I have been looking for ways to operate the brakes on a trailer I have and have been wondering about uning a small hydraulic ram coupled to the tractor hydraulics. I think this would give brakes that are either on or off but would be usefull as a safety system as the hills round here are very steep.
any comments or thoughts welcome.
Regards,
John
using hydraulics for brakes
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- True Blue
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Re: using hydraulics for brakes
I mentioned this idea a while ago to a local Ag contractor I used to work for. They said it wasn't uncommon in the past. Probably not ideal, but it gives you an option should you need it...
New Performance Super Dexta - Mostly 1964...
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- True Blue
- Posts: 196
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- Location: Spalding, Lincolnshire, England
Re: using hydraulics for brakes
Hi.
I believe many years ago it was done like this, however you would need to be quite careful about how you use them!
I believe many years ago it was done like this, however you would need to be quite careful about how you use them!
Mark
Re: using hydraulics for brakes
the idea would be for an emergency brake. although is there a suitable way to tame the brakes if i use hydraulics?
would it be possible to over power the brakes if i used one of these with a suitable linkage?
http://www.ebay.co.uk/itm/Trailer-Brake ... 2579f7f5d3
was thinking one of these cylinders with a 1/4" hose?
Regards,
John
would it be possible to over power the brakes if i used one of these with a suitable linkage?
http://www.ebay.co.uk/itm/Trailer-Brake ... 2579f7f5d3
was thinking one of these cylinders with a 1/4" hose?
Regards,
John
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- True Blue
- Posts: 153
- Joined: Sat May 16, 2009 9:50 pm
- Location: Norway
Re: using hydraulics for brakes
I guess the force applied to the brake system will be enormous. 5000N at 100bar - 850 kg at 170bar. What you need is a trailer brake valve.mekanicly operated. It will operate the brake sylinders according to the force on the brake pedal.
6o Dexta Roadless
62 Dexta
63 Super Dexta
75 Shilter UT
62 Aebi
62 Dexta
63 Super Dexta
75 Shilter UT
62 Aebi
Re: using hydraulics for brakes
im trying to avoid making it too specilised to one tractor. guess I could reduce the force with a linkage?
or does anyone know a way to reduce the hydraulic pressure?
thanks for the replys
Regards,
John
or does anyone know a way to reduce the hydraulic pressure?
thanks for the replys
Regards,
John
Re: using hydraulics for brakes
why not use a simple surge brake setup like this?
http://www.ebay.com/itm/Titan-Boat-Trai ... es&vxp=mtr
the forward pressure on this coupler provides brake fluid pressure to your hydraulic trailer brakes. when your tractor slows down,,so does your trailer. I have had many boat trailers set up this way.
http://www.ebay.com/itm/Titan-Boat-Trai ... es&vxp=mtr
the forward pressure on this coupler provides brake fluid pressure to your hydraulic trailer brakes. when your tractor slows down,,so does your trailer. I have had many boat trailers set up this way.
1964 Super Dexta, ol'Blue
Re: using hydraulics for brakes
looks similar to over-run brakes exept they used brake cables insted of fluid.
wonder how much troubole it would be to make an over-run coupling
Regards,
John
wonder how much troubole it would be to make an over-run coupling
Regards,
John
Re: using hydraulics for brakes
I have decided to set up a cable running between the 2 brakes and used a hydraulic brake cyclinder to push on the cable to pull both brakes on. should also balance the brakes.
any comments?
Regards,
John
any comments?
Regards,
John