Our 50's era trailer had two axles with one being electric and the other hydraulic...
the hydraulic axle was activated by a slave
cylinder that was coupled to a cylinder that was tapped into the vehicle break
lines... the two cylinders were snapped together at
hookup and the tow and trailer were actually connected by a hose.. about 1/4'' id or
there-abouts....The electric axle was controlled
by a KH controller and I remember it was adjustable by turning the hand activation
lever to change the amount of breaking current
to the trailer when a given pressure was applied to the vehicle breaks... worked fine
as far as I remember... I could stop quicker with
the trailer than I could without it....
Jim Clark
05/02/2001 6:12:39 AM, "Harvey Barlow" <[EMAIL PROTECTED]> wrote:
>
>The term "hydraulic brake controller" can be easily misunderstood.
>Airstream may have once offered trailers that actually had hydraulic brakes
>that tapped into the tow vehicle's braking system. I believe Airstream also
>offered trailers with vacuum operated brakes some years ago.
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