[Rhodes22-list] Gas Tanks, Vents, and Carburetors

[Todd Tavares]

Rummy,

I have to agree with Rik

Besides, in carburated engines, (non-super/turbocharged or fuel injected)
fuel doesn't vaporize, it is atomized.   There is a difference, and water
mixed in the fuel would be atomized as well.

Older piston aircraft engines in military fighters actually had water
injection systems to introduce water to "cool" the mixture.  This lowered
the cylinder head temps when the fuel mixture was leaned out during high
speed flight (usually after the ammo was exhausted before the enemies
were, and a hasty retreat was necessary). Water increased power by
suppressing detonation and back firing into the intake manifold as well
as slightly increasing the density of the charge. 

Todd T.

  ----- Original Message -----
  From: "Rik Sandberg"
  To: "The Rhodes 22 mail list"
  Subject: Re: [Rhodes22-list] Gas Tanks, Vents, and Carburetors
  Date: Mon, 01 May 2006 18:13:03 -0500


  Rummy,

  If you believe that, I've got a bridge I'd like to sell you.

  There is no way you're going to pass enough water through the fuel
  ports of a carburetor into a running engine to cause that kind of
  damage. That water was either in there when the engine started, or
  was sucked in through the air horn after the engine was running.
  Any mechanic that tries to tell you it is possible to suck enough
  water through the fuel system to do that is ..... well, it just
  ain't gonna happen.

  Rik

  R22RumRunner at aol.com wrote:
  > Rik,
  > Gasoline going through a carburetor turns to vapor. Water doesn't
  > vaporize real well. I was with a friend on a pontoon boat when
  > his engine sucked the water from the bottom of his tank while
  > going full throttle. The end result was the total destruction of
  > the top end of the motor. It blew the head gasket, bent the rods
  > and crank, cracked the pistons and totally ruined the engine.
  >
  > Rummy
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  >
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