Simplex guard irons

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Simplex guard irons

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  • #1040
    TrevorK
    Participant
      @trevork
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      #75893
      TrevorK
      Participant
        @trevork
        Can any Simplex builder tell me what clearance they’ve used from the wheel rim to the foot of the guard irons. I read on the Simplex site that there were no dimensions given for these in the ME articles, but don’t have any drawings now. I think 0.45″?
        Thanks
        Trev
        #75925
        Mike Wainwright
        Participant
          @mikewainwright87512
          Trev
          I have a set of Simplex drawings and I am quite happy to check the dim for you but I don’t know what you mean by Guard Iron. Let me know and I will check the dimension for you
          #75933
          TrevorK
          Participant
            @trevork
            Mike
             
            They’re the offset angle plates bolted to the front and back ends of the mainframes, cosmetic but shown in Martin Evans’ drawings. My Simplex was built by my father. The poitioning on the frames is fine but they’re too long as there’s to little clearance when the loco is on rails.
             
            Thanks
             
            Trev
             
             
             
            #75936
            Colin Abrey
            Participant
              @colinabrey20074
              Hi Trev,
               
              I think I measured mine from the GA on sheet 1 of the drawings. The front are 1.1/4 below the lower edge of the frames and the rear are 1.3/4 below the lower edge of the frames. Material is 1/8 thick and the joggle is 3/8. The front are hard against the cylinders and have 3 x 6 BA screws vertically, the rear are “T” shaped with 3 x 6 BA screws horizontally.
               
              Hope this helps.
              Colin
              #76049
              TrevorK
              Participant
                @trevork
                Colin
                Many thanks. The back guards were OK, I’ve shortened the front ones to 1 1/4″ and they’re all the same clearance now. On the front the joggle on mine is bigger – the point of the guard is directly over the centre of the rail.
                Trev
                #567894
                Speedy Builder5
                Participant
                  @speedybuilder5

                  Reserection of an old post. There is scant information on the SPEEDY plans as to exact location, but more importantly – What do these guards do ?

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