Cliff
I have a 3/4hp on my 9" South Bend and it is more than adequate. I've taken 0.1" cuts in steel but that does make it work.
I looked up the Harrison, it looks like a pretty nice lathe.
Since it is a geared head lathe there is a fair amount of mass to get spinning so it might take a bit of power on startup. Once the lathe is spinning though 2 hp will allow for some pretty heavy cuts.
JohnW
--- In gingery_machines@yahoogroups.com, "clff_swan" <cwswan@...> wrote:
>
> I have been lurking for several years and have cast the gingery bed in aluminium but then stalled. Have cast a few other objects as I
> needed them but have always wanted to play with a lathe since taking a metal working class at school back in the 1970's.
> I just lucked out and ended up with a Harrison 300 metal lathe which has a 3-phase 575volt 3Hp motor driving the spindle. I need to convert to a single phase motor. A 3hp motor with the same frame size will cost about $600.00 but I found a 2hp motor for about half that. The question is-Will a 2 Hp motor give an adequate level of performance for home/ hobby use considering that the lathe has a spindle gear range of about 48rpm up to 2400rpm? The lathe is a 61/2inch (13 inch) by 24 inch size.
> I have absolutely no experience running a lathe but I suspect the smaller motor will work but will limit the size of cut I can take. Is that correct?
> Thanks for any input.
> Cliff Swan
>
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