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Northumbrian AXLE BOX SPRINGS

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Northumbrian AXLE BOX SPRINGS

Home › Forums › Locomotives › Northumbrian AXLE BOX SPRINGS

Viewing 9 posts - 1 through 9 (of 9 total)
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    Posts
  • 4 March 2010 at 08:18 #49378
    bellerophon
    Participant
      @bellerophon
      I have found the dimensions for the trailing axle springs but can’t seem to find the driving axle box spring dimensions – am I missing something or can anyone tell me what wire gauge to use and what the  spring dimensions (turns and overall height) should be?
       
      Thanks
       
      Donald Campbell
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      4 March 2010 at 08:18 #934
      bellerophon
      Participant
        @bellerophon

        Can’t seem to find wire gauge and dimensions for leading axle box springs

        8 March 2010 at 08:54 #49521
        Chris
        Participant
          @chris16039
          Try Part 5, Fitting the Wheels and Axels, page594, where there are instructions on making the springs and wire sizes.
          22g for the driving and trailing wheels. 1 1/4 for the drivers and 5/8 for the trailing. Tender springs are recommended at 26g and 5/8. (Part 9, Page 257).
          Can you recommend a supplier of piano wire Donald as I haven’t found one yet.
          Chris.

          Edited By Chris on 08/03/2010 09:09:25

          8 March 2010 at 09:10 #49522
          KWIL
          Participant
            @kwil

            Reeves 2000 have these guages in stock according to Cat.

            8 March 2010 at 09:10 #49523
            MichaelR
            Participant
              @michaelr
              Model Aircraft stockists should have Piano Wire, try this oneHere
              8 March 2010 at 10:49 #49527
              bellerophon
              Participant
                @bellerophon
                Thanks to Chris – yes REEVES 2000 keep stainless spring steel wire for this (sales@ajreeves.com – from memory about £7.50 per 7 metres)
                 
                Donald campbell
                8 March 2010 at 13:28 #49544
                JasonB
                Moderator
                  @jasonb
                  For chris and anyone else who has not used piano wire before, don’t try cutting with a pair of pliers or sidecutters unless you want to damage the cutting edges. Small cut off wheel in a dremel type tool is probably the best option. Don’t think you really need to go for stainless in this application, save it for safety valve springs etc, the cheaper piano (music) wire will do the job. The model aircraft shops keep it in about 36″ or 1m lengths, a 0.5 kg coil from Reeves will last several lifetimes.
                   
                  Jason

                  Edited By JasonB on 08/03/2010 13:31:04

                  9 March 2010 at 17:05 #49612
                  Chris
                  Participant
                    @chris16039
                    Thanks to all for the addresses and Jason for the cutting methods. I was just about to dismantle the old Joe Anna for parts! The way I play the piano the neighbours would probably have been grateful.
                    Chris
                    18 March 2010 at 08:05 #49876
                    bellerophon
                    Participant
                      @bellerophon
                      REEVES PIANO WIRE IS CHEAPER THAN I THOUGHT!! it’s more like £3 – no connection with them other than as a satisfied customer
                       
                      Donald Campbell
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