Can someone explain what the + is please and do I have it....?
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Getting a bit personalCan someone explain what the + is please and do I have it....?
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Getting a bit personal
Late x250's & early x290' s had a slightly cleaner engine than the Euro5 and Fiat designated it Euro 5+ from 2013/2014 until Euro 6 came out in late 2016.
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Look on the bright side, good excuse to order a new van.Something else I haven’t got then.......
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I’ll be back home on Monday after about a 4K trip and I’ve kept all the receipts so will know what I’m exactly getting....
On a 2012 2.3 150 comformatic 4250k Euro 5 not sure whether I have the + or not... the dash shows about 25-27mpg on an average of 57mph
Well you would go and buy a big one ... serves you right!Well I am jealous !!
We average 20.5 MPG if I keep it down to 55 MPH
Fiat 2.3 in an X250 chassis rated at 130 bh
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It's not the size. It's what you do with it.Well you would go and buy a big one ... serves you right!
Just an update on this, hubby filled up the camper today so I was able to calculate our fuel usage for our last 6 week holiday which has come as a very pleasant surprise:We've had PVCs with the 130 (2012) and 150 (2015) engines and haven't really noticed much difference in mpg, around 29-39 but hubby does like his speed and we visit lots of very, very, very hilly places and often end up at the top of winding mountain roads!
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Just an update on this, hubby filled up the camper today so I was able to calculate our fuel usage for our last 6 week holiday which has come as a very pleasant surprise:
miles covered: 4972
litres used: 668.79
average miles per litre: 7.43
average miles per gallon: 33.83
He'd previously mentioned he'd noticed it had loosened up more during the latest holiday with it being fully run in and this appears to be borne out in the mpg figure.
Well pleased!
Hold fire ... I'm not totally convinced that hubby has given me the 'correct' mileage figure so I'll sneak out later and check whilst he takes the dogs for a walk and report back!Glad to see this ties up with my similar figures.... as I was doubting mine
I doubt your figurers as well.Glad to see this ties up with my similar figures.... as I was doubting mine
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Well I am jealous !!
We average 20.5 MPG if I keep it down to 55 MPH
Fiat 2.3 in an X250 chassis rated at 130 bh
Absolutely agree... Why on earth someone thought it would be a good idea to fit a 2.3 in a 5.5 ton van is a mystery !I guess a lot of Left Hand Drive people are in the same position as us in that we fill in litres and measure distance in km, to save the long winded conversion each time to do a "brim to brim" just work it out as km/litre and then multiply by 2.815 to get MPG, it took me ages to work it out so thought I would share.
We get about the same out of a 3 litre IVECO pushing 6t and built like a brick whatsit, which suggests that the van size and weight has more of a bearing on the figures than the engine capacity and power, makes sense really as its simply work done by the fuel, the engine is just a means of converting the fuel into motive power and the size and weight of the van is the resistance or work to be done.
Martin
Ok, I did 4492 miles on our trip and bought 639.33 litres of diesel = 140.63 gallons and by my reckoning that equates to 31.94 mpg I’m well pleased with that...
I doubt your figurers as well.
Mel has a PVC, we get around 23 out of our A Class but hopefully should get around 25 once its done at least 10,000 miles.
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But a bigger mastery is why A class vans seem, in general, to do better MPG than C class's
All down to Aerodynamics, if it is an overcab there will lots of dirty air behind it and then again lots of dirty turbulent air behind it, saying nothing of the front, an A class might be a "brick" but its a cleaner "brick"
Martin
Not very scientific, but our cleaner brick is a very expensive fly squatter, compered to our previous coach built, so it ain't directing much air out of the way.All down to Aerodynamics, if it is an overcab there will lots of dirty air behind it and then again lots of dirty turbulent air behind it, saying nothing of the front, an A class might be a "brick" but its a cleaner "brick"
Martin
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Yes indeed the “teardrop” I can’t imagine that an overcab hump followed by the the low pressure at the back is terribly aero but there again as you suggest not many vans are.Aerodynamics is more to do with the shape at the back of the 'brick' than the front. Drag is less about the hole you punch in the air as the turbulent air you are creating and dragging behind you. Look at a jumbo jet with it's fairly blunt nose, yet long tapered tail. Look at recent car designs where the roof line drops (taking away rear headroom) and the sides tuck-in in an effort to reduce the dragged vortex out the back. As A classes are generally wider and taller (so a larger area out the back) I'd expect them to do worse at speed.
Yeah, an overcab hump is going to make a mess of turbulence. I think the return slope needs to be about 15 degrees maximum or you'll get air flow separation.Yes indeed the “teardrop” I can’t imagine that an overcab hump followed by the the low pressure at the back is terribly aero but there again as you suggest not many vans are.
Martin
Are we really discussing the aerodynamics of a Motorhome it think we had better stop before we get locked up.Yeah, an overcab hump is going to make a mess of turbulence. I think the return slope needs to be about 15 degrees maximum or you'll get air flow separation.
Interesting facts (according to my hydraulics lecturer over 20 years ago):
-Most cars up until at least the early 90s had less drag going backwards than forwards.
-Put your wedge-shaped roof box on backwards and you'll get better mpg (although everyone will think you are an idiot)
-In some cases, putting roof bars on a particularly un-aerodynamic car or van can reduce the drag as it chops the trailing vortices into smaller ones. The power they sap is proportional to their area squared, so chopping one into two will half the drag. This is what some spoilers do.
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I notice a number of posts quoting 70+ MPH. I hope you don't do this in Spain as the limits are under3.5 56 MPH 3.5plus 62MPH and the guardia love to fine you
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