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11-09-2019, 07:57 PM
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#29
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Senior Member
Join Date: Aug 2017
Posts: 273
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My tank has a tag on it that says it's 115 gallons. I get about 8 mpg towing a Jeep Cherokee. 8 mpg x 115 gallons = 920 total miles per tank.
I need to use miles, because I quickly found that the fuel gauge is wrong. I have heard the same about other Alpines.
But it is consistent. I kept track on a long trip and got the following:
350/350 miles from full to 3/4ths tank
200/550 miles from full to 1/2 tank
150/700 miles from full to 1/4 tank
175/875 miles from full to empty
The empty figure is an estimate. I didn't run it all the way dry, but pretty close.
__________________
2005 Alpine Coach 36 FDDS
with Cummins ISL 8.9L 400hp
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11-10-2019, 08:55 AM
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#30
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Registered User
Join Date: Oct 2016
Posts: 3,026
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3x5,
I’ve observed similar numbers on our (similar) coach. The tendency for a fuel tank to deliver more range from full to half as compared to half to empty, may have to do with the fuel level sensors. This characteristic has been consistent on every vehicle I’ve owned.
My seat of the pants estimate would be that the tank sensors will display “full” on the gauge when the tank is approximately 90% full. In our case, we’re using 12 gallons and traveling 100 miles before the gauge moves off full.
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11-13-2019, 10:01 AM
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#31
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Senior Member
Join Date: Jun 2018
Location: Yavapai
Posts: 574
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low mpg
Based on the following with 115 gallon tank, I primarily refuel outside Kalifornistan or between 1/2-1/4 tank.
I searched f104(etc) looking for why our lifetime (per Activa) and continuing 7.0mpg (VMSpec) [ISL400/34'] could be improved. I found variances in the threads but no solutions.
I drive conservatively, using ECON and rarely over 62-63 mph, towing a '19 Cherokee Trailhawk; matters little vs pre-toad mpg. Rarely are any tanks full.
One remark mentioned newer, heavier coaches due to the power basement slides, but most reports indicate 8mpg+ which would be divine.
Lubricity additives: no help.
A good buddy avows mpg improvement >60-70k miles, but I've not seen the 9+mpg he gets (akin to similar Aplines) in his 40' '06 Moncaco Dynasty.
Seeking input!
__________________
2007 Alpine SE 34FDDS + Cherokee Trailhawk
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11-13-2019, 04:24 PM
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#32
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Senior Member
Alpine Owners Club
Join Date: Sep 2005
Location: Traveling in North America
Posts: 2,248
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Quote:
Originally Posted by whalepirot
Based on the following with 115 gallon tank, I primarily refuel outside Kalifornistan or between 1/2-1/4 tank.
I searched f104(etc) looking for why our lifetime (per Activa) and continuing 7.0mpg (VMSpec) [ISL400/34'] could be improved. I found variances in the threads but no solutions.
I drive conservatively, using ECON and rarely over 62-63 mph, towing a '19 Cherokee Trailhawk; matters little vs pre-toad mpg. Rarely are any tanks full.
One remark mentioned newer, heavier coaches due to the power basement slides, but most reports indicate 8mpg+ which would be divine.
Lubricity additives: no help.
A good buddy avows mpg improvement >60-70k miles, but I've not seen the 9+mpg he gets (akin to similar Aplines) in his 40' '06 Moncaco Dynasty.
Seeking input!
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We've got over 160K miles on ours. 13 years since we hit the road and we have averaged 8.75 or higher each year. Actually, since we got the park model where we leave all of the winter stuff (we spend winter in Mesa, AZ) our mpg has gone to 8.9. We also run at about 62 except in California where we run at 58 (Texas plates are magnets in CA).
__________________
Barbara & David O'Keeffe
Figment II (Alpine 2002 36 MDDS)
On The Road since 2006
Blog
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11-13-2019, 05:47 PM
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#33
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Senior Member
Join Date: Jul 2015
Location: Watertown NY USA
Posts: 6,446
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Quote:
Originally Posted by Mach_Cat
With the wonderful prices on California fuel, I would like to get out of the state with as few fuel ups as possible. I seam to run about 9-10 mpg sometimes 11.
So assuming a full tank on a 40ft alpine how far do other people go?
I have been filling up at 350-450 miles.
Thanks Ed
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This is a misleading question. If you don't want to stop for fuel as often wait until your fuel gauge gets down to 1/4 tank or less. That will save on the number of fuel ups. You could rent a small car to do your commuting with and save $ buying fuel for your MH.
Fill your tank just before crossing over the border into California, use your MH as little as possible and fuel up just enough to get out of California. Once you are free of California top off the tank and be on your way.
It doesn't matter how many gallons of fuel your tank will hold. The amount you use depends on you, how far you drive, and your driving habits. The dollars you spend will be in accordance.
Lynn
__________________
2002 Fleetwood Storm 30H on Workhorse P32 chassis 8.1 gas.
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11-13-2019, 06:16 PM
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#34
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Registered User
Join Date: Oct 2016
Posts: 3,026
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Quote:
Originally Posted by LETMGROW
This is a misleading question. If you don't want to stop for fuel as often wait until your fuel gauge gets down to 1/4 tank or less. That will save on the number of fuel ups. You could rent a small car to do your commuting with and save $ buying fuel for your MH.
Fill your tank just before crossing over the border into California, use your MH as little as possible and fuel up just enough to get out of California. Once you are free of California top off the tank and be on your way.
It doesn't matter how many gallons of fuel your tank will hold. The amount you use depends on you, how far you drive, and your driving habits. The dollars you spend will be in accordance.
Lynn
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How is it a misleading question to ask other owners of the same coach how far they drive on a tank of fuel?
California is 800 miles North to South. The OP is traveling from Washington. They could cut through Oregon, Nevada and Arizona to find less expensive fuel. The added mileage could end up being more expensive than just buying higher priced fuel.
Going West-East it is possible to get in and out without fueling in Ca. But it doesn’t make sense to drive 400+ miles and burn $150+ in fuel to save $50 on a fill up.
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11-17-2019, 11:02 AM
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#35
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Senior Member
Join Date: Apr 2015
Posts: 349
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I haven't heard anyone mention this, but I have found that if you are traveling with your gen. running, you should shut it off when you stop for fuel. My experience has been that during refueling you introduce lots of foamy air bubbles to the tank. The gen pulls this into its fuel system, causing shutdown. Then you're faced with purging the system before is will run consistently again. Anybody else ever have this problem?
Dudley Do-Right, '06 Alpine Apex40MDTS
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11-17-2019, 11:34 AM
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#36
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Senior Member
Join Date: Oct 2014
Posts: 7,870
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Actually, you should shut off ANY source of flame or electricity when refueling!
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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11-18-2019, 08:55 AM
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#37
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Senior Member
Join Date: Aug 2019
Location: wherever we're parked
Posts: 363
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Quote:
Originally Posted by wolfe10
Actually, you should shut off ANY source of flame or electricity when refueling!
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Isn't that a concern with gasoline rather than diesel?
Gasoline evaporates into a flammable vapor. Diesel doesn't do that does it?
I could very well be wrong since I'm less experienced with diesel.
I thought for sure I've seen someone try to ignite diesel and it wouldn't burn.
I know I could look this up, but that's a rabbit hole I don't wish to travel down this morning
__________________
2005 Alpine Coach 40FDTS
1968 VW Campmobile (toad)
Full timers, Kevin and Jacquie
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11-18-2019, 11:47 AM
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#38
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Senior Member
Join Date: Oct 2014
Posts: 7,870
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Quote:
Originally Posted by Hayduke
Isn't that a concern with gasoline rather than diesel?
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Absolutely.
But, if you ever fill at an island that also has gasoline at it, or where a fuel truck is unloading, etc...........
Just a good habit to get into.
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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11-18-2019, 12:10 PM
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#39
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Senior Member
Join Date: Aug 2019
Location: wherever we're parked
Posts: 363
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Quote:
Originally Posted by wolfe10
Absolutely.
But, if you ever fill at an island that also has gasoline at it, or where a fuel truck is unloading, etc...........
Just a good habit to get into.
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Good point. If someone is filling up with gas on the other side of the island...
I assume the reason one would want to run the generator was to keep the roof AC on?
__________________
2005 Alpine Coach 40FDTS
1968 VW Campmobile (toad)
Full timers, Kevin and Jacquie
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