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Search: Posts Made By: stoatwblr
Forum: EcoModding Central 02-17-2017, 01:43 PM
Replies: 144
Views: 23,567
Posted By stoatwblr
I'll stay away from the engine and drivetrain,...

I'll stay away from the engine and drivetrain, except to note that for all the naysaying, Cummins and the other makers all produce heavy engines which are generally as optimally tuned for fuel...
Forum: General Efficiency Discussion 01-11-2017, 04:46 PM
Replies: 54
Views: 12,296
Posted By stoatwblr
It should be noted that due to ownership of...

It should be noted that due to ownership of various brands, the same engines crop up in deferent "makes"

Renault==Dacia and engines are shared with Nissan.
Volkswagon == seat == skoda (and...
Forum: General Efficiency Discussion 06-07-2016, 05:52 PM
Replies: 106
Views: 17,648
Posted By stoatwblr
For aircraft: Power to weight. A piston engine of...

For aircraft: Power to weight. A piston engine of the same output as a large turbine would be so heavy the aircraft won't fly (imagine a 747 with 10 piston engines, as one example, or look at the...
Forum: Aerodynamics 04-10-2014, 08:02 PM
Replies: 298
Views: 300,415
Posted By stoatwblr
They don't. In fact they (and single fat pipes)...

They don't. In fact they (and single fat pipes) can seriously damage economy. The only benefit they give is at maxpower/rpm (Wide open throttle)

Otto engines need back pressure at low speeds or...
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