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Forum topic by therookie posted 08-25-2011 04:43 AM 1090 views 0 times favorited 8 replies Add to Favorites Watch
View therookie's profile


887 posts in 2795 days

08-25-2011 04:43 AM

I just got a great deal in my personal opinion. I bought a 2001 grizzly 24” planer with a 7.5hp three phase motor and got it for $800 it needs a couple of bearings and it came with five sets of blades. My questions are as follows:
1. Does anyone else have one?
2. Where can I get blades grizzly only sells 24” blades in sets of four now
3. Where is the beat place to get a single phase motor in a 7.5 hp rating for under $750?

Any help would be great.


8 replies so far

View lew's profile


12019 posts in 3723 days

#1 posted 08-25-2011 04:52 AM

I’m not sure you can get a single phase 7.5 hp motor. Some years ago, I bought a scuba compressor and the largest single phase motor at that time was 5 hp.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View ShaneA's profile


6910 posts in 2566 days

#2 posted 08-25-2011 05:03 AM

Holy smokes…24”? Did you need a forklift to get it into your shop? I dont know anything about the 3 phase aspect, but I bet that badboy is plenty power hungry. Good luck getting it going, i am seeing a blackout in the neighborhood when you flip it on.

View tomd's profile


2149 posts in 3738 days

#3 posted 08-25-2011 05:26 AM

Your best bet might be to purchase a phase converter. That’s the trouble with large 3 phase motors the converter could cost as much as the machine. If your shop is in a commerical area you might beable to get 3phase installed.

-- Tom D

View GaryL's profile


1099 posts in 2798 days

#4 posted 08-25-2011 01:36 PM

By the time your all said and done you may have 2 grand into it with a 10hp phase converter (you always need to go more than the rating for the motor), bearing replacements, wiring, chiropractor, etc.
probably would have been better off buying a new 15”.
Good luck setting it up. That will be an awesome machine when you get it going.

-- Gary; Marysville, MI...Involve your children in your projects as much as possible, the return is priceless.

View therookie's profile


887 posts in 2795 days

#5 posted 08-25-2011 02:00 PM

well thanks for the responses, we did need a forklift, and my dad said that I can use the phase converter in his shop to run it. (He has a metalworking shop with a 20hp converter) We are going to hook the planer into his 30kva transformer that he got with his milling machine so that it can be run on 440. I was talking with him last night, and he said that the motors have gotton so expensive that it will be better to wait until a deal pops up and then we can get a single phase motor. But for the three plugs I need and the wire I will have a total of about $1000 in it which is cheaper in the long run than a 15 inch because now I can do some wide panels and table tops to get them thicknessed. Thats why I bought the size I did gary. Thanks all


View Bertha's profile


13521 posts in 2661 days

#6 posted 08-25-2011 02:08 PM

It sounds like you’ve got the power covered. Why are you still looking at a 1ph replacement? I’ve never seen a 1ph that big. That’s an awesome machine.

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

View therookie's profile


887 posts in 2795 days

#7 posted 08-25-2011 11:50 PM

@cr1 whats a VFD drive?


View getlostinwood's profile


224 posts in 2570 days

#8 posted 08-26-2011 03:29 AM

Factorymation Here is the link to the VFD I purchased and a video of how it functions on my saw. I looked but not sure of your set up so cant recommend the exact VFD, but I can say that it is the only way I would setup a three phase unit is a residential shop. Call the reps at Factorymation, they literally talked me through the wiring process on my saw and even celebrated a little on the phone with me when it fired up.

-- The basis for optimism is shear terror

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