Author Topic: Fuel efficiency  (Read 6657 times)

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Offline RichFox

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Re: Fuel efficiency
« Reply #15 on: June 12, 2020, 01:36:56 PM »

Offline wobblywalrus

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Re: Fuel efficiency
« Reply #16 on: June 12, 2020, 03:49:31 PM »
The intake charge is static and trapped behind a closed intake valve during the period when most fuel vaporization happens.  Would not big droplets of fuel be best?  The reason is the vaporization of larger droplets requires more energy and this results in a cooler and more dense intake charge.   

Offline jacksoni

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Re: Fuel efficiency
« Reply #17 on: June 12, 2020, 09:07:23 PM »
The intake charge is static and trapped behind a closed intake valve during the period when most fuel vaporization happens.  Would not big droplets of fuel be best?  The reason is the vaporization of larger droplets requires more energy and this results in a cooler and more dense intake charge.
A cooler denser charge is good, but if the big droplets don't vaporize, they don't burn. Consistent good cycles depend on consistency of the mix and give the most power.
Jack Iliff
 G/BGS-250.235 1987
 G/GC- 193.550 2021
  G/FAlt- 193.934 2021 (196.033 best)
 G/GMS-182.144 2019