# Question: design a fourbar grashof crankrocker to give 80 degrees of...

###### Question details

Design a fourbar Grashof crank-rocker to give **80
DEGREES** of rocker rotation with equal time forward and
back, from a constant speed motor input. Show your graphical
construction, and give the full design specification (four link
lengths).

-Check that it is a Grashof Class 1 linkage.

-Determine the transmission angles in the two extreme positions of the rocker.

-Determine the worst case transmission angle.

Kinematics Class