how can a 4 wheeler best help an 18 wheeler?

Discussion in 'Questions To Truckers From The General Public' started by Bogey, Feb 8, 2010.

  1. Bogey

    Bogey Light Load Member

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    I hope to not be singled out here with this but isn't it only obvious that drafting saves fuel. And I'm NOT talking about tailgating. Tailgating is when you're closer than 100 ft back. I would love it if I didn't have to worry about my MPG but until I get 15MPG pulling my load down the road, I have to worry about every MPG that I can save. YOU DO TOO. It's the single best thing we can do to rally ourselves out of this armegeddon we're forcing ourselves into, using all this oil that we do. Commercial truckers are responsible for the massive addiction to foreign oil that this country consumes. We alone can rally to address the pollution that our way of life contributes to our nation. We already have the technology to reduce our dependency on crude oil, by mixing Propane and Natural Gas's to our diesel to achieve better fuel economy. WE would all make more money for our families AND use a cleaner fuel in the process.
    WESTPORT CUMMINS designed an engine that runs on 95% natural gas and only 5% diesel that we now use in Drayage, Municipalities and Busses. We as a whole have the responsibility to our children to continue this trend into our fleets and make our own economy grow through the use of these alternative fuels. Every dollar we spend on our trucks to reduce the need for foreign oil is money we'll be bringing home to our children tenfold.
    THe biggest commitment I have in getting back into trucking is to show how cheap I can convert my truck to run on these efficient, cheap fuels to get my load down the road just like you can. A propane injection booster is my first investment because of LPG's easy availability. But within one year I hope to have a Westport Cummins engine installed in my truck along with the $10,000 Cryogenic Fuel tank that is needed on a CNG powered truck. I'm gonna be a part of the future that will show everyone else that money can be saved my using CNG that costs under 1/3 the cost of diesel. Infrastructure is my main hurdle right now but I'm working on it.
    Would you spend $20,000 today if you could get your (CNG)fuel for $1 per gallon? What about $4000 today to get fuel for $2 as it is with LPG? I won't have to "tailgate" you all at 100 ft back for long. I'll be in the lead.
     
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  3. corneileous

    corneileous Road Train Member

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    Again, those drivers arent very bright.
    So then if you have to be atleast 25 feet back from someone's bumper to get good drafting mileage then why travel that close at a hundred feet? You said it yourself that you have to be that close for drafting to be any good.

    Foloow me that close and no, I wont be pissed..... I'll just be jotting down your plate number.....
     
  4. JimDriv3r

    JimDriv3r Road Train Member

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    Drafting, huh? Where is the proof that this saves fuel? Sounds like an "old wives tale".
     
  5. Chasingthesky

    Chasingthesky Heavy Load Member

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    Some drivers have been known to draft behind other vehicles, particularly tailgating larger vehicles, to save gasoline. For example, hypermilers using this technique can achieve 75 mpg or more. Some sources say that the most common tailgating does not save gasoline even at freeway speeds because one is likely to accelerate and brake so frequently that any aerodynamic savings are lost through the brakes. On the show Mythbusters, drafting behind an 18-wheeler truck was tested and results showed that traveling 100 feet (30 m) behind the truck increased overall mpg efficiency by 11%. Traveling 10 feet (3.0 m) behind the truck produced a 39% gain in efficiency. Of course, they warn that this type of driving "is insane" because the truck's blindspot is in that area, and if the truck stops quickly there is much less time to react. Truckers are not fond of the extra stress this puts on them, worrying about cars on their tail. Additionally, it can be very dangerous for the following car if one of the truck's tires (or their recaps) delaminate, as the chunks of ejected rubber can be large enough to cause serious harm, even death, to a driver following too close.

    -from http://en.wikipedia.org/wiki/Drafting_(aerodynamics)
     
  6. teddy_bear6506

    teddy_bear6506 I'm Vintage

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    I have a friend who is a driver that told me being hit by a chunk of the recap will make a deer hit look/feel like a kiss. I started watching my following distance even closer after that. I also don't "hang" beside the trailer while passing. I scoot around as quick as possible.
     
    tech10171968 Thanks this.
  7. Bogey

    Bogey Light Load Member

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    columbus,OH & elkhart,IN
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    Thanks Smerritt for the exact statistic "On the show Mythbusters, drafting behind an 18-wheeler truck
    was tested and results showed that traveling 100 feet (30 m) behind the truck
    increased overall mpg efficiency by 11%"
    I know for a fact that it saves fuel. When I was pulling campers for FEMA to the Gulf after Katrina, I would get 8.25+-MPG drafting at 100 ft back and reliably only 7MPG and sometimes worse while NOT drafting, mostly because going up the hills had to be at full throttle, and redlining the tach. I almost never had to redline the tach while drafting. That's real world savings to me people. 1000 mile trip (est. 350 miles drafting and getting 8.25MPG=42.4 gallons vs. 7MPG=50 gallons for that same 350 miles #$3/gallon = $23
    Thats real world right there. I draft 1/3 of my miles and save $23 every two days. Thats food, coffee and smokes. I'm thinkin' I'm screwing myself if I "DON'T". Plus the added benefit of your bigrig pushing the deer outta my way. Its a moot issue...you'll never convince me that at 100 ft back that I'm endangering you or me.
    On the plus side for you, if you would agree to let me draft for my whole trip, I'll buy YOUR food for the trip.
     
    Last edited: Jun 22, 2010
  8. corneileous

    corneileous Road Train Member

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    If only you knew how much this was greatly appreciated.......
     
  9. GRAYMATTERS

    GRAYMATTERS Light Load Member

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    Back to the original question...... How can a 4 wheeler best help an 18 wheeler?

    The short answer....... Go to a legitimate, professional driving school and obtain some training. When you do your search for a school, ask them if they teach driving skills in and around big rigs. If they don't...... continue your search until you do find one.

    On a side note, unfortunately, to many 4 wheelers shouldn't even be driving. Driver training in this country is woefully inadequate.
     
  10. Freebird135

    Freebird135 Road Train Member

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    if you see me turn my signal on, and im trying to get in your lane, and u are only 5 feet behind my trailer in that lane, back off for a few seconds so i have a little bit of space....dont just ride there waiting for me to come over....atleast flash your headlights

    we cant always speed up and it can be hard to judge how far back u are especially at night and in rain/snow

    4 wheelers dont even think about these things but the few of them that do them and help us out are greatly appreciated
     
    tech10171968 and johnday Thank this.
  11. Chasingthesky

    Chasingthesky Heavy Load Member

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    We really should be able to work together better. All of us are out there for the same reason.. we're trying to get somewhere else. I had a perfect example of working together happen to me on the way home from school tonight. When I first got on the interstate, I merged in behind an big truck that was doing 60 and I wanted to do 65. So I put on my blinker, moved over and started to pass him. As I'm coming alongside his truck, I noticed two vehicles on the side of the road with their flashers on, changing a tire or something. Now I've worked light duty wrecker before, I've had trucks pass me two feet away, if that, doing 65 and it ain't no fun. It's a three lane interstate and no one is beside me so I move over. As soon as he sees me getting over, he gets over too. I gave him the space he needed, we both showed some courtesy to the break down and we went our merry way down the road
     
    teddy_bear6506 and johnday Thank this.
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