Results 1 to 6 of 6

Thread: early RRC rear damper setup?

  1. #1
    Join Date
    Apr 2008
    Location
    Kenya
    Posts
    227
    Total Downloaded
    0

    early RRC rear damper setup?

    Was there any reason to the set up of rear dampers / shocks on early RRCs - with one shock facing forward and one backwards? How does this setup influence ride and handling compared with the later setup with both shocks facing the same direction?

    Cheers!

  2. #2
    Join Date
    Jul 2006
    Location
    East-South-East Girt-By-Sea
    Posts
    17,578
    Total Downloaded
    0
    AFAIK It was considered engineering best practice to fit the shocks in that arrangement to reduce the torsional effects on the assembly. By the Phase II Range Rover in '85 they had decided that the arrangement made no real world difference so it was deleted. I believe that you will also find one of the Toyota Fourunner/HiLux models has a similar arrangements.

  3. #3
    Join Date
    Apr 2009
    Location
    Crafers West South Australia
    Posts
    11,732
    Total Downloaded
    0
    On leaf sprung vehicles it definitely helps reduce axle tramp in sand esp. Commonly seen on Jap utes. No idea why the RRC had it. The RRC axle is too well located.

  4. #4
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
    Join Date
    Jan 1970
    Location
    Central West NSW
    Posts
    28,805
    Total Downloaded
    0
    Somewhere I have read (probably in Taylor) that it was introduced during testing, before release, to reduce axle tramp. I suspect the problem was reduced sufficiently later by fine tuning of geometry, bush material, spring rates etc, or possibly just disappeared as the empty weight of the vehicle inexorably crept up.

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  5. #5
    Join Date
    Jan 2010
    Location
    gordonvale
    Posts
    77
    Total Downloaded
    0

    rrc shock setup

    It helps with all torque forces where the diff rotates fore aft.....the movement that sees the nose of the diff go up and down as the whole housing rotates.

    It dampens every gear change etc.

    On the effects of that system in relation to the later with both forward, on the road i doubt many of us on here would pick any difference from behind the wheel....

    HOWEVER, when rock crawling or looking for extreme travel, the rearward facing shock limits travel by several inches on droop relative to the forward facing side on droop.

    This is due to the nature of the 3 link with central ball joint causing the drooping wheel to move forward on extreme droop, and the tucked wheel to move back. In my opinion and experience, extreme wheel travel, particularly droop, is easier to achieve with the double forward facing setup.

  6. #6
    Join Date
    Apr 2008
    Location
    Kenya
    Posts
    227
    Total Downloaded
    0
    Thanks for all the replies!

    Quote Originally Posted by popemobile View Post

    HOWEVER, when rock crawling or looking for extreme travel, the rearward facing shock limits travel by several inches on droop relative to the forward facing side on droop.

    This is due to the nature of the 3 link with central ball joint causing the drooping wheel to move forward on extreme droop, and the tucked wheel to move back. In my opinion and experience, extreme wheel travel, particularly droop, is easier to achieve with the double forward facing setup.
    So, a double rear shock set up in 'V' formation equals very little droop or down-travel?

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Search AULRO.com ONLY!
Search All the Web!