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Fairbanks ZC-118 & 208 Horsepower Curves


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  #1  
Old 04-20-2011, 11:12:59 AM
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Question Fairbanks ZC-118 & 208 Horsepower Curves

Anybody know where I can get torque and horsepower curves for a ZC-118 & 208? They'll be running on natural gas and propane.
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Old 04-20-2011, 04:46:00 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

http://www.arrowengine.com/media/fairbanksPartsBook.pdf scroll down the hp ratings are there.
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Old 04-20-2011, 06:34:37 PM
Pete Nichols Pete Nichols is offline
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

Rex,
Your 118 is : 4-9 hp, rpm range is 500-700, torque is 68 ft. lbs.

The 208 is :6 -12 hp , rpm range is 400 -675, torque is 94 ft. lbs.

Pete

Thats what the book says .

Last edited by Pete Nichols; 04-20-2011 at 07:15:23 PM.
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Old 04-20-2011, 07:03:17 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

IMHO there has never been a 118 that has made 5 hp let alone 9. You run one 700 rpm you're taking a big risk. I'd say 3-4 hp max on the 118 and maybe 7-8 on the 208. Try to keep the RPM's under 500 on either. I don't have a clue on torque. What is the application?
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Old 04-20-2011, 07:25:47 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

These are for backup generators.

I've received scans from the original FM documents. The charts show horsepower and torque curves which aren't very curvy at all. There are also points on the charts indicated for best performance and fuel consumption. These are large files and I'll have to figure out how to extract them from the PDFs to small images I can post them here.

Last edited by Rex Piekarczyk; 04-20-2011 at 07:55:08 PM.
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Old 04-20-2011, 09:12:06 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

Is there a recommended HP in the generator manual?

In my opinion again, slow speed gas engines don't make a great power plant for a generator as most generators need to see much higher RPM's causing the engine to be loaded.

Using these gas engines on oil wells we've found it's best to only use 60% of any rated HP. The poor engine will last much longer that way 24-7.
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Old 04-21-2011, 06:34:43 AM
Trd Harper Trd Harper is offline
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Post Re: Fairbanks ZC-118 & 208 Horsepower Curves

Quote:
Originally Posted by Rex Piekarczyk View Post
These are for backup generators.

I've received scans from the original FM documents. The charts show horsepower and torque curves which aren't very curvy at all. There are also points on the charts indicated for best performance and fuel consumption. These are large files and I'll have to figure out how to extract them from the PDFs to small images I can post them here.
Rex, You should be able to post a link to the PDF file.
I have read a lot of original FM literature on the ZC engines but have never seen any torque figures but would certainly like to. I have a ZC 739 and a ZC 346.
Ted
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Old 04-21-2011, 07:26:43 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

No idea how to link a PDF.

---------- Post added at 06:26 PM ---------- Previous post was at 06:12 PM ----------

Quote:
Originally Posted by Reed Engine View Post
Is there a recommended HP in the generator manual?
@2HP per KW seems to be the general rule.
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Old 04-21-2011, 08:52:38 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

Then I'd use 60% of the rated hp to get there. A 118 would do 3 hp ok, so that's 1.5 KV. Not much of a generator. This is why I don't think these engines work well for this application.

I personally own several FM's of all sizes. I have a couple of 346's and I've been planning on using one of them on a 5 KV but I've never gotten it all rigged up. I have my doubts about what it would do.
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Old 04-21-2011, 09:51:27 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

Partial scans for 118 & 208.
Scans for 345 & 739 clipped off the left side for charts. I'll try to get them again.
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Old 11-19-2019, 10:28:22 PM
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Default 208 Fairbanks Morris Service manual

Looking for a engine service manual for a 208 Fairbanks 1 1/2 horse?
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Old 11-21-2019, 12:49:06 PM
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Default Re: Fairbanks ZC-118 & 208 Horsepower Curves

I would like to see one myself.
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