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posted: 4 Mar 2014 12:34 from: Gordon S click the date to link to this post click member name to view archived images |
I've offered to help a friend on this small diorama, but realised it is beyond my capabilities, so wondered if anyone here would like a challenge. He is building a 7mm 'Ivor the Engine' diorama and would like this small section of track to demo his loco. It will be 7mm coarse scale, but the radii may even be outside the realms of Templot. To be honest it's beyond my own capabilities, so wondered if anyone can assist. The straight should be around 700mm and the radii of the curves to the Y in the region of 300mm. I appreciate just how tight these are but wondered if it could be possible? Here's a couple of pics to show what he requires in track terms. Many thanks! image002-2_zpsdcaf1365.jpg image003-3_zpsbd78e568.jpg |
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Last edited on 4 Mar 2014 14:28 by Gordon S |
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posted: 4 Mar 2014 14:01 from: Martin Wynne
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Hi Gordon, Peter asked me for this the other day, but now Templot is free I can only help via this forum. The Y-turnout is tricky because it requires about 1:1.3, and Templot goes down only to 1:1.5. Even at 290mm radius (11.5") it still requires a bit more than 700mm over the straight. These turnouts are 9ftGWR+1:2.1 curviform. The Y-turnout is just a fudge: 2_040851_550000000.png It would all be a lot easier if Peter could go just a bit wider. Although Ivor can probably get round those curves, I doubt he could pull any trucks because of buffer locking and coupling issues. regards, Martin. |
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posted: 4 Mar 2014 14:25 from: Gordon S click the date to link to this post click member name to view archived images |
Thanks Martin. Peter very kindly produced a bridge parapet plan for me for ET, so I had hoped to repay his kindness. It wasn't until I tried last night did I realise what was involved with such a simple plan..:-) I'll pass on the link to him. Thanks again. |
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posted: 4 Mar 2014 14:48 from: Gordon S click the date to link to this post click member name to view archived images |
Can you let me have a copy of the box file please, Martin? I can then convert it and send it to Peter. Thanks again. |
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Last edited on 4 Mar 2014 14:50 by Gordon S |
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posted: 4 Mar 2014 15:01 from: Martin Wynne
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Gordon S wrote: Can you let me have a copy of the box file please, Martin? I can then convert it and send it to Peter.Hi Gordon, I would rather not do that until the Y-turnout is done properly and the timbering shoved. This was just a quick dabble to see what would fit. I need to know if Peter is committed to 700mm ish, or could go wider. Another 100-200mm would make a big difference. regards, Martin. |
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posted: 4 Mar 2014 16:58 from: Gordon S click the date to link to this post click member name to view archived images |
Just checked and the maximum width Peter can accommodate is 850mm. Hope that helps. |
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posted: 4 Mar 2014 17:03 from: Hayfield
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Gordon There was me thinking you were going to change scale !! |
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posted: 5 Mar 2014 00:31 from: Martin Wynne
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Gordon S wrote: Just checked and the maximum width Peter can accommodate is 850mm.Hi Gordon, By using irregular half-diamonds instead of turnouts I have managed to get it within 700mm: 2_041928_330000001.png 2_041928_320000000.png I will post the .box file tomorrow when I have done the timbering. regards, Martin. |
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posted: 5 Mar 2014 19:38 from: Gordon S click the date to link to this post click member name to view archived images |
Thanks Martin, that looks superb! I'm sure PH will be very pleased.. | ||
posted: 8 Mar 2014 12:35 from: Martin Wynne
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Hi Gordon, I have now added some timbering. It's a prototype nonsense of course, but looks the part: 2_080732_570000000.png 2_080732_580000001.png PDF and .box files below. regards, Martin. |
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Attachment: attach_1779_2416_triangle_for_ivor_pages_2014_03_08_1228_18.pdf 200 | |||
posted: 8 Mar 2014 12:38 from: Martin Wynne
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.box file: |
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Attachment: attach_1780_2416_triangle_for_ivor.box 204 | |||
posted: 9 Mar 2014 10:47 from: Gordon S click the date to link to this post click member name to view archived images |
Many, many thanks Martin! I have sent a pdf copy of the file to Pete this morning. No doubt he will be in touch later.. |
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Last edited on 9 Mar 2014 10:47 by Gordon S |
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