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power steering

 
 
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piggy
Just got MTs


Joined: 30 Nov 2007
Odometer: 189
Location: gt waldingfield suffolk



PostPosted: Tue Sep 08, 2009 7:15 pm    Post subject: power steering Reply with quote

hi dudes,

your thoughts are needed on the subject of power steering i.e hydro assist or full hydro

my understanding is that full hyro is illegal on the road,on anything other than agricutural

also is hysro assist any safer because of retaining the mechical link i.e the pitman arm

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sj,rangerover,90 i have had them all, just fell in love again, its a mog!!
shush dont tell the mog i'm having an affair..... with a spider!!!!
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dxmedia
Mud Obsessed


Joined: 10 Dec 2008
Odometer: 2185




PostPosted: Tue Sep 08, 2009 8:29 pm    Post subject: Reply with quote

My understanding is the same as yours on all of the above points.

I'm thinking along the lines of using a 1970's esc tractor hydro assist system.
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piggy
Just got MTs


Joined: 30 Nov 2007
Odometer: 189
Location: gt waldingfield suffolk



PostPosted: Tue Sep 08, 2009 9:19 pm    Post subject: Reply with quote

what is a 1970's esc tractor hydro assist system. is it a power steering box drilled to power a ram and are you uk or usa or what?
__________________________________
sj,rangerover,90 i have had them all, just fell in love again, its a mog!!
shush dont tell the mog i'm having an affair..... with a spider!!!!
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dxmedia
Mud Obsessed


Joined: 10 Dec 2008
Odometer: 2185




PostPosted: Tue Sep 08, 2009 9:24 pm    Post subject: Reply with quote

UK.

A 1970's era tractor's power steering setup using the hydro assist parts.

There's a steering box, a dual action ram which connects to the trackrod and you'll need a power steering pump attached somewhere. Very simple system and would bolt on pretty much anything with a beam axle.

After the 70's early 80's tractors went full hydro, so before then and after the late 50's they used a hydro assist system. Simple, cheap, reliable, and powerful enough to turn, um, tractor tyres.

It's the route I've been thinking about taking. Any power steering system of any vehicle can be made to fit, depends on how much time and effort you want to put into something.
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piggy
Just got MTs


Joined: 30 Nov 2007
Odometer: 189
Location: gt waldingfield suffolk



PostPosted: Tue Sep 08, 2009 9:42 pm    Post subject: Reply with quote

why power assist over full hydro?
__________________________________
sj,rangerover,90 i have had them all, just fell in love again, its a mog!!
shush dont tell the mog i'm having an affair..... with a spider!!!!
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dxmedia
Mud Obsessed


Joined: 10 Dec 2008
Odometer: 2185




PostPosted: Tue Sep 08, 2009 9:47 pm    Post subject: Re: power steering Reply with quote

piggy wrote:
hi dudes,

your thoughts are needed on the subject of power steering i.e hydro assist or full hydro

my understanding is that full hyro is illegal on the road,on anything other than agricutural

also is hysro assist any safer because of retaining the mechical link i.e the pitman arm


Rolling Eyes
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mike97
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PostPosted: Wed Sep 09, 2009 7:01 pm    Post subject: Reply with quote

I've been thinking about power steering for some time, I have heard a few people talk about full hydo being illegal??, but I would love to know if this is true or a bit of a myth?? Full hydraulic steering must be safe, or it would never be used on tractors, construction vehicles, forklifts etc etc?

As for hydo assist, this also a good idea for reto-fitting onto older trucks, this company supply kits for old tractors

http://www.agrilineproducts.com/retail%20catalo...ts_catalogue.html

Mike
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dxmedia
Mud Obsessed


Joined: 10 Dec 2008
Odometer: 2185




PostPosted: Wed Sep 09, 2009 7:39 pm    Post subject: Reply with quote

Something about the construction and use act. Dit of a discussion here.

http://www.mud-club.com/forum/index.php/topic,68677.60.html

Strangly about a bloke putting portals on a disco.
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piggy
Just got MTs


Joined: 30 Nov 2007
Odometer: 189
Location: gt waldingfield suffolk



PostPosted: Wed Sep 09, 2009 7:40 pm    Post subject: Reply with quote

thank you mike 97,
i thought all i was going to get from this post was sarkey rolley eyed smileys,

this was one of the ways i was told about today, it seems that the rams have a special valve in them that feels the direction turn from the steering wheel then assists through the use of hydraulics, good price too as a second hand one is in ebay at mo for £200 ish so i have been told

it doesnt seem that there is much interest in this post at the mo,
my thoughts on full hydro are that if you burst a pipe you would have no steering at all, so this cant be good.

hydro assist, you have drilled and taped pipes to a power steering box (landrover) and sent pipes to a ram, if you burst a pipe will you loose all steering or will the mechanical link still steer, what do you think.

thank you david

__________________________________
sj,rangerover,90 i have had them all, just fell in love again, its a mog!!
shush dont tell the mog i'm having an affair..... with a spider!!!!
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mike97
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PostPosted: Wed Sep 09, 2009 8:08 pm    Post subject: Reply with quote

Well, I've been working on tractors and plant for years and it rare for a pipe to busrt, this only happens when pipes are exposed and get damaged. Normally you get a leak first which give you time to get it fixed before you loose steering.

If you fit an assist ram with your land rover box, then IF you damage a pipe/ loose oil you can still steer due to a mechanical link, this is the case for all cars really.

mike
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normalbloke
Articulating


Joined: 29 Aug 2007
Odometer: 633




PostPosted: Wed Sep 09, 2009 9:23 pm    Post subject: Reply with quote

I believe you are going to fail any MOT with full hydro on anything other than AG registered.
From a common sense point of view I would not want to be driving anything faster than typical AG speeds with full hydro in case of failure,whether it be a hose or seal etc.It may be that failures are rare,but the consequences of that failure could be devastating.
This was one of the reasons most AG stuff is forbidden from motorways and has tough speed limits in force( as well as no suspension etc)

Just my tuppence and it may all be b@llocks.
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