Speed Control

Steve it should be possible but you will need to change the Motor to a

3 Phase Motor which while you are doing this you may wish to increase the Power from the 1/3rd HP upto say a 1/2HP.

I notice that 1/3rd HP Motors come in Frame Size 63 and 71 whereas

1/2HP Motors are generally available as Frame Size 71, this refers to the height to the centre of the Shaft in mm.

Also Frame 63 Motors have a 11mm Dia. shaft whereas Frame 71 are with a

14mm shaft.

So there are a number of issues to take into consideration.

Any larger and you may also have to think about the Pulley Bore and Motor Fixing/Mounting.

I did an upgrade on my Hegner and have included the process in the Hints & Tips Section of my WEB Site.

Richard

Possible with DC motors. I know that (at least one) AC motors can be damaged when connected to speed controls. I have a variable speed, plus a reseversing switch, on my DC motor--it's great.