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Author Topic: 10hp electric or 20hp gas?  (Read 21784 times)

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Offline hackberry jake

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10hp electric or 20hp gas?
« on: December 16, 2014, 05:42:53 PM »
I came across a 10hp single phase electric motor. Should I switch it out with my 20hp honda? What would you do?
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EZ Boardwalk Jr. With 20hp Honda, 25' of track, and homemade setworks. 32x18 sawshed. 24x40 insulated shop. 30hp kubota with fel. 1978 Massey ferguson 230.

Offline Ga Mtn Man

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Re: 10hp electric or 20hp gas?
« Reply #1 on: December 16, 2014, 05:48:13 PM »
In your situation, I'd switch.
"If the women don't find you handsome they should at least find you handy." - Red Green


2012 LT40HDG29 with "Superized" hydraulics,  2 LogRite cant hooks, home-built log arch.

Offline tmarch

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Re: 10hp electric or 20hp gas?
« Reply #2 on: December 16, 2014, 07:31:20 PM »
I came across a 10hp single phase electric motor. Should I switch it out with my 20hp honda? What would you do?
Without knowing your electrical costs that would be hard to answer.  My electric costs .18 per KWH, no way can I convert my saw to electric, diesel maybe tho.
Retired to the ranch, saw, and sell solar pumps.

Offline dgdrls

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Re: 10hp electric or 20hp gas?
« Reply #3 on: December 16, 2014, 07:50:02 PM »
As I recall You will need about 7 amps/HP to run 220v single phase electric motor.
So your gonna need some juice, 

You can estimate power consumption $$$ here.
http://www.cornhusker-power.com/operatingcosts.asp

I would say three Phase yes,  single??  you have to crunch the numbers.

Best
DGDrls

Offline ozarkgem

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Re: 10hp electric or 20hp gas?
« Reply #4 on: December 16, 2014, 07:52:18 PM »
electric will be cheaper I bet. I have 20 HP electric on mine.
Mighty Mite Band Mill, Case Backhoe, 763 Bobcat, Ford 3400 w/FEL , 1962 Ford 4000, Int dump truck, Clark forklift, lots of trailers. Stihl 046 Magnum, 029 Stihl. complete machine shop to keep everything going.

Offline lineguy82

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Re: 10hp electric or 20hp gas?
« Reply #5 on: December 16, 2014, 09:16:30 PM »
You've gotta factor your time and maintinence costs in too. Electric motors usually give far less problems than gas or diesel. Your parts cost and whatever you figure your time wrenching on something is worth is nearly non-existent on a electric motor. If you have the load capacity, I say go for it...unless you have a insanely high kWh rate.

P. S. If you're in a demand meter situation, that plays a big part also
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Offline hackberry jake

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Re: 10hp electric or 20hp gas?
« Reply #6 on: December 16, 2014, 09:41:34 PM »
I live in a fairly cheap area for kwh. Think I will see much of a reduction in power?
https://www.facebook.com/TripleTreeWoodworks

EZ Boardwalk Jr. With 20hp Honda, 25' of track, and homemade setworks. 32x18 sawshed. 24x40 insulated shop. 30hp kubota with fel. 1978 Massey ferguson 230.

Offline Larry

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Re: 10hp electric or 20hp gas?
« Reply #7 on: December 16, 2014, 09:46:49 PM »
I think they will be close to the same.  It would take me about two seconds to go electric.  No gas, oil, noise, fumes, get rid of the battery maybe, no noise, and no noise.
Larry, making useful and beautiful things out of the most environmental friendly material on the planet.

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Online Chuck White

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Re: 10hp electric or 20hp gas?
« Reply #8 on: December 16, 2014, 10:07:01 PM »
I was thinking that as long as you're stationary and it's a toss-up between gasoline engine and electric motor, you would have to consider gas, oil, filters, and upkeep on the engine vs electric.
~Chuck~
Retired USAF 1989, Retired School Bus Driver 2012, now semi-retired Mobile Sawyer
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Offline WIwoodworker

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Re: 10hp electric or 20hp gas?
« Reply #9 on: December 16, 2014, 10:13:08 PM »
I'd keep the gas motor until it needed to be replaced. Then replace with electric.
Peterson 9" WPF

Offline Swatson

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Re: 10hp electric or 20hp gas?
« Reply #10 on: December 16, 2014, 10:14:10 PM »
Electric motors are real easy to start in cold weather... :D
I cant figure out which one I like better: working with wood or making the tools to work with wood.

Offline hackberry jake

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Re: 10hp electric or 20hp gas?
« Reply #11 on: December 16, 2014, 10:24:05 PM »
Electric motors are real easy to start in cold weather... :D
Unless they are hooked onto a hydraulic pump...  smiley_hourglass
https://www.facebook.com/TripleTreeWoodworks

EZ Boardwalk Jr. With 20hp Honda, 25' of track, and homemade setworks. 32x18 sawshed. 24x40 insulated shop. 30hp kubota with fel. 1978 Massey ferguson 230.

Offline Swatson

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Re: 10hp electric or 20hp gas?
« Reply #12 on: December 16, 2014, 10:39:03 PM »
Ah you got me there...come to think of it my air compressor is a bit finicky in cold weather as well.  I still have the 5 hp single phase I took off my old mill, I need to find a project to use it on.  I was quite impressed with what it could do (but the diesel is awesome).  I did have to upgrade to a 60 amp double breaker to run it.  I did not use a clutch on it when I had it.  It might have been better for the motor to have one but it had enough power to start the whole works from a dead stop.   

Does the 20 hp motor a have a centrifugal start or capacitor only?
I cant figure out which one I like better: working with wood or making the tools to work with wood.

Offline hackberry jake

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Re: 10hp electric or 20hp gas?
« Reply #13 on: December 16, 2014, 11:23:16 PM »

Does the 20 hp motor a have a centrifugal start or capacitor only?

 say_what
The mill is set up with an over-cam type lever to engauge the gasoline 20 hp. The electric 10hp I imagine will use the same engauge method. It is capacitor start.
https://www.facebook.com/TripleTreeWoodworks

EZ Boardwalk Jr. With 20hp Honda, 25' of track, and homemade setworks. 32x18 sawshed. 24x40 insulated shop. 30hp kubota with fel. 1978 Massey ferguson 230.

Offline Swatson

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Re: 10hp electric or 20hp gas?
« Reply #14 on: December 16, 2014, 11:27:19 PM »
That's good.  Capacitor start motors generally start with a lot more torque than a switch type. 
I cant figure out which one I like better: working with wood or making the tools to work with wood.

Offline ozarkgem

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Re: 10hp electric or 20hp gas?
« Reply #15 on: December 17, 2014, 06:16:15 AM »
Electric motors are real easy to start in cold weather... :D
Unless they are hooked onto a hydraulic pump...  smiley_hourglass
Mine is hooked to a hydraulic pump. It has to be pretty cold for hyd oil to be a problem. My BIL has an LT 40 and put a 10 HP single phase motor on it about 6 yrs ago and couldn't be happier. Saws just a fast as the Onan gas did. GO ELECTRIC. The thing is if you don't like you can always put the Honda back on and sell me your electric motor. ;)
Mighty Mite Band Mill, Case Backhoe, 763 Bobcat, Ford 3400 w/FEL , 1962 Ford 4000, Int dump truck, Clark forklift, lots of trailers. Stihl 046 Magnum, 029 Stihl. complete machine shop to keep everything going.

Offline bandmiller2

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Re: 10hp electric or 20hp gas?
« Reply #16 on: December 17, 2014, 07:22:58 AM »
Jake, if you have the KW's to run that sucker have at it, electric motors are by far the best mill power. You should have the base rock like your gas engine so you can start no load and let it run between cuts as starting draws a lot of current. that motor is the equal of a 25 to 30 hp gas engine at least in practice. Electric motors have a lot of torque and will hold band speed in a cut. Frank C.
A man armed with common sense is packing a big piece

Offline customsawyer

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Re: 10hp electric or 20hp gas?
« Reply #17 on: December 19, 2014, 04:20:27 AM »
Switch them. You won't regret it.
Two LT70s, Nyle L200 kiln, 4 head planer, 30" double surface planer, Lucus dedicated slaber, Slabmizer, and enough rolling stock and chainsaws to keep it all running.
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Offline FarmingSawyer

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Re: 10hp electric or 20hp gas?
« Reply #18 on: December 19, 2014, 05:02:47 AM »
popcorn_smiley  Keep up posted on how you go! I'd consider going electric if my mill were fixed.....
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Offline Glenn1

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Re: 10hp electric or 20hp gas?
« Reply #19 on: December 19, 2014, 09:31:27 AM »
I don't mean to hijack this post my question is using a larger electric motor than the manufacturer offers.  Baker, Norwood offer 10HP electric and I think that WM and Cooks do too.  There 10HP are single phase and I have access to 15-20HP electrics in three phase configuration.  I would be using a rotary converter.  Would there be any benefits such as a quicker cut or more torque.  Are there any other  benefits?  On the downside, I know that I would be using more kilowatts.  Are there downsides like voiding the warranty?
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