The Instrument is made up of a base onto which the bearing holders and drive motor are mounted, and bearings that can be put into holders to meet the end requirements for test shafts, namely both end fixed and one end free, one end fixed. The driving motor was controlled by a variance. The device illustrates the phenomenon of several shafts rotating around a single rotor. The unit simply illustrates the principle because the test is destructive and cannot be utilized afterward. In contrast to those with bare shafts, the results are, nonetheless, closer to theory. Additionally, it can be shown that the shaft resumes running true after reaching spinning speed.
Experimental Objectives
To study the effect of varying the mass of central sleeve for porter and proel governors.
To study the effect of varying initial spring compression for Hartnell governor
Determination of characteristics curves of sleeve position against speed for all governors.
Specification
Test shaft – 4.75 mm, 6.35 mm and 7.9 mm – 2 each.
Bearing to provided end conditions, (a) Both ends fixed, (b) One end fixed and one end free.
Drive motor 1/8 HP, 1500 rpm with control arrangement.
The whole unit is mounted on a sturdy base.
Rotor for each shaft of suitable size.
A technical manual accompanies the unit.
Required Other Items but not Included with above supply
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