Month of April 2019 (Nat’l Avg $2.629)

Discussion in 'The Daily Grind' started by Gord, Apr 1, 2019.

  1. BillLin

    BillLin PV solar, geothermal HVAC, hybrids and electrics

    Wow, hope your area is used to it. Some places will just flood. Like some areas around me will flood with that much rain, in the days following the rain as the rivers collect the runoff.
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  2. PaleMelanesian

    PaleMelanesian Beat the System Staff Member

    There was some flooding, but we're rolling hills so not much problem with low areas filling up. It's mostly run off already
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  3. EdwinTheMagnificent

    EdwinTheMagnificent Legend In His Mind

    Today , 49 deg F , wind E 6-9. Roads wet from last night's rain.
    35.1 miles , 58.13 MPG. Tank is at 528.8 miles , two pips remaining (96 miles) , 61.75 MPG.
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  4. PaleMelanesian

    PaleMelanesian Beat the System Staff Member

    49.1 / 5.3 - home last night. Traffic was nuts - crazies everywhere.
    54.8 / 11.5 - this morning

    That drags the tank up to 49 / 374 mi.
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  5. jcp123

    jcp123 Caliente!

    I had a super-light load coming out of the east coast, and filled up yesterday.

    I don't like tank calculations on the truck because I never use the same pump twice, and compounding that, the pump cutoffs don't seem very consistent.


    Milersport, OH, to the Baltimore area, with a 30k load over the Appalachians, and back to near Toledo with an 1,100lb load. The light load west was darn near 11mpg.

    915 miles on 109.007g diesel = 8.4mpg. Dang good!

    DEF was last filled in Springfield, MO.

    1,577mi on 7.002g = 225mpg. That's merely alright, I was hoping it might be closer to 300 considering how little diesel I burned.

    Avg is at 8.3mpg since I got the truck, probably darn close to 8.4.

    For reference, my last truck hung right around 8mpg for an average. Assuming 8.5, that's a decent 6ish% gain on FE with more grade shifting ability and added safety of better engine and jake braking on downhills preventing brake wear or overheating.
    Last edited: Apr 27, 2019
  6. EdwinTheMagnificent

    EdwinTheMagnificent Legend In His Mind

    King of the Road ! Good work , James.
    Today , 42 deg F , no wind , 16.3 miles , 66.40 MPG.
    Tank is at 581.9 miles , one pip remains , fcd = 66.7 *.93 = 62.03 MPG.
    I will fill up on the way home at Amoco in Naperville ,same pump.
    I may be using a new multiplier. Is Amoco fuel "better" than what I had been using ?
    Is it possible it has less ethanol ? If I can use 4.5% instead of 7 % , that would be great.

    This will be the first 600 mile tank and the first 60 MPG tank of the year. :)
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  7. RedylC94

    RedylC94 Well-Known Member

    Calculated over any several consecutive tanks (to dilute effects of the inevitable fill inconsistencies), my "multiplier" (correction factor) remains very consistent at about 0.955, regardless of season or brand of gasoline. Not clear why your factor would be any less consistent, although it might be different due to manufacturing variations.
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  8. jcp123

    jcp123 Caliente!

    10.7 today, carrying about 25k in the box. Went through Hocking Hills, headed to real Appalachia.

    This thing freaking rules.
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  9. jcp123

    jcp123 Caliente!

    Mine varies a LOT, I think because my UG doesn't pick up my DFCO. I compensate by just using a 50% correction. To use round numbers, if UG said I used 10 gallons, and UG said I used 11, I'd go to calibration and enter 11.5g used.
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  10. RedylC94

    RedylC94 Well-Known Member

    Evidently you're referring to something different. I meant the ratio of actual mpg to mpg claimed on the car's cumulative mpg readout. Cumulatively over any number of fill-ups, that equals the ratio of gallons the car says it used to actual gallons used over the same interval.

    Perhaps related to the issue you mentioned, my ScanGauge seems confused by fuel cutoff while the engine is spinning (which happens when coasting at speeds over ~45 mph). Sometimes it counts phantom fuel flow in that circumstance, and sometimes, seemingly at random, it doesn't. I suppose that's why the thing is impossible to calibrate closely as regards anything to do with fuel consumption. Anyway, that quirk has nothing to do with the error of the car's cumulative mpg display, which is very consistent.
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  11. EdwinTheMagnificent

    EdwinTheMagnificent Legend In His Mind

    Today , 44 deg F , light but steady rain all the way in. Wind NW 3-6 MPH.
    I took scenic route #3 today , as I usually do when coming from Nicole's
    house in east Naperville. This means about 20 miles north and 4 miles east.
    A lot of that is on IL Rte 53 , which is partly two-lane with PSL from 40-45 MPH.
    There are lots of glide ops , but today all glides are limited by the sticky rain.
    24.0 miles , 60.08 MPG.
    We got some late-season snow Saturday. 6 inches of messy wet white stuff
    in some areas. By us , only about 2". Still , not fun.
    Filled up Saturday at Amoco. 610.8 miles , fcd = 66.0 x 0.93 = 61.38 MPG.
    dividing gallons into miles gives me 610.8/9.681 = 63.09 MPG.
    Over-report = 4.6 %. This has been pretty consistent over the last three tanks ,
    so I will use a different multiplier as long as I am using Amoco fuel.
    A very pleasant surprise.
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  12. Gord

    Gord Super Moderator Staff Member

    Had a great vacation thanks :D

    Good going in the DT12 James :cool:

    Going home April 18th, detour #2, 64°F, mostly headwind 9ENE:
    46.3 / 19.8

    Last Tuesday morning set off for a weekend away, 50°F, head/crosswind 9NNE:
    58.4 / 72.1 - fantastic run to Thirsk :), had a good look around and an early lunch

    45.4 / 14.3 - Thirsk to Helmsley, another walk, 52°F, headwind 13E:

    42.6 / 2.8 - Helmsley to a B&B in Nawton, yet another walk plus a 5K run, 59°F, headwind 13E:

    Wednesday morning went to Castle Howard, 57°F, tail/crosswind 7NNE:
    46.9 / 12.0 - fantastic run to Thirsk, had a good look around and an early lunch

    58.6 / 72.7 - Home - Another great run :), 59°F, crosswind 11E:

    This morning back to the grind, motorway route, 45°F, cross/tailwind 6ENE:
    46.6 / 21.1

    Tank up 4.5 at 52.7 (FCD 55.5) / 270.1 / Range 470 . Guess gauge F__««|««««E . UG down 0.9 at 49.6 / DTE 413

    The great tank is continuing - commute this week will drag it down a bit....

    Lost first pip @ 172 miles
    Lost second pip @ 255 miles

    ** forgot - did my longest ever bike ride Friday - 83.7 miles @17.2mph avg :cool: **
    Last edited: Apr 29, 2019
  13. PaleMelanesian

    PaleMelanesian Beat the System Staff Member

    59 mpg / 11.5 mi this morning. Great weather - 70F and overcast

    Tank is at 49.5 / 405 mi.
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  14. EdwinTheMagnificent

    EdwinTheMagnificent Legend In His Mind

    Gord , you still rock !
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  15. RedylC94

    RedylC94 Well-Known Member

    Good. That's very close to the same "over-report" I've been getting consistently with all brands of gasoline since I acquired the Prius.
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  16. Gord

    Gord Super Moderator Staff Member

    Thanks Edwin :D

    Over 49 tanks my over-report is 5.26% but has varied between -0.4 and +9.6 :eek: with a Standard Deviation of 2.3% :p

    Last night, detour #3, 56°F, mostly headwind 7ESE:
    44.6 / 20.0

    This morning, motorway route, detoured traffic light section, 43°F, mostly tailwind 2ENE:
    50.0 / 21.8

    Tank down 1.0 at 51.7 (FCD 54.5) / 297.6 / Range 410 . Fuel gauge F__««|««««E . UG up 0.1 at 49.7 / DTE 373
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  17. EdwinTheMagnificent

    EdwinTheMagnificent Legend In His Mind

    Today , 46 deg F in Naperville , 30 minutes later in Wood Dale , it's 38. I guess that's possible.
    The NE wind didn't help ; 35.1 miles , 56.36 MPG.
    Tank is at 136.1 miles , 58.59 MPG. Rain expected today. Yawn.
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  18. PaleMelanesian

    PaleMelanesian Beat the System Staff Member

    I've got a +11% on my onboard gauge. It makes the mental math fairly easy - multiply by 0.9. It's big enough that the percent up and percent down are different. :p I always report SG numbers.

    56.2 / 5.3 - home
    56.2 / 11.8 - this morning

    Tank is up to 49.8 / 427 mi.
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  19. jcp123

    jcp123 Caliente!

    Oops, guess I did misunderstand a bit. I don't have a factory FCD in my car, but I do in the truck, plus a remote unit to record our driving hours for the Feds and provide navigation. It also monitors a lot of PIDs from the truck's computers, and the instrument panel FCD and the remote unit never agree.

    The DFCO thing is kinda frustrating, but at least understandable in an older car like mine with bad data resolution on its slow, old data bus.
    Last edited: Apr 30, 2019
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  20. jcp123

    jcp123 Caliente!

    Not a bad day. I got lucky and snagged a 10,000lb load, so I am only around 43k lbs gross. Running the Appalachian Piedmont of the southeast, a ~10.2mpg average isn't the best this truck could do running as light as it is, but that's still great numbers compared to my old rig, which was already a good margin better than the two trucks I had before.

    A tough driving day didn't help. Above-average numbers of both aggressive jerks, and slow folks, combined with one of the nastiest, longest construction zones I've ever seen did NOT help. Probably coulda been high 10s otherwise.
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