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PostPosted: Mon Jun 13, 2011 8:17 pm 
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Joined: Mon Sep 07, 2009 3:11 pm
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Location: Brisbane northside
Found an interesting article on Hydrolastic on this website:

http://copeland.id.au/?p=55

And here is a link to the document:

http://copeland.id.au/wp-content/upload ... lastic.pdf

Apologies if this isn't a new one for you...

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PostPosted: Mon Jun 13, 2011 8:36 pm 
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Location: near Baulkham Hills, NSW
Very interesting article. 8)

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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PostPosted: Mon Jun 13, 2011 10:57 pm 
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Joined: Fri Feb 18, 2011 4:21 pm
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Thanks Alec, quite topical for me at the moment.


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PostPosted: Mon Jul 25, 2011 11:47 am 
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Location: Sydney - east - sth west
A good system. and comfort, sability and handling far superior to any solid rubber, coils, leaf springs, etc...

However not as good as the Hydropneumatic systems of Citroen with it's height adjustment, self leveling and ultra smooth ride (even when new in 1954) IMHO - now 50+ years of improvement.

Hydrolastic and Hydragas are generally underrated and should have been further refined.
Hydraulics are such simple systems, no moving metal parts. :D

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PostPosted: Mon Jul 25, 2011 8:17 pm 
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Mort Subite wrote:
Hydraulics are such simple systems, no moving metal parts. :D

In a mini theirs the same amount of metal parts in either set up, just different metal and it's only one piece...the alloy trumpet or metal spacer rod.

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PostPosted: Mon Jul 25, 2011 8:48 pm 
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My 2c...
Rubber cones age badly and go donut shaped, hydro bags don't.
If you keep them working, they keep on working.. 8)
Mine (touches wood) are 41 years old now and the ride is still fine.
If one ever blows (nope, I've never had one do it) I have a bunch of S/H spares.
Sorry guys, none of them are Cooper S ones. :P

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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PostPosted: Mon Jul 25, 2011 10:04 pm 
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What is the best way to store hydro bags long term?

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PostPosted: Mon Jul 25, 2011 10:06 pm 
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Keep hydro fluid in them, and cap the hoses..

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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