Templot Club Archive 2007-2020
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posted: 17 Jun 2012 13:07 from: Geoff Chatwin
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Good Evening Thank you for the opportunity to participate on this site. I model Swiss Narrow Gauge which is 3.5mm to foot on 12mm track. I use mainly Bemo products but I have found their turnouts and to a lesser degree Peco far from satisfactory. So I am going to have a shot at making my own. The only 12mm track I can find on the site is for TT gauge which is 3mm to the foot. Is someone able to point (no pun intended) me in the direction of some instructions on how to create 12mm track for HO scale? I have tried every keyword I can think off but apparently not the right one! Also, is anyone aware of a site that gives some good instructions on how to make a turnout particularly on how to create a frog. Many thanks. Kind regards Geoff |
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posted: 17 Jun 2012 15:11 from: Nigel Brown click the date to link to this post click member name to view archived images |
Hi Geoff There's no general answer. As in any other scale/gauge combination, the track has to be compatible with the wheel standards used by the rolling stock, in your case Bemo rolling stock. One of the reasons that Templot often offers alternatives within a given scale/gauge combination is because there's more than one set of wheel standards in use. I think what you need to do is find, maybe through some special interest group, someone who has come up with a compatible set of track and wheel standards for Bemo. An alternative is to work out the track standards needed for yourself. The critical wheel measurements are the flange thickness and back-to-back; the combination of these two also gives you another critical measurement, which is the distance from the back of one wheel to the inside of the flange of the other. What sort of problems are you getting? Do they apply to all stock, or just some? If the latter, it's worthwhile checking the back-to-back measurements of that stock to make sure it's correct (i.e. the same as the stock which is OK). Cheers Nigel |
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| Last edited on 17 Jun 2012 15:12 by Nigel Brown |
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posted: 17 Jun 2012 15:54 from: Martin Wynne
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Hi Geoff, Welcome to Templot Club.  The reason there are no narrow-gauge pre-sets available in Templot is that there are just too many of them to list, and it's a minefield trying to establish the actual track standards used, especially for the European ones. For 3.5mm/ft scale on 12mm gauge I suggest using a 1.0mm flangeway in the absence of any definitive information. Start with standard H0 gauge. Then on the gauge/scale dialog (gauge > other gauges... menu item) click the set custom: > a button at the top left. Change the gauge and flangeway settings as required. Then at real > timbering > other length... menu item, enter a suitable length for the sleepers. I imagine 2 metres or 6ft-6in would be about right -- enter 78 inches. When you have the template looking about right, click the main > store as library template menu item so that you can use the settings in your track planning at any time later. regards, Martin. |
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posted: 17 Jun 2012 16:26 from: stuart1600
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Geoff, You don't specify what aspect of Bemo and Peco points is "far from satisfactory". If it is a problem with smooth running, then this is probably a product of differing wheel standards, and Nigel's reply covers this point. But, if all (most?) of your stock is Bemo then the wheel standards will probably be the same, so poor running shouldn't be an issue (in theory!). Is it perhaps that you want a more varied track geometry than is available from a ready-to-run range, enabling track formations that are difficult or even impossible to achieve from fixed geometry systems? Either way, as Nigel and Martin have alluded to, the correct flangeway at wing rails and check rails is the key to smooth running in any scale/gauge. Martin has suggested 1mm, and I have just checked a Peco HOm turnout and the flangeway is indeed 1mm. Nigel suggests a "special interest" group - try the BEMO Group on Yahoo, there is useful advice available there Peco and Bemo track. Regards, Stuart |
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