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Re: [7mm NGA] Maximum Gradients?

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  • TonyW
    Thanks Howard! I am hoping to get a 3 foot radius if I can, assuming 6” / 150mm headroom, but I will only be running either 4 Peco coaches or small wagons,
    Message 1 of 5 , Mar 22, 2013
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      Thanks Howard! I am hoping to get a 3 foot radius if I can, assuming 6” / 150mm headroom, but I will only be running either 4 Peco coaches or small wagons, rather than 8, at this moment in time. I now know that I will close though.

      Regards,

      Tony

      From: Howard Clarke
      Sent: Thursday, March 21, 2013 7:50 PM
      To: 7mmnga@yahoogroups.com
      Subject: Re: [7mm NGA] Maximum Gradients?


      Hi Tony
      Most important question is how much room have you got for your spiral, the sharper the curves the more traction is needed.
      A spiral with a 2-foot radius curve the you 0-4-0 should pull 4 bogie coaches/8 4-wheel wagons on a 1;20 rise.
      Hope this helps
      On a cold windy night
      Well it sounds like that outside my workshop with the heater on full chat
      Happy modelling
      Howard 215
      ----- Original Message -----
      From: TonyW
      To: mailto:7mmnga%40yahoogroups.com
      Sent: Thursday, March 21, 2013 7:20 PM
      Subject: [7mm NGA] Maximum Gradients?

      Yet another question please - As I want to put a spiral in one corner of my
      proposed layout to minimise the amount of space needed for a line up to a
      second tier, what is the steepest gradient I could expect a Hornby chassis
      wearing a Smallbrook body with additional weights for extra traction to
      climb please, as this will then affect the minimum radius for a specific
      rise which may in turn may be too big.

      Thank you,

      Tony Wells.

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