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Fuel tank logic
Rank: Elder Joined: 3/2/2009 Posts: 26,331 Location: Masada
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Wally5 wrote:Even if the readout is digital. A fuel gauge is by its very nature inaccurate. Aviators dont even bother with them, preferring to use calculations to determine how much fuel they have on board.
Ditto! Portfolio: Sold
You know you've made it when you get a parking space for your yatcht.
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Rank: Veteran Joined: 7/22/2008 Posts: 1,139
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Nice analsyis guys. Kudos @impunity,Limanika,luttz,Mcdoba and all others...... "You're not supposed to be so blind with patriotism that you can't face reality. Wrong is wrong, no matter who says it". Malcolm X
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Rank: Elder Joined: 3/2/2009 Posts: 26,331 Location: Masada
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Burning Spear wrote:Nice analsyis guys.
Kudos @impunity,Limanika,luttz,Mcdoba and all others...... It was a great forum between Engineers, Mechanics and Drivers. Engineers argued that the slow speed at Drive gear while driving consumes more fuel since the torque converter is loaded and car tries to move. Mechanics argued that since the RPM at Neutral gear is higher then the vehicle consumes more at N-gear. Reasoning purely based on what they see. Drivers/Blondes reasoned that the Neutral gear in automatic drive cars was simply meant to ease the effort from the Driver/Blondes by pulling handbrakes while in standstill traffic, nothing happens to fuel consumption. Je, wewe ulikuwa pande gani? Uko na mshahidi?Portfolio: Sold
You know you've made it when you get a parking space for your yatcht.
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Rank: Elder Joined: 6/8/2013 Posts: 2,517
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Most cars around promise mile ages of 15 to 20 km per liter highway. Now assuming a 60ltr fuel tank this would mean at least 900-1200km on a single full tank meaning Nrb msa and back or kisumu Mombasa with something left in the tank Discuss from experience. "😖😡KQ makes money for everyone except the shareholder 😏😏 " overheard in Wazua
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Rank: Member Joined: 10/26/2008 Posts: 380
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Siringi wrote:Most cars around promise mile ages of 15 to 20 km per liter highway. Now assuming a 60ltr fuel tank this would mean at least 900-1200km on a single full tank meaning Nrb msa and back or kisumu Mombasa with something left in the tank
Discuss from experience. I have done 17km/l on a manual AE100. Gradient matters alot - e.g. NRB-Eldoret vs NRB-MSA is not the same.. There are too many factors to consider!
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Rank: Chief Joined: 5/9/2007 Posts: 13,095
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Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli  Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral.
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Rank: Elder Joined: 3/2/2009 Posts: 26,331 Location: Masada
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washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Am glad ujinga ilikutoroka! The break pump is dead when engine id off and thus yu will need a massive foot power to apply the breaks effectively, handbrake is nothing for a moving car! Portfolio: Sold
You know you've made it when you get a parking space for your yatcht.
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Rank: Member Joined: 5/2/2007 Posts: 536
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Siringi wrote:Most cars around promise mile ages of 15 to 20 km per liter highway. Now assuming a 60ltr fuel tank this would mean at least 900-1200km on a single full tank meaning Nrb msa and back or kisumu Mombasa with something left in the tank
Discuss from experience. when this 2L D4 vvti was younger it once did nearly 16 km/l to Msa
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Rank: Elder Joined: 3/2/2009 Posts: 26,331 Location: Masada
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tuvok wrote:Siringi wrote:Most cars around promise mile ages of 15 to 20 km per liter highway. Now assuming a 60ltr fuel tank this would mean at least 900-1200km on a single full tank meaning Nrb msa and back or kisumu Mombasa with something left in the tank
Discuss from experience. when this 2L D4 vvti was younger it once did nearly 16 km/l to Msa Wacha until the time those ma-sensors wil start seeing ma dim dim its when utajua D4 ni nini! Portfolio: Sold
You know you've made it when you get a parking space for your yatcht.
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Rank: Elder Joined: 3/2/2007 Posts: 8,776 Location: Cameroon
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washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Mimi niko na hii tabia ya free wheeling. I once free wheeled an old premio on a steep slope with corners kule Embu. Gari zimika! Hiyo steering afadhali mawe ya mjengo. Makueni flashed right infront of my eyes but I controlled the car n the EMERGENCY Brake as Americans call it saved the day. Which begs an important question, why didn't the engine restart when I reverted to D? TULIA.........UFUNZWE!
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