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Poll

Which Flangeway clearance would be preferred?

Large 1mm Flangeways, most RTR locos & stock can run through unmodified
116 (53.5%)
Finer 0.8 - 0.85mm Flangeways, RTR locos & stock will need back to backs checking with a Gauge
101 (46.5%)

Total Members Voted: 213

Author Topic: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?  (Read 236379 times)

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Offline Wayne Kinney

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #105 on: January 30, 2012, 05:08:07 PM »
In terms of cost, it should be fine to produce both types of bases. It is more time in designing than actual manufacturing costs. The company that will mill the bases can nest different designs on one sheet, so I just reorder what sells...

Regarding prototypical bases, what formations would you guys like to see?
Thanks,
Wayne.

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Offline MacRat

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #106 on: January 30, 2012, 07:32:04 PM »
Am I right in assuming that the point bases will be rigid straight?

Regarding prototypical bases, what formations would you guys like to see?
Wishlist? You'll probably see all kind of designs mentioned in due course. I think an A6 for yards and B8 would be a good start.

Offline thos

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #107 on: January 30, 2012, 07:56:22 PM »
I concur.  B8 and B10 for me, but A6 will probably sell better.  I would also like curved turnouts, but that raises the question of what curve radii.  I would re-emphasise that every turnout should have a matched diamond crossing.

Online Richard G Dallimore

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #108 on: January 30, 2012, 09:03:23 PM »

So onwards with the project - I should have milled base samples this week, still waiting for quotes on the etching company for the frog assemblies (been nearly 3 weeks).
[/quote]

Hi Wayne
I can recommend PPD etching for good fast service and quoting.
Regards
Richard
Formerly NtasticShop
Dapol Apologist (according to RMWeb)
Grumpy Old Git (Late 40s)
Member of NGS (but not allowed to comment)
Why am I surrounded by maroons?

Offline EtchedPixels

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #109 on: January 30, 2012, 10:27:51 PM »
I'll second the PPD recommendation - its also who I use.

Alan
"Knowledge has no value or use for the solitary owner: to be enjoyed it must be communicated" -- Charles Pratt, 1st Earl Camden

Offline Wayne Kinney

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #110 on: January 31, 2012, 09:14:57 AM »
Hi Guys,

Thanks for the contact, they look promising. I will get in touch today.
Thanks,
Wayne.

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Online red_death

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #111 on: January 31, 2012, 11:08:22 AM »
In terms of point geometry I would look at what the 2mm Association provides and the P4 track company as indicators.

Longer term you might want to think of flat bottom turnouts, which would be very cool (but pretty long!).

Cheers, Mike



Offline Wayne Kinney

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #112 on: February 09, 2012, 04:37:42 PM »
Hey,

Little update. I have received samples of both a milled base and also an etched 1 in 6 frog :)

Bellow shows the base sample:




This version is before I trimmed back on the sleeper ends. I am happy though, its clean and the accuracy of the locating holes are great - I can really see this working! The depth of the webbing was not cut at the right depth (communication error) so the webbing is thicker than it should be.

The price qouted for these is a little high, however. I beleive I am going to look into purchasing a CNC router and milling these myself. This means I can keep the cost down and also remove the need for ordering high numbers of bases. It also means I can prototype new bases quick and easily.

The etched frog did not work so well and its my fault to be honest. I have tried to make the frog from 2 layers, one 22 thou thickness layer and the other an 18 thou thick layer (put together to make code 40). I liked the idea of only needing 2 layers, and this seemed cleaner and easier to assemble. The problem is, this is really too thick a material for such a fine etch with thin lines, so the rail has been etched away so too thin and detail lost (by the way, the etch samples were done for me free by PPD, great guys):




No worries, I am going to change and use 3 layers, the top layer from 10 thou, and the middle and bottom from 15 thou. I beleive this will get us the results we need :)

In the meantime, the moulder has called me today to discuss the process and pricing, all seems good there.
« Last Edit: June 24, 2013, 10:55:20 AM by Wayne Kinney »
Thanks,
Wayne.

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Offline EtchedPixels

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #113 on: February 09, 2012, 04:42:28 PM »
A tip on here for three layer etching and assembly I learned from Colin Allbright - etch holes through the solid parts of the middle layer so that there is somewhere for the glue/solder to go and so that all three layers are bonded as one.

Alan
"Knowledge has no value or use for the solitary owner: to be enjoyed it must be communicated" -- Charles Pratt, 1st Earl Camden

Offline polo2k

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #114 on: February 09, 2012, 05:11:55 PM »
You mentioned that the bases might be more expensive than you thought.

might it be viable to cast a resin mould of a correct base, then cast yourself. you could use a vacuum or centrifuge system to ensure it works as intended.
Cheers
-Ash-



The only way to guarantee failure, is not to try

Offline Wayne Kinney

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #115 on: February 09, 2012, 05:17:55 PM »
Hi Ash,

To be honest I have no idea :D It's not a process I am familiar with but I am interested in the idea and what exactly would be involved? The base would need to be black ABS or styrene for the chairs to solvent/glue onto.
Thanks,
Wayne.

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Online red_death

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #116 on: February 09, 2012, 05:22:58 PM »
It doesn't need to be ABS or styrene to glue the chairs, but my guess is that resin is too brittle.

For info Wayne - the 2mm milled bases retail at 5.50 each which gives you a benchmark to judge what you have been quoted.

Cheers, Mike



Offline BernardTPM

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #117 on: February 09, 2012, 05:24:05 PM »
Resin isn't ABS and I suspect over the length of a point there could be some dimensional differences from batch to batch. I'd stick with the milling.

Offline EtchedPixels

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #118 on: February 09, 2012, 05:25:23 PM »
Also distortion is a problem with resin and soft moulds.

Other choice is 3D print. The weird world where adding holes to your model makes it cheaper !
"Knowledge has no value or use for the solitary owner: to be enjoyed it must be communicated" -- Charles Pratt, 1st Earl Camden

Offline Wayne Kinney

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Re: 'Gauging' Interest- New fiNetrax code 40 N Gauge Track System?
« Reply #119 on: February 09, 2012, 05:34:53 PM »
Thanks guys,

With a tunrout kit price point of about 9 - 10 ex VAT, spending 5.50 on only the base is a no go, unfortunately. I have got quotes from Alan Smith (he mills the Easitrac bases) and even with a large quantity the price is not attractive.

I have just youtubed the soft resin moulding technque, although it looks fun it doesn't look suitable for this.

I still beleive milling myself would be the best option.
Thanks,
Wayne.

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www.britishfinescale.com - Home of fiNetrax Code 40 Track System

 

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