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Old 04-23-2011, 10:31 PM   #1
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MPG on Discovery

I just got back home today from the frist trip of the season it was 2,620 miles round trip, and I was able to keep track for the first time on a long trip of all the miles and gallons of diesel fuel that I put in, so here is the result Its a 2006 fleetwood Discovery 39L with a cat c7 330HP and I have the a muffler and air filter and the computer plug in module from brazels, and last time I weight the RV was around 28,000 and I was towing a 2005 bmw 530I, and I ran the generator for half of the trip (1,300 miles) so the result is 7.36 miles to the gallon, that is an average of all miles and gallons of fuel, Just tought that I would share this numbers with everyone in here, also I got some readings from my silver leaf system Trans temp 149
Oil pre 47psi
Mf old temperator 91f
Engine temp 188

this numbers are while cruising after about ten hours of driving. Joe
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Old 04-24-2011, 08:57 AM   #2
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I also forgot to meantion that the MPG that I posted That was with lots of time in traffic I would say at least a good four hours of stop and go traffic, what does every one think of that number is it close to what you guys are getting out there?
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Old 04-24-2011, 10:31 AM   #3
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I think it's a good average. Some get more and some less. On individual trips it's very subjective to wind especially. My ISL 400 over 37,000 miles shows a lifetime average on my TripTek of 7.03 MPG.
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Old 04-24-2011, 11:24 AM   #4
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Sounds like it is inline with what most people average.
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Old 04-24-2011, 01:43 PM   #5
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When I compute my mileage, I do it two ways:

- As you did above...total miles divided by total gallons.

- I also do it by total miles divided by fuel used after reducing the fuel burned by .5 gph for the generator and .4 gph for the Aqua Hot. The gen and AH both have hour meters, so every time I refuel I log the total hours noted on each meter...thus it is easy to compute and makes the mpg more realistic.
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Old 04-24-2011, 10:32 PM   #6
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Lifetime average fuel economy for our coach is 7.41 mpg for 56,000 miles, per the engines own fuel monitor (the ECM). It was about 7.1 when we bought the coach in late 2006 and 23,000 miles, so our driving style has brought it up. Interstate cruising at about 64 mph yields us about 7.9-8.2 mpg (coach and toad combined weight of 37,700 lbs). Town or two-lane driving knocks that down to low-mid 7's and occasionally high 6's.


Using the trip computer with a back-up pen and paper log book to get mpg figures, we find that trips of 2000+ miles tend to average about 7.9 mpg
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Old 04-24-2011, 11:33 PM   #7
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Where did you hit four hours of stop and go traffic?
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Old 04-25-2011, 06:13 AM   #8
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I the way to Florida my GPS toke me true a contusion road wich was 301in Florida that one had a lot of lights and after I clear that road then got on 75 and I said to my self ok now we are on track but less then half-hour I got major traffic for about 40 minutes because of an accident but the worst part was coming back from Florida to new Jersey I left there on Friday morning (good Friday) and in the way back I didn't go true that 301 county road I just went up 75 and then toke 4 across to 95 but the problem started to cross Orlando was a nightmare around Disney are and downtown Orlando and then until I got in Georgia it was always some traffic but true Georgia was ok but o Saturday I got traffic from the beginning of Virginia pretty much to new Jersey 95 was just mess everywhere.
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Old 04-25-2011, 11:41 AM   #9
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In that bad traffic it makes me happy I have a toilet on board......
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Old 04-25-2011, 05:14 PM   #10
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[QUOTE=Arch Hoagland;839856]In that bad traffic it makes me happy I have a toilet on boar
You bet it came in handy a couple of times specially for the little ones
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Old 04-25-2011, 05:24 PM   #11
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I travel that way all the time. For me the 301 route is the beat way to go. You have to watch for speedtraps but there is no way I would take I-4 again. Would rather go all the way up 75 to 10 if I had to. The 301 route is also the truckers route so there is always some company on the road.
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Old 04-26-2011, 10:39 AM   #12
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I travel that way all the time. For me the 301 route is the beat way to go. You have to watch for speedtraps but there is no way I would take I-4 again. Would rather go all the way up 75 to 10 if I had to. The 301 route is also the truckers route so there is always some company on the road.
I agree with you rt 4 is a pain in the**** but 301 as way to many lights I don't know Wich one I would take in the future
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Old 04-26-2011, 04:26 PM   #13
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Quote:
Originally Posted by rcatter View Post
I travel that way all the time. For me the 301 route is the beat way to go. You have to watch for speedtraps but there is no way I would take I-4 again. Would rather go all the way up 75 to 10 if I had to. The 301 route is also the truckers route so there is always some company on the road.
I've done I4 maybe once. It was very painful (slowww). Never again.

I've done Rt 301 5 or 6 times. I'll take this route any day of the week over I4 thru Orlando.

Watch out for the speed traps. You'll be fine.
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Old 04-26-2011, 06:56 PM   #14
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Joe,

We have only taken four trips which total 6500 miles but one was a round trip of 2800. Our average is 8.9 but that doesn't include generator use. We think we can improve it this season if we drive a little flatter and a little slower, but hopefully not stop and go. Your traffic experience sounded abysmal, except that you had all of your facilities with you
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