Quote:
Originally Posted by racprops
I question the accuracy of what is taught in schools.
I do NOT think I will reach 100% BUT I do think it will be much better that what is done now.
I find it questionable that gas vapor systems are somewhat outlawed.
And IF this is a waste of time why did someone pay Tom Ogal so much money??
What do certain inventions disappear??
I feel this is worth looking into..
Rich
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Which is fine, others on this forum have questioned it in many of my posts. This still doesn't change the fact that I, and others have SEEN through combustion photography ( high speed camera views through boro-silicate windows) and measured ( through temperature and pressure measurements) the fact that 98% of the fuel mass is consumed before BDC on the power stroke. Google it. Since you seem to trust Google more than brick and mortar educations. There are dozens of images showing combustion in standard form, HCCI and diesel spray combustion including images from Transonic's old pages that show how their critical point injection system results in rapid dispersion before combustion resulting in little to no particulate formation showing how effective their system was. Why is their system not in production? Did they get bought out? No. They simply could not tame the single flaw of their system - reliability. They had a fuel system that produced 52% thermal efficiency from a gasoline powered car and it simply was too unreliable. They closed their doors in 2015. I had interviewed them for a possible use of their system in our Xprize entry but I quickly realized they were not in the position to execute a demonstration that could last the rigors of the competition.
You may poo poo 52% TE but I say that is a real, useful nugget to begin with. Ernie, a physicist who did some calculations on an Atkinson ( over expanding power stroke ) application to a diesel engine he hoped to run during the AutoXPrize showed that 58% TE is possible. Throw in improved lubrication and thermal coatings and a few more percent could push you over 60% TE.
Or you could run vapor carburetors.