<VV> <WW> steam brakes

[Ron]

If you are capable of standing on one foot, you can then push on the pedal 
with a force equal to your weight with no more effort.  Do you collapse on 
one foot?
RonH

----- Original Message ----- 
From: "James Davis" <jld at wk.net>
To: "Padgett" <pp2 at 6007.us>; <virtualvairs at corvair.org>
Sent: Thursday, July 07, 2005 12:34 PM
Subject: Re: <VV> <WW> steam brakes


> With an overall mechanical and hydraulic ratio of 8.276:1, on a 1965 
> Corvair; 1000 psi line pressure would take 121 pounds of pedal pressure. 
> I doubt you foot is that big :-).
> Jim Davis
>
> At 07:52 PM 7/6/2005, Padgett wrote:
>
>>>it would expand
>>>forcefully and lock up the brake system (INCREASING rather than 
>>>DECREASING
>>>the volume occupied by fluids in the close brake system).
>>
>>Two things to keep in mind:
>>1) the pressure when you apply the brakes easily exceeds 1,000 psi
>>2) while  steam will try to expand when water boils, that is in constant 
>>pressure. While water and brake fluid are both incompressible (why juice 
>>brakes work), steam is a compressible gas like air.
>>
>>It might be forceful but is probably not forceful enough.
>>
>>Now that is purely a swag, anyone know ?
>>
>>Padgett
>>
>>
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