Injector"spray"vs.evaporation

[swagaero]

B.E. Herron wrote:
> 
> -----Original Message-----
> From: Mario Tito <mario at swingbridge.com>
> To: fi discuss 2 <diy_efi at coulomb.eng.ohio-state.edu>
> Date: Sunday, September 14, 1997 4:47 PM
> Subject: Injector"spray"vs.evaporation
> 
> <snip>
> >The logic goes, carbs can't do
> >this consistently, but the high pressured injectors can atomize better.
> >Yes. And fully evaporated gasoline 'explodes' rather than 'burns', right?
> >  Please- anyone with the scientific answers to this would be appreciated.
> >I am afraid of sparking another "wonder-bra-carb-something-for-nothing"
> >discussion.
> >  If this point is true, then to make the most efficient engine, I should
> >be concerned with not leaving gas-spray on the walls of the intake
> >manifold, and consider sequential injection.
> >
> >Mario T.
> >mailto:Freshmar at aol.com-----'76 VW Camper FI A/T,,'79 Fiat X1/9
> 
> Mario:
> 
> Yes, injectors atomize fuel better than a carb and prevent runner and
> cylinder wetting to a greater extent when placed close to the port.  No,
> fully atomized gasoline still burns, just at a MUCH faster rate and MUCH
> more completely.  A number of years ago, I read about a "Hot Vapor" engine
> that Smokey Yunick designed and developed with the intent of selling to the
> auto companies (none of them bit though - pity).  This system ran the
> air/fuel mixture through a manifold that circulated the engine water around
> the charge and then passed the charge to another manifold that the exhaust
> system ran around (can you say _dangerous_ here) and then dumped the charge
> into the cylinders though a carb.  The mixture was around 400 to 500 degrees
> F when entered into the chamber and fully atomized.  He was getting (if my
> feeble memory serves me correctly) about (150 HP and 50 mpg)

( three-cylinder sprint engine.)

is there any thing in print of how he did this??

Steve 

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