Whoever built it tried to re-engineer the design of the crankshaft, and failed miserably. This engine’s crankshaft was threaded into the crank webs rather than pinned. These engines use built up crankshafts, rather than shafts machined from a single piece of metal. Not only was it the wrong size, but it was built wrong. found one of these engines rattled terribly. It sounds strange, but has found this to be a rule over his years of working with these engines.Īnother problem is rattles. If you find nuts, bolts and random parts painted in different colors, the engine is probably bad. Keith goes on to show some of the common failures he’s found while working on these wonderous little machines.įirst off is the paint. In this pair of videos, he takes us through troubleshooting two engines. This means the quality of the model is only as good as the original owner’s machining and fabrication skills. The problem with these engines is the fact that many of them were sold as rough casting kits. Many of us have seen old steam engine models up for sale at garage sales and various internet auction sites. Model steam engines have intrigued hackers and makers for over 100 years.
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