Something a bit different
Posted:
Wed Apr 09, 2014 2:06 pmby Zabhawkin
With everyone posting high power engines I decided to try the other end of the spectrum... A no holds barred high efficiency engine.
Introducing a 320hp 451ftlb 5.5L 4cyl turbo charged beast that also boasts a 48.6% efficiency rating.
Now I just have to find a body big enough to fit it into.
Re: Something a bit different
Posted:
Wed Apr 09, 2014 2:26 pmby nialloftara
Might I suggest a challenge for you
viewtopic.php?f=34&t=2694
Re: Something a bit different
Posted:
Wed Apr 09, 2014 2:42 pmby Zabhawkin
wow
, they topped 63%, not very usable though.
Re: Something a bit different
Posted:
Thu Apr 10, 2014 2:30 amby nialloftara
You do have quite an enviable torque plateau
Re: Something a bit different
Posted:
Thu Apr 10, 2014 4:11 amby Zabhawkin
Yep, was thinking of putting it into a truck or SUV and advertising it as getting 30+mpg while towing your boat to the lake.
Total vehicle cost approx. $100,000
Re: Something a bit different
Posted:
Thu Apr 10, 2014 6:36 amby SamSheepDoq
I hope this doesn't come off as rude, but that engine will not see 30 mpg while towing a boat. Most trucks today won't hit 30 mpg alone, excluding the Ram EcoDiesel (a 3.0L V6). Depending on boat size, you might see double digit fuel economy going uphill, and on flat roads you may even get 18 mpg.
Re: Something a bit different
Posted:
Thu Apr 10, 2014 7:24 amby Zabhawkin
SamSheepDoq wrote:I hope this doesn't come off as rude, but that engine will not see 30 mpg while towing a boat. Most trucks today won't hit 30 mpg alone, excluding the Ram EcoDiesel (a 3.0L V6). Depending on boat size, you might see double digit fuel economy going uphill, and on flat roads you may even get 18 mpg.
No not rude, pretty accurate to be honest.
According to this calculator it should be looking at close to 19mpg while towing at 75mph.
http://ecomodder.com/forum/tool-aero-ro ... stance.php9000lbs
crr .01
Cd 0.6
frontal area 32ft^2
Drivetrain efficiency 0.85
500w of parasitic load
