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Another "watch out" is that German (and many European) drawings use a different view convention than is used in the USA. To a USA person, the "Right View" is actually the Left and vice versa. There is often a small symbol in the title block showing views of a tapered pin which makes the view...

Just to clarify: the 180V rating indicates this is a DC motor. 220V DC motor controllers are able to come up with about 180 VDC after some losses in making the DC. (120VAC input controllers deliver 90 VDC output). I don't think you want to try to run it on AC power, unless the nameplate clearly...

Hello Gary, Not sure how deep you want to go into this, but here's a starter. VFD's make use of the fact that a standard induction AC motor will try to match the "synchronis" speed for which it is wired. In the US, at 60 Hz, 2 pole motors try to run 3600 rpm, 4 pole motors try to run 1800 rpm...

There are some fairly quick and easy ways to determine if the lathe is still "in alignment." First, confirm that the tailstock is in alignment with the head. There are several methods to do this - I will not go into them here. Next, set up a piece of round stock between centers using freshly...

Thanks for posting. Great movie showing how it used to be done - and in some cases it still is done. Interesting to note the safety concerns of the time. Men pouring iron and steel with no face shields, gloves, or any type of visible protective gear. Terry S.

Traditional wisdom is that you really cannot "oversize" a flywheel as long as you do not exceed the wheel strength vs centrifugal force issue. (Usually not an issue on model sized engines). If the engine is rough, you might need more inertia, not less. Having said that, like Tin Falcon says...

Beautiful piece of work Juan. Is that a condenser between the engine and boiler? Looks like the exhaust piping runs into it, and I don't see any steam exhaust when running. Maybe I am missing something. If it is a condeser, can you tell us more about the design. Best Regards, Terry S.