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posted: 18 Nov 2007 18:09 from: Mik Raybould
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Hi I'm trying to build a tandem turnout, B6 and A6 oppsite hands. But get stuck on the middle crossing. The videa uses an A4.5 crossing. How do you work out the middle crossing angle/ratio? My resultant curve are 1331 and 3341 mm. Mick Raybould |
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posted: 19 Nov 2007 13:01 from: Andy B click the date to link to this post click member name to view archived images |
Hi Mick, I'm about to do my first tandem - so I've been carefully studying Martin's videos. Watch it again - Martin creates the centre crossing initially using a 1:4.5, but after placing it in the correct position he changes the the crossing angle to 'any angle' and manually adjusts it. 6 mins and 31 seconds in to the video is the critical point! Andy |
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posted: 20 Nov 2007 20:30 from: Mik Raybould
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Thanks Andy. I've worked out what I was doing wrong - I forgot to put the - sign in front of the curve radius on the turnout used for the middle crossing. Twit. regards Mik |
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