Doug, that's kinda what I had remembered. I like the idea for use on the
Sunbeam , now just gotta find one that has a high pressure cap as well
as the recovery flapper...
mayf
Doug Odom wrote:
> The overflow tank must be vented. If you want to recover the water
> that is pushed out from expansion the hose from the motor must be
> below the level in the tank. Recovery systems must use a recovery type
> rad. cap. There are 2 rubber seals on the recovery type cap. As the
> motor cools it pulls the water back passed the flapper valve in the
> cap. The flapper valve works like a one way valve. Set up correctly
> the system will burp the air out and the system will be 100% coolant
> if you don't open it. If you ever see a car with the hoses sucked
> together it is because the flapper valve is not working. My wifes car
> years ago had that happen.
> Doug Odom in big ditch
>
>
>
> ----- Original Message ----- From: "Rich Fox" <v4gr@rcn.com>
> To: <neil@dbelltech.com>; <drmayf@mayfco.com>; "'James Tone'"
> <gmc6power@earthlink.net>
> Cc: "'LSR'" <land-speed@autox.team.net>
> Sent: Wednesday, April 16, 2008 7:51 PM
> Subject: Re: [Land-speed] Radiator Catch Cans...
>
>
>>> Looks like to me that as the water heats it expands and pushes out teh
>>> excess into a sealed container. As it cools it contracts and the
>>> pressure
>>> now higher in the container pushes the water back. Venting would
>>> seem to
>>> defeat the principal RF
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