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| Ev Archive for June 1999 |
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| 1207 messages, last added Wed Aug 08 18:45:33 2001 |
[Date Index][Thread Index]
Re: Power brake question
Michael Haseltine wrote:
> As long as you could get it to produce 1000 pounds, it sounds like it would
> work. (The diaphram is 8" or more in diameter, so 50+ sq.in times 22 psi
> vacuum = 1000#)
>
> >I may be showing my automotive ignorance, but how does the vacuum (from
> >pump or ICE intake) boost braking ability? The difference from standard to
> >power brakes appears to be a large, enclosed diaphragm (?) that is
> >activated by vacuum pull. If all you need is the pull or push to boost the
> >brakes, why not a solenoid to pull the diaphragm? Certainly would simplify
> >an EV conversion.
> >Russell Levine
> >Vacaville, CA
> >Hemp retailer and amateur EV'er
> >__________________________________________________
> >FREE Email for ALL! Sign up at http://www.mail.com
>
> Michael Haseltine -- Tucson, Arizona
On my home planet of Earth mean Atmospheric Sea Level Pressure is 29.92 inches
of Mercury or about 14.7 psi. Where are you from to have such a heavy
atmosphere?
--
Grant Wallace
Chattanooga, TN USA
grantwal@bellsouth.net
Shadetree Mechanic
Bootstrap Engineer
and "Daddy"
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