Reply With QuoteDefinitely useful! Kept the bum level while driving whilst allowing the super supple suspension Rangies became famous for.
Was the self leveling system in the RRC a useful thing. Or is it more of a back in the hay day type thing
TopicToaster
Definitely useful! Kept the bum level while driving whilst allowing the super supple suspension Rangies became famous for.
Is it hard to refurbish one?
TopicToaster
If you do a search for 'Boge' or 'self levelling' in the RRC section there is some advice on where to get them refurbished, but it cannot be done at home due to the extremely high pressures involved.
I had disposed of my County's dead unit before realising their potential, so bought a new/takeoff from UK ebay.
Cool sweet. What sort of pressures are involved and what gases? I may have access to some of the equipment
ChatterBox
From what I know of them there is no special gas. It self pumps up with air.
YarnMaster
I don't think so.Originally Posted by Judo
AFAIK have pulled some apart, they don't appear to pump up with air.
Air flowing in lines with oil is a dangerous combination. In these type of systems inert gasses must be used. For example bladder type hydraulic accumulators are charged with nitrogen.
Master
SubscriberI remember read on a forum once, & probably this one, that if you have a lift, you probably don't need the unit any longer? Don't personally know whether this is true or not but my RRC has a saggy bum so will be interested in what people advise.
Cheers,
Stu
1993 Range Rover Vogue SE 3.9lt - languishing
2 x 1981 3.5lt V8 2dr Range Rover
1958 Series 1 109" - "Bob" - COVID project
Who wants another politician as Head of State? Not me:
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ChatterBox
They seem to be rare these days.. I know a lot of them were removed, but not sure why. Maybe they broke? Mine had one but has been removed sometime before I owned it. My Dad has a County and it was removed by Fred Smith. (Big LR enthusiast + mechanic in Melb) Fred apparently recommended to remove it. Unfortunately I don't know why...
TopicToaster
They stop working after a fair few years apparently. My County had one when I bought it but it didn't work, though it is lifted past the ride level of the Boge unit.
And that is why they don't work with lifted vehicles, the 'Boge Hydromat' has a particular ride height that it pumps up to, which works with standard length springs to give standard ride height. Use other springs to raise the ride height of the Landy above the ride height of the leveller, and it becomes redundant.
In 110s the Hydromat was coupled with 180lb/inch rate springs, without self levelling the standard springs are 225lb/inch ISTR. Raise the spring rate, reduce flexibility, decrease comfort. Defenders when unladen sit with a bum-up attitude, whilst 110s with self levellers sit bum-down until the first few bumps are encountered, when they sit level no matter the load in the car.
As 'Hydromat' implies, there is fluid inside, as Bush65 said an oil, and a very high pressure gas, but I don't know at what pressure. Probably not too dissimilar to gas shock absorbers.
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