CHOP CULT HOME
Email Password
Search
Page 3 of 3 First 123

Thread: Clutch

  1. #41
    Senior Member

    Content on this page requires a newer version of Adobe Flash Player.

    Get Adobe Flash player


    Join Date
    Dec 2017
    Posts
    2,719

    Default

    Belleville spring .... ^^
    The new generation ....

    What makes that spring so good over the coil springs of yesteryear is it's ability to give even pressure all the way around the 360 degrees of the clutch pack ...


    The introduction of Norton's Commando series in 1968 had several great changes, including: "an entirely new clutch design from the earlier Norton twins. Designed by Laycock Engineering, the new design featured a diaphragm style spring," http://preservationcycle.com/index.p...86&Itemid=1739
    Click image for larger version. 

Name:	th.jpg 
Views:	34 
Size:	11.6 KB 
ID:	81175
    "At launch, the very early models came with conventional multiplate wet clutches. But these were soon replaced in production with diaphragm clutches." http://www.classic-british-motorcycl...-commando.html

  2. #42
    Senior Member

    Content on this page requires a newer version of Adobe Flash Player.

    Get Adobe Flash player


    Join Date
    Apr 2013
    Posts
    9,433

    Default

    The Belleville washer spring on later Harleys is what birthed those conversions. Thank famous Norton engineer John Favill for bringing them from the Norton to the HD world. If you catch his lectures at Norton meets they are entertaining and informative.

    Too bad Norton didn't copy HD trans instead of the delicate fossil they used.
    Last edited by farmall; 01-20-2018 at 2:22 PM.

Share This



Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Log in

Log in