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  1. #11
    Platinum Member Raspy's Avatar
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    Dec 2006
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    918
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    Northern Nevada
    Tractor
    NH TC29DA Bolens G14 Skytrac 5028 Dodge Cummins Jeep Rubicon Grizzly 700

    Default Re: HORSE Power

    Whenever you imagine replacing a horse with a small engine you have to remember the engine peaks at a much lower number than the horse. As stated earlier, a horse might put out 14 HP for a few seconds but a 1 HP engine will not do that. Also, the engine's power must be fed through a transmission system with gears, belts and/or pumping losses that add up to a significant parasitic loss.
    But in the long run, over a period of time, the engine crankshaft HP and the horse must be approximately the same. But is it equal to a Clydesdale, an Arabian or a Shetland pony?
    John

    I only exaggerate enough to compensate for being taken with a grain of salt.

  2. #12
    Super Star Member k0ua's Avatar
    Join Date
    Jun 2009
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    14,654
    Location
    Branson, Mo.
    Tractor
    Kioti DK35se Hydrostat

    Default Re: HORSE Power

    Also don't confuse horsepower with traction.. as in the example of 2 horses pulling an 8N backwards.. The horses have better traction than the 8N typically will have. but now put cog wheels on the 8N. perhaps put another final drive gear reduction on the 8N. and run it on a cog track. Now the 8N will pull several horses backwards or pull them in two. All the horsepower in the world wont do a bit of good unless you can apply it and operate the engine in its powerband. And by the way its almost 3db of change before most people can really notice it. But a 10db change is considered pretty large by most people. Example start with 1 watt of power, 3db increase =2 watts. 6db increase =4 watts. 10db increase =10 watts. 20db increase =100 watts 30 db increase =1000 watts.

    James K0UA
    James KUA

    Kioti DK35se hydrostat with 2 QA buckets, 48 inch. King Kutter Rotary Cutter. 750 lbs ballast box. Loaded tires, Construction Attachments SSQA Lightweight Pallet forks. EA 50 inch single lid "wicked" Grapple. Satisfied Everlast PA160 welder owner How to add a link to a post . Best way to search TBN


  3. #13
    Gold Member Garybake's Avatar
    Join Date
    Sep 2011
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    348
    Location
    Macomb & Kalkaska, MI
    Tractor
    Kubota BX24, Cub Cadet LTX1050, JD 120

    Default Re: HORSE Power

    I know I am pretty spoiled just having to put in a little deisel and routine maintenace than feed, groom and clean a stable full (I would never get anything done)

  4. #14
    Platinum Member
    Join Date
    Jul 2003
    Posts
    594
    Location
    under the elephant\'s tail [ ontario can.]
    Tractor
    john deere 3130, universal

    Default Re: HORSE Power

    Quote Originally Posted by Garybake View Post
    I know I am pretty spoiled just having to put in a little deisel and routine maintenace than feed, groom and clean a stable full (I would never get anything done)
    My barn here used to have a third of the stable dedicated to stalls for the horses used on the farm. Probably a quarter of the feed they worked so hard to put in the barn went to feeding aformentioned horses so that they could feed the cattle that made them the money. Yeah, I'd far rather drive past the diesel tank and be done with it.

  5. #15
    Elite Member
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    Apr 2008
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    Default Re: HORSE Power

    Quote Originally Posted by k0ua View Post
    Also don't confuse horsepower with traction.. as in the example of 2 horses pulling an 8N backwards.. The horses have better traction than the 8N typically will have. but now put cog wheels on the 8N. perhaps put another final drive gear reduction on the 8N. and run it on a cog track. Now the 8N will pull several horses backwards or pull them in two. All the horsepower in the world wont do a bit of good unless you can apply it and operate the engine in its powerband. And by the way its almost 3db of change before most people can really notice it. But a 10db change is considered pretty large by most people. Example start with 1 watt of power, 3db increase =2 watts. 6db increase =4 watts. 10db increase =10 watts. 20db increase =100 watts 30 db increase =1000 watts.

    James K0UA
    I agree that traction makes all the difference in the world and given the right circumstances the tractor would most likely win but thought the sight of two draft horses winning against a tractor was just too cool to imagine otherwise.

    I can't help it, I like horses.

  6. #16
    Platinum Member Mark Page's Avatar
    Join Date
    Sep 2009
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    559
    Location
    Maryland
    Tractor
    Massey Ferguson 2615 48hp, 4wd, loader

    Default Re: HORSE Power

    I once saw an Amish farmer with a 4 horse team pulling a loaded manure spreader at a canter. They didn't appear to be having any problems with the load. I know I couldn't have done it with my 45 hp 4wd machine.
    I wondered how much time was spent just tacking up that team.
    Gear Up and Throttle Down.

    2011 Massey 2615, 7ft Woods Rear Discharge Finish Mower, 6 ft Lucknow Snow Blower, Danuser post hole digger with 12" and 24" augers, 350 lb 3 pt broadcast spreader, 7ft scraper blade, 7 ft. drag harrow, JD GT 275 rider with 38" snow blower attachment.


  7. #17
    Elite Member Baby Grand's Avatar
    Join Date
    Nov 2007
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    3,580
    Location
    Windsor, CT.
    Tractor
    L3240GST, B2320HST, B5100D & G5200H

    Default Re: HORSE Power

    When I was young I spent some time on a farm in Five Islands, Nova Scotia. The farmer wanted to build a log sugar shack near a dirt road through an area that was dense with conifers. He had a large horse that he hitched to pull tree logs that we felled out of the these woods to the clearing where the cabin was being built. The ground of woods there was a sort of big interlocking jumble of tree trunks that had fallen every which way, in various states of decay, and covered with moss. A real challenge to walk over. I don't think a wheeled vehicle could have got any traction in that mess, even if it could have kept upright. The horse didn't seem to have any problem other than occaisionally getting the butt of a log hung up on something. Really impressed me as to what you could accomplish with 1hp.
    That's the problem with trouble.
    It always starts out as such fun."
    - Randall Brown

  8. #18
    Elite Member
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    Apr 2009
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    adirondacks

    Default Re: HORSE Power

    This thread is educational

    I noticed some one said have 2 horse hook to an 8n. How about a crotch rocket hooking to an 8n, 20+hp compared to over 100hp bet the tractor would win. Traction gearing weight engine speed all have influence.

  9. #19
    Super Star Member Egon's Avatar
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    Aug 2001
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    Nova Scotia, Canada

    Default Re: HORSE Power

    Egon
    50 years behind the times
    Livin in a
    Worn out skin bag filled with rattlin bones

  10. #20
    Silver Member MF1652's Avatar
    Join Date
    Feb 2010
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    208
    Location
    New Hampshire
    Tractor
    2010 Massey Ferguson 1652

    Default Re: HORSE Power

    Quote Originally Posted by Egon View Post
    I've seen that picture before. Pretty impressive in just what it took to actually stack and secure those logs. I can't imagine they would have been travelling very far with that load. If they were going down hill what is to stop the sled from running the team over?

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