A Tandem Compound Mill Engine PART 4

With the flywheel and crankshaft together, they need bearings and supports before we can make them rotate. The two main bearings are connected only by the engine bed and the foundations of the engine house which, in full size, were necessarily massive. For the model the base will be plywood or MDF with the castings held down with studs. Each end of the shaft is carried by a bronze bearing split horizontally; in full size these were in four parts and adjustable for wear in both vertical and horizontal planes but this isn't reproduced in the model. The bearings are supported in rectangular slots in the cast iron baseplate at the crank end and in an outer upstand and these are provided with an oil reservoir and an oiling ring…

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Model Engineer (Digital) - 1 Issue, Issue 4753

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