[Land-speed] Radiator Catch Cans...

[Rich Fox]

That sounds better than my way.
----- Original Message ----- 
From: "drmayf" <drmayf at mayfco.com>
To: "Doug Odom" <dlodom at charter.net>
Cc: "Rich Fox" <v4gr at rcn.com>; <neil at dbelltech.com>; "'James Tone'" 
<gmc6power at earthlink.net>; "'LSR'" <land-speed at autox.team.net>
Sent: Wednesday, April 16, 2008 10:07 PM
Subject: Re: [Land-speed] Radiator Catch Cans...


> 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 at rcn.com>
>> To: <neil at dbelltech.com>; <drmayf at mayfco.com>; "'James Tone'" 
>> <gmc6power at earthlink.net>
>> Cc: "'LSR'" <land-speed at 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