you do not have any structural/alignment problems with your feet, they should point directly forward when in the pedals (parallel to the crank arms).

A left side drive crank arm.

Schleck uses 172.5mm crank arms on his bike, which are considered small for a man of his height.

To measure torque, strain gages which are precisely laid along the left crank arm.

These gages detect the flex of the crank arm when a downward force is applies.

The crank arm is connected to the walking beam by means of pitman arm.

Consumers were advised to stop using the bicycles and return them for a non-drive crank arm which will be installed free of charge.

Place front wheel over left hand crank arm, so that crank passes between spokes.

This ground level is the axis on which both the crank arm pivot-point and the slider pin are positioned.

Q Factor is a function of both the bottom bracket width (axle length) and the crank arms.

The rider's feet are perfectly flat on the pedals with the crank arms perpendicular with the ground.