Crank Mechanism Description and Specifications for Lab Tenders
The apparatus is intended to represent a
simple engine mechanism and may be used by the students for simple
experiments to investigate:
The relationship between the piston displacement and the crank angle for a given connecting rod/crank radius ratio.
The relationship between the turning moment on the crank shaft and the crank angle for a given force on the piston.
The piston is fitted with brass rollers
running on guide bars and needle roller bearings are fitted in the
connecting rod so that friction is reduced to a minimum.
A protractor is attached to the crank
which may be rotated on the beam balance arm and clamped in any
predetermined angular position.
A linear scale is attached to the piston guide so that the piston displacement can be measured.
The crank effort may be determined by attaching suitable masses to the beam balance arm.
Optional equipment :
The unit may be wall mounted or fitted to the Universal Bench Mounting Frame.
Dimensions and weight
Length : 540mm, Height : 270mm, Depth : 480mm
Net Weight : 14kg
A set of masses
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