Outboard Turning on a PM 90

  • Advertise with us

« back to Woodturning forum

Forum topic by Bill7255 posted 05-03-2015 01:48 PM 858 views 0 times favorited 4 replies Add to Favorites Watch
View Bill7255's profile


427 posts in 2310 days

05-03-2015 01:48 PM

I have a PM 90 lathe. It is the slower speed about 300 rpm at lowest setting. It does have the gap bed, but that only seems practical for platters. So the largest bowl I can turn is 12”. I would like to turn bowls around 16-18”. I do have the outboard faceplate. Does anyone turn outboard on the PM 90 and what are issues or suggestions. Another possibility would be to convert it to a PM 91. I know the original risers are about non existent and would need to use wood blocks and figure ou the banjo mod. Right now all I can do is plan due to broken shoulder, so any suggestions are welcome. A new lathe is out of the question for me.

-- Bill R

4 replies so far

View Woodknack's profile


11792 posts in 2406 days

#1 posted 05-03-2015 05:37 PM

That’s what the outboard spindle is for—turning larger diameters. You need a free standing tool rest.

-- Rick M,

View Wildwood's profile


2322 posts in 2160 days

#2 posted 05-03-2015 07:29 PM

Are those outboard facelates left hand threads that’s what you need?

Powermatic did sell a optional tri-pod tool rest stand which can see in the manuals. If patient might find one for sale. I would just make your own outboard tool rest/base.

-- Bill

View Bill7255's profile


427 posts in 2310 days

#3 posted 05-04-2015 10:35 AM

I have the correct face plate for the lathe. I think I need to make something for the tool rest because I have in floor radiant heat and can’t drill to mount the tri pod tool rest. Thinking of a 5 gal bucket with concrete with pipe. Just looking for any tips or suggestions.

-- Bill R

View Clouseau's profile


58 posts in 3058 days

#4 posted 05-06-2015 08:52 PM

Does your PM 90 have the jack shaft or is the bottom reeves drive mounted on the motor? If you have the jack shaft you can change to a smaller motor pulley and larger jack shaft pulley and get the slowest speeds. PM 90 will need to be bolted to the floor or the bottom of the cabinet filled with sand and/or scrap wheel weights. You might get by with a large (thick concrete truck) brake drum for the base of an outboard unit. Some of the drums are very thick and tall. Find the smallest diameter you can or plan on mounting the pedestal off center. Whatever you weld up for a pedestal, it will need to be bolted to the drum, because welding to it is near impossible.
Dan Coleman

-- Dan Coleman, retired Welding Inspector and past IA Teacher

Have your say...

You must be signed in to reply.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics