Templot Club Archive 2007-2020
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posted: 7 Feb 2011 20:15 from: Paulr1949
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Hello again - two problems in one night! For the entry/exit to a fiddleyard, I want to have one track a continuous curve. So for each pair of sidings off the main entry track, one on each side, I would like to have one as a "normal" curved point and the other as a straight point with the branch track radius the same as the entry track's curve. I can't seem to persude Templot to do this. I am obviously doing something wrong because it must be possible - isn't it?!? Paul |
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posted: 7 Feb 2011 20:42 from: Martin Wynne
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Paulr1949 wrote: For the entry/exit to a fiddleyard, I want to have one track a continuous curve. So for each pair of sidings off the main entry track, one on each side, I would like to have one as a "normal" curved point and the other as a straight point with the branch track radius the same as the entry track's curve.Hi Paul, That's not necessarily the best solution. The geometry is much simpler and quicker if you apply contraflexure to a turnout and leave the main road in the ruling curve. Simply start with one of the turnouts leading to the inside of the main curve, and then click template > invert handing menu item or press CTRL+X. Then F9 mouse action to slide it into position. Because of the contraflexure the radii will be eased, and you will probably find that you can shorten the turnout to a smaller size (F5) without infringing your minimum radius, and so perhaps fit in an extra fiddle yard track. If you really do want the main road of the turnout to run straight off to the outside of the ruling curve, you need to adjust the substitution radius (external geometrical radius) for the turnout. There is a video showing how to do that for exactly the situation you describe, at: http://www.templot.com/martweb/videos/subs_rad.exe but using contraflexure is 10 times easier and much more prototypical.  regards, Martin. |
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posted: 7 Feb 2011 21:10 from: Paulr1949
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Hi Martin Thank you for the speedy reply. There is one place on each side where I think I need a straight point - I don't need extra sidings (we have 14 and no space within the board width for any more! However, if it is that much easier I will look again. One reason is purely that it may be possible to re-use some track we already have in the fiddleyard regards Paul |
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