Home |
Search |
Today's Posts |
|
Woodturning (rec.crafts.woodturning) To discuss tools, techniques, styles, materials, shows and competitions, education and educational materials related to woodturning. All skill levels are welcome, from art turners to production turners, beginners to masters. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
#1
Posted to rec.crafts.woodturning
|
|||
|
|||
1944 oliver
looks well used but same owner for last 29 years
https://olympic.craigslist.org/hvo/6013232421.html plus everything else goes with it including the wood a steal at 2500 for someone that has the room and equipment to move it |
#2
Posted to rec.crafts.woodturning
|
|||
|
|||
1944 oliver
https://olympic.craigslist.org/hvo/6013232421.html I don't know. I know everyone talks about how great things were 50-60-70 years ago. And maybe simple things were built better back then with more labor quality and raw material quality. But anything with any sophistication to it, I'll take modern over old. 1960s-1970s car or 2010 car? I think a lathe fits into the sophisticated category. An electric motor makes it sophisticated. The one on this lathe says 2hp, 7.7 amps, and 400/2000 rpm. Not sure how the rpm works with two speeds. A motor would not specify two pulleys. 12 or 16 inch swing? I think you would be better off with a comparable priced new Jet lathe. Or finding a Rikon/Woodfast which is basically identical to this except variable speed. Or save a few more dollars and get the Powermatic 3520. Its only an extra $1500 right now. |
#3
Posted to rec.crafts.woodturning
|
|||
|
|||
1944 oliver
On Mon, 13 Mar 2017 19:08:44 -0700 (PDT)
" wrote: 1960s-1970s car or 2010 car? I think a lathe fits into the sophisticated category. An electric motor makes it sophisticated. The one on this lathe says 2hp, 7.7 amps, and 400/2000 rpm. Not sure how the rpm works with two speeds. A motor would not specify two not sure how the speed is controlled the controller does not reveal how it works to me pulleys. 12 or 16 inch swing? I think you would be better off with try the outboard setup and turn 6 foot bowls like the ad says a comparable priced new Jet lathe. Or finding a Rikon/Woodfast which is basically identical to this except variable speed. Or save a few they are not identical since the oliver is built like a tank this kind of lathe is not for someone that would buy a jet lathe this guy has several oliver lathes http://rogturning.com/gallery http://rogturning.com/yahoo_site_adm...1658_large.JPG these oliver lathes are in a class alone maybe robust and oneway comes close but you know what they say about close |
#4
Posted to rec.crafts.woodturning
|
|||
|
|||
1944 oliver
On a lathe this old and being a speed controller - it is :
1. mechanical I say no. 2. Thyratrons running two for control of AC rectification and power control. It might be powered by them and driven by a pulse width signal that drives more or less current. Pulse-width-modulation... (the beginning of the SCR controllers SS Thyratrons and frequency controlled motors.) I'd expect the latter since it is a DC motor with a speed control. I'd not worry much as long as it can be demonstrated running.... I have some 1000 amp Thyratrons - and made a Flip-Flop that pulsed the units on/off automatically and it was a light show and fun. Martin On 3/16/2017 6:38 PM, Electric Comet wrote: On Mon, 13 Mar 2017 19:08:44 -0700 (PDT) " wrote: 1960s-1970s car or 2010 car? I think a lathe fits into the sophisticated category. An electric motor makes it sophisticated. The one on this lathe says 2hp, 7.7 amps, and 400/2000 rpm. Not sure how the rpm works with two speeds. A motor would not specify two not sure how the speed is controlled the controller does not reveal how it works to me pulleys. 12 or 16 inch swing? I think you would be better off with try the outboard setup and turn 6 foot bowls like the ad says a comparable priced new Jet lathe. Or finding a Rikon/Woodfast which is basically identical to this except variable speed. Or save a few they are not identical since the oliver is built like a tank this kind of lathe is not for someone that would buy a jet lathe this guy has several oliver lathes http://rogturning.com/gallery http://rogturning.com/yahoo_site_adm...1658_large.JPG these oliver lathes are in a class alone maybe robust and oneway comes close but you know what they say about close |
#5
Posted to rec.crafts.woodturning
|
|||
|
|||
1944 oliver
On Thu, 16 Mar 2017 21:30:15 -0500
Martin Eastburn wrote: I'd expect the latter since it is a DC motor with a speed control. why not just slip pulleys a.k.a. reeves drive thyratron sounds pretty exotic for a wood lathe |
#6
Posted to rec.crafts.woodturning
|
|||
|
|||
1944 oliver
The large motor likely has to much for slip.
If you mean a CONE pulley on both sides - likely. Then why not an AC drive. If slip - why not a AC drive. No need for DC motor if not electronic speed control. Those were in use at that time. AC motors are lower cost than DC. Martin On 3/18/2017 6:36 PM, Electric Comet wrote: On Thu, 16 Mar 2017 21:30:15 -0500 Martin Eastburn wrote: I'd expect the latter since it is a DC motor with a speed control. why not just slip pulleys a.k.a. reeves drive thyratron sounds pretty exotic for a wood lathe |
#7
Posted to rec.crafts.woodturning
|
|||
|
|||
1944 oliver
On Sun, 19 Mar 2017 20:52:33 -0500
Martin Eastburn wrote: The large motor likely has to much for slip. If you mean a CONE pulley on both sides - likely. Then why not an AC drive. If slip - why not a AC drive. No need for DC motor if not electronic speed control. Those were in use at that time. AC motors are lower cost than DC. good points and questions oliver may have drawings still of the mechanism the motor maker is still doing business and looks to be high quality stuff blurb says motors up to 20,000hp http://louisallis.com/ also the lathe was made in late 1940 according to the serial number |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
O/T: June 6, 1944 | Woodworking | |||
O/T: 06/06/1944 | Woodworking | |||
FS 1944 Delta Jointer / Table Saw Combo $550 | Woodworking | |||
SF Chronicle on Will Dahlgren (1944-2005) | Metalworking | |||
FS: 1944 "Sheet Metal Theory & Practice" book | Metalworking |