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It seems to me that the overriding factor to getting good economy is the way you drive it and the conditions you drive in.
Why would your i30 be any measure of best possible economy achievable?
This proved that the best economy my car was capable of was 58 mpg (4.9 L/100km) in ideal conditions at 60 mph
No answer to ideal conditions you mention?Add 0,5l on his average due to measurement fault and you get perfectly normal and possible economy.Yea, saw that "my car", but i thought it was quite funny, since you go all-in in every "good economy" topic to point out that it is impossible to have that good economy since you never achieved it with your econ driving style and supposedly ideal driving conditions.I take your numbers to be what 98% of all i30 CRDi are getting!Best fill 55.28 mpg (5.1 L/100km)Worst fill 42.25 mpg (6.7 L/100km)Average to date over 13000 miles 48.92 mpg (5.8 L/100km)There is 1% with far worse, and 1% with far better.Dude here with i30 crdi stated he gets 5.0l average in city driving easily. We were all like c'mon, cut the crap, not possible. Well, he proved us wrong!!Blessed with good thick nerves for easy driving and looks like perfect engine and it was true in the end. This is similar with your jokes about tuning boxes, you had one installed by totally incompetent mechanic and now they are all magic and create liars from people...You are all on the same island, go make i30 owners club UK meet, and finally get some real proof of amazing mpg, or total mistake.
Your measurement by first click is approximate and if you filled ~3 liters less you get ~0.5l/100km better average.What i mean is that you have great car and excellent economy, perhaps not 4l average, instead 4.5l, but still excellent!!!
It will take about 3 weeks to empty it though with the miles I do.
Quote from: succulant on March 06, 2012, 17:16:41It seems to me that the overriding factor to getting good economy is the way you drive it and the conditions you drive in. I would be interested in your assessment of my steady speed test using cruise on a flat road for 6 miles at 60 mph without driver input which resulted in an average of 58 mpg shown on the trip recorder in virtually ideal conditions. Followed by several similar tests without cruise which produced almost exactly the same figure. Do you know of any other way to drive it so that I could achieve your outstanding economy.
Quote from: succulant on March 07, 2012, 12:26:05It will take about 3 weeks to empty it though with the miles I do.There is nothing magical about emptying the tank. Refilling after half emptying should give a good indication. The critical thing for accuracy is to ensure the fill/refill is to the same point, i.e., brimmed.
Drive a couple of feet behind a large truck to get an aero tug
Quote from: AlanHo on March 04, 2012, 00:12:47Drive a couple of feet behind a large truck to get an aero tugI only just caught up with this thread and it has certainly opened up the discussion!This bit caught my eye though - sounds very interesting. I don't think I've evr had one of those before.
Yes, in the slipstream like racing car drivers do.I'd just never heard it referred to as an "aero tug."
Quote from: db08 on March 10, 2012, 05:01:16Quote from: AlanHo on March 04, 2012, 00:12:47Drive a couple of feet behind a large truck to get an aero tugI only just caught up with this thread and it has certainly opened up the discussion!This bit caught my eye though - sounds very interesting. I don't think I've evr had one of those before. Apparently it's an air hostess specialty, db80.
I did this whenever I could when I had my little Honda 250cc Outfit...... Top cruising speed normally was around 80kph but if the truck was doing 100kph, then that was the top speed for my outfit...
If he did that he wouldn't have been in the vacuum area, just in wake turbulence.
Quote from: rustynutz on March 10, 2012, 05:46:00I did this whenever I could when I had my little Honda 250cc Outfit...... Top cruising speed normally was around 80kph but if the truck was doing 100kph, then that was the top speed for my outfit... rustynutz, it's good to see you started practicing safe motorcycle driving techniques from a young age. I hope you maintained the recommended safe 2 second gap and had a plan B if the truck stopped in a hurry