Mid roof vs high rise fuel economy

Discussion in 'Trucks [ Eighteen Wheelers ]' started by exfarmer, Apr 28, 2011.

  1. exfarmer

    exfarmer Bobtail Member

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    Apr 27, 2011
    Humboldt,Sk
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    I pull a 48ft deck, usually low and heavy. In that setting,what would be the extra fuel costs, if any, in going to a high rise sleeper vs a mid roof, all else being equal.
     
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  3. Powell-Peralta

    Powell-Peralta Road Train Member

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    i have no idea, but we also have to figure that the mid-roof will probably also be lighter? Which will help to further improve mpg?
     
  4. Krooser

    Krooser Road Train Member

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    I yanked the roof fairing off my 379 and gained 1/4 MPG pulling a flat.... and lost about 150 lbs.
     
  5. Nitropickup

    Nitropickup Bobtail Member

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    Apr 18, 2011
    Houston, TX
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    Having pulled skateboards for ten years, in several types and style of truck, I feel very safe in saying that your driving style will effect mpg many times more then your roofline.

    Make sure you will be happy and comfortable in the truck then drive it conservatively.
     
  6. kubotaorange76

    kubotaorange76 Light Load Member

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    Apr 9, 2010
    Monticello, Ga
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    anyone else have data on this?
     
  7. American-Trucker

    American-Trucker Road Train Member

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    Charlotte, North Carolina
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    walk around a truck stop all th data you need, most FB'ers are running around in midroofs, O/O's even go as far as flat tops......


    The less truck you have to push threw the air the better your mpgs are going to be, same with weight lighter you are the less fuel you'll burn.




    American Trucker
     
  8. JDP

    JDP Medium Load Member

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    Sep 25, 2011
    Dubuque, IA
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    This is data from a report published by B/S earlier this year, but roughly 55% of fuel consumption is used in pushing the truck and overcoming drag.
     
  9. kubotaorange76

    kubotaorange76 Light Load Member

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    Apr 9, 2010
    Monticello, Ga
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    I got that part....I run a mid-roof pulling a flat myself. I am just curious is anyone else has hard data on the mpg difference. Seems lately i have been seeing a ton of condo trucks pulling flats. Just doesnt look right with a typical 4-5' tall flatbed load.

    All I can figure is most of these guys got a heck of a deal on an old fleet truck so they went with a condo?


    I think a midroof is perfect for flatbedding, I dont haul anything taller than the top of the cab 99% of the time, and i can still stand up in my freightliner. Far cry from the 36" flattop on the kenworth i drove before i bought my truck....
     
  10. kubotaorange76

    kubotaorange76 Light Load Member

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    Apr 9, 2010
    Monticello, Ga
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    Got me to thinking....what would yall say the most aerodynamic/fuel efficient typical flatbed load would be? 48' flat load of lumber with tarps on it (with a mid-roof truck of course)? shingles? 8x20' plate steel? atmosphere?


    im bored tonight
     
  11. SmoothShifter

    SmoothShifter Defender of the Driveline

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    Feura Bush, NY
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    Next time, pick a cooler day to do it, and use air tools. If you're feeling a little jittery, a glass of orange juice will help. :biggrin_25522:
     
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