Help choosing a motor for a Coote setup?

Haley Bell

Haley Bell

Joined
Mar 10, 2008
Messages
62
Well I've searched my little heart out in the archives but still have some questions if anyone has the time to answer them. :confused:

It's time to get a new grinder, thank heaven, and I'm wavering between a coote and Log Cabin Forge. Either way I'll need to get my own motor if I want a 2hp.

From my own use and the advice of friends my dream machine would be 220v 2hp variable speed but beyond that I'm a little lost.

What does capacitor start/capacitor run mean and do I want it/them?

foot mounted vs. resilient base

enclosed fan cooled?

single phase, three phase, split phase?



I'm afraid it's all greek to me.

HB
 
I say just get a 1.5-2HP 1 (SINGLE PHASE) Motor. Unless you have 3 PHASE running to your house (which is highly unlikely!) in 220volt. I think 3 PHASE is generally more like industrial buildings and such.

You want a TEFC (Totally Enclosed FAN COOLED) Motor, otherwise there will definitely be crap like metal particles flying into your motor and shortening the life of it. The fan keeps it cool :)

No idea about the capacitor thingy.

Foot mounted and base? No idea.

I'm sure someone will know.

1.50-2HP TEFC Motor in 110/220 volt. You can either get step pullies direct from Norm Coote or somewhere else. It will basically give you three speeds.
I would personally get the 1725RPM Motor, but that's just me. You can hook a piece of steel fairly quickly even at the slowest speeds with the pullies on teh 1725RPM Motor. Imagine what 3450RPM Motor would do at whatever crazy SFPM. Some will agree with me, and some will think that is too slow with the 1725. Up to you.

You can purchase a motor from say Grizzly.com or Baldor or even Harbor Freight. You'll probably want to get one with a 5/8" shaft if using step pullies form Norm Coote. Not sure if he carries pullies with larger or smaller shaft sizes. If you buy one from him, he will even explain to you what you need.
 
capacitor start/run uses a cap to start and run. you can onley adjust the speed with pullys. 3ph motors need a vfd to control speed.
 
a 3hp set up with a VFD is considered the holy grail of grinder power. you would need a 220v outlet to power the vfd which controlls the motor. a vfd is a variable frequency drive, it turns 1ph 220v into 3ph 220v and allows you to adjust the HZ between phases which controls the speed. 3ph motors are cheep but VFD's arnt.
 
The VFD acts as a phase converter, but you can run a phase converter and step pulleys. It's just kind of silly since you'll usually sacrifice quite a bit of power with a static phase converter like a phase-o-matic. So, unless you're going to get a VFD then Leu is right, a single phase motor is a better choice.

You don't have to have 220 to run a VFD.
 
Thanks for info guys. I'm kinda lucky in the power department, since I live out in the boonies we have our own generator so 220 is available. My new shop is right next to my Dad's so he says I can use his mondo genny for bigger tools. (Maybe that's because last time he was gone I cooked the wiring on the house power with my plasma cutter, :D ooops.) Spent the next day and a half having him walk me through on the phone how to untangle and rewire the melted mess, before the freezers thawed out. Clearly electrical isn't my forte,:confused: So once again thanks:)

So am I understanding it right that cap/run start is never variable speed?

Are all motors created equal or do you get what you pay for? My experience with Harbor Freight has been cheap but not the greatest quality for instance.
 
balder makes a very good motor. thats what i have is a balder 1.5 hp water proof TEFC motor on my NWG. i also have a Water proof 5hp 3ph 220v emerson motor that is waiting for a VFD. dont go with HF get good stuff
 
Rob's 1.5HP VFD setup can be run on 110 or 220. You probably have to run a motor that can be wired either way, which is the case with many motors in the sub-3hp range. Someone more experienced than me can answer the question in more detail.
 
hu cool ok. i just thought a 120 3ph motor would be pointless but if you want speed control then its great.
 
Hi Haley, my name is Bryan Breeden and I live in Fairbury Nebraska. I just went through what you ae wanting info on. I have a coote that I got less than a month ago. My motor is a Leeson 2hp enclosed fan cooled 3 phase
with a Leeson varible speed set up to not run over what Norm coote says
to run at the highest rpm speed. It is pretty awsome. I also got the cermaic platen and the 9" sanding disk, and the knife rest that Norm offers. Rich Daubendiek set it up for me. The only reason I got the Coote grinder is a couple of months back I met Knife maker David Sloan and he told me if he could do it all over again on getting a grinder for knife making he would have got a coote to start with. So that is what I did. David told me about Rich to get the motor and varible speed set up. Rich is the motor guru in our area.
If you were here and you asked anyone about getting a motor and stuff poeple would tell you talk to rich. I have used the wilton and a bader
( Dave has both ) and the time to set up and get going is quicker and easyer with the coote. To go from the 8" wheel to the the flat platen is a breeze I am glad that I took Dave's advise. The wilton and bader a fine
machines but after using the coote and the two others I would take the coote. I have not got to use a kmg,bur king, Kalamazoo or the bob dozier but any ways for just starting out I am glad I got the coote. I also looked
all over the internet for info too and just recently too. So I hope this helps you in your search. If you have any questions you can con tact me a
tacklebreeden@yahoo.com or here too. And if you would like to talk to Rich
Here is his number 800-348-8048. Rich could tell you alot more than me about it.
Here are a couple of pics

100_0393.jpg


100_0394.jpg




Hope this helps Haley,
Bryan
 
Thanks Bryan, that info helps alot, and for taking the time to add pics, I do better with visuals:)

It sounds like you found just about what I'm looking for, are you running that off 220v then?
 
Hi Haley, yes I am running off 220v. No poblem on the pic it just took a few min.
to do.
Take care Haley,
Bryan
 
You must log in or register to reply here.
Back
Top