2012 Civic 5MT Impressive MPG numbers!

blackZ

blackZ

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Wayne Gerdes known for hypermiling techniques got an impressive ​
79.2mpg(i-Mid) or 89.9mpg(actual) in 2012 Civic 5MT​

.​

His previous records:​
59.58mpg in Sonata Hybrid​
59mpg in 05’Accord 5AT​
81.5mpg in '10Fusion Hybrid​

Source: ​
Start with post#19​
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civicmpg0.jpg
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I wonder if he is going at traffic speed or way below the limit, annoying everyone behind him.:shady:
 
Does he draft behind semi trucks???
 
Dar-Dar said:
Does he draft behind semi trucks???
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While this is far to short a distance for a true calibration drive, I bounced the back end of the car 4 times between each possible top offs until it would hold no more. The 89.6 mpgUS result was astounding and it all has to do with a fantastic 5-speed stick that is the slickest shifting MT in the business. Ratios are far to short for decent steady state but this thing takes off when going advanced and using a double rhythm P&G method. I will describe this in detail at a future point.

I wonder what the driving method actually is and why does filling up gas to the top of the filler neck matter?
 
KennyGS said:
His tire pressure is probably very high.
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I think he mentioned that he keeps the tires inflated to 51 psi. I keep mine at 35 psi, I don't want to risk losing traction on the road.
 
"pg"- probably referring to pulse and glide. You're basically going over your intended speed by like 5mph or so, followed by coasting till you're 5 or so under the speed, followed by pulsing back up to 5 over...then back to coast. Doing that instead of keeping the gas at a steady 70mph or whatever has proven to yield much higher gas figures.

Double rhythm p&g- not sure but it's surely a variation of the above.
 
4.56 a gallon? where? It's 4.70 here.
 
the same principal applies. Once you're in a cruising gear, you'd be doing the pulse and glide. If you're in constant stop and go traffic, or shifting a ton, it's not going to work. You need stretches of ground to clear. The longer the distance between having to stop at a light the better your results will be.
 
Mythbusters proved that even 100ft or so behind a semi yielded something ridiculous like a 40% reduction in drag. You don't even have to try and tailgate, just stay 5 car lengths back or so.
 
Nix said:
Mythbusters proved that even 100ft or so behind a semi yielded something ridiculous like a 40% reduction in drag. You don't even have to try and tailgate, just stay 5 car lengths back or so.
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Thats kinda dangerous, it not only increases the chances of rear end collision but also creates disturbance in the air-flow. I was behind the semi the other day and I could literally feel my car shaking.
 
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