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Old 19 October 2014, 05:15   #31
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In Australia almost all braked boat trailers use disk brakes.

They can be applied mechanically by a cable pulling levers on the calliper.

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The cable is activated by the coupler. As the vehicle comes to a stop, the trailer pushes against the vehicle compressing the coupler which activates a lever. The lever has a cable that attaches to the levers on the callipers.

The coupler looks like this.

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The cable attaches to the bottom hole of the lever on the left.

Another way to activate disc brakes is to use hydraulic callipers that are similar to a motor vehicle. The hydraulic master cylinder is activated by the coupler in a similar way to the cable brakes.

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Hydraulic disc brakes can also be activated by an electric/hydraulic unit that is an electric hydraulic compressor that provides pressure to activate the disc brakes when it receives a signal from an in car controller. This is the US system referred to others.

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Old 19 October 2014, 05:36   #32
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^^^ The second photo down of the hitch looks like something from the 1960/70's my father used to have on his trailer . When he wanted to reverse I had to jump out of the car ,hold a lever over on the hitch and put a metal peg/pin in position ,this held the brakes off !, so he could reverse . All good fun when you are a kid !.

Interesting to see whats used around the world, my take is we are way behind here (uk) .
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Old 19 October 2014, 06:04   #33
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That's exactly what you have to do to reverse.
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Old 19 October 2014, 14:44   #34
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Which is exactly why a solenoid is used, so you don't have to get out of the vehicle. The 5th "Blue" wire is the reverse solenoid.



Since I kept the Correct Craft in a locker and used a tractor launch service while it was stored there, the mechanical bypass lockout for the brakes was semi permanently installed with a zip tie.



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Hydraulic disc brakes can also be activated by an electric/hydraulic unit that is an electric hydraulic compressor that provides pressure to activate the disc brakes when it receives a signal from an in car controller. This is the US system referred to others.
Not that I have ever seen. They are either a mechanical hydraulic, or full electric for recreational toy hauling trailers.
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Old 19 October 2014, 14:49   #35
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Petre_C, I have seen those in the US catalogues. We have very different plugs to the US but I am guessing wiring it up to the reverse lights circuit is the way to go.
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Old 20 October 2014, 12:12   #36
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Quote:
Originally Posted by camelgas View Post
^^^ The second photo down of the hitch looks like something from the 1960/70's my father used to have on his trailer . When he wanted to reverse I had to jump out of the car ,hold a lever over on the hitch and put a metal peg/pin in position ,this held the brakes off !, so he could reverse . All good fun when you are a kid !.

Interesting to see whats used around the world, my take is we are way behind here (uk) .
Yep, been there, done that.....

problem with them is you only need to forget to "un flip" it (we're all human!) and you potentially drive off with a couple of tons of unbrkaed trailer on your hitch.

Hence them being banned on new stuff here since forever ago!
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