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13514Re: [7mm NGA] Couplings

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  • Steve Bennett
    Apr 6, 2010
    • 0 Attachment
      Yes, the buffing plate is 8mm across, the body of the coupling though, is only 4.5mm. Once installed and painted, they are pretty difficult to see, between 2 wagons coupled together, they are almost invisible.
      Put them next to a Kadee No5 and it really brings home how small they are.

      ----- Original Message -----
      From: John Dennis
      To: 7mmnga@yahoogroups.com
      Sent: Tuesday, April 06, 2010 11:53 AM
      Subject: Re: [7mm NGA] Couplings

      Thanks Steve,

      I see on http://www.modelsignals.com that both 4mm and 7mm couplings
      are 8mm wide. Even in On30 that seems a fairly wide coupling - it's
      almost half the gauge (indeed, wider than half the prototype's gauge
      of 2'). I think I might have to modify my drawings so they have a DG
      attached so I can try and visualize their appearance.


      On Tue, 6 Apr 2010 10:08:12 +0100, "Steve Bennett"
      <steveblackdog@...> wrote:

      >Hi John
      >The only difference between the 4mm and 7mm scale versions, is the thickness of the brass they are etched from. I would recommend the 7mm as they are more robust.
      >There is no need to form an actual curve on the buffing plate, just a slight bend back on the sides is all that is needed. You would need extremely tight curves to need anything more than that, the loop would come uncoupled long before you got that tight.
      >Steve Bennett
      > ----- Original Message -----
      > From: John Dennis
      > To: 7mmnga@yahoogroups.com
      > Sent: Wednesday, March 31, 2010 11:50 AM
      > Subject: Re: [7mm NGA] Couplings
      > Hi all,
      > I've been pondering this email for the last week or two, and am
      > seriously contemplating the DG couplings for my On30 layout. I would
      > expect that the best option is the 4mm version.
      > A question: I note in the linked thread that the buffing plate is bent
      > down, and remains flat. Would there be any benefit in bending this
      > plate into a slight curve - if possible? This might help when
      > propelling trains on a curve. Anybody tried this?
      > John
      John Dennis jdennis@...
      Melbourne,Australia Home of the HOn30 Dutton Bay Tramway
      and the Australian Narrow Gauge Web-Exhibition Gallery
      Dutton Bay URL: http://members.optusnet.com.au/duttonbay
      WebX http://members.optusnet.com.au/jdennis/ng_webex.html

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