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Originally Posted by Private_collector
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Żes that's the idea but I made one myself and you can too.
re the slowing down of the motor, it's a 240V single phase induction motor and if you use one of those light dimmers the motor will heat up and possibly be damaged .
You could use a 3 phase motor and buy a 3 phase inverter , I use them on my lathes and they work great ... they are available on ebay about 150$ for a 3hp unit . The inverter has variable speed control for the motor , basically its a microprocessor controller with software that has many parameters you can change eg ramp up/down speed and much more. The inverter runs from 240 V single phase and generates 3 phase 240V . The most common brand is HUANYANG .