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AlexandrS		#1 Posted : 08 May 2010 00:08:35(UTC) Retweet
Joined: 07/05/2010(UTC) Posts: 6 Location: Moscow , Russia		Good Day ! I here have faced a problem.In the description of some Maerklin steam locs I cannot find mentions about minimum radius for operation. The list is from catalogue 2007/2008 :art. 37039 (BR38) , art.37849 (BR50), art.37115 (BR18.1), art.37953 (BR03) ,art.37921 (BR41) , art.37883 (BR44) , art.37151 (BR52), art.37452 (BR45) and so on... So, can I use curved tracks like art.24130 or art.24115 ? Thanks Alexandr
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H0		#2 Posted : 08 May 2010 00:36:59(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,443 Location: DE-NW		Hi! All Märklin locos can run on 360" radius curves (SCNR). And AFAIK all H0 locos can run on 360 mm radius curves. There are even smaller radii for M and K track - some big steamers cannot negogiate this small curves. The indication "360 mm" actually means "cannot run on smaller curves".
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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Ian555		#3 Posted : 08 May 2010 00:46:03(UTC) Retweet
Joined: 04/06/2009(UTC) Posts: 20,289 Location: Scotland		Hi AlexandrS, Welcome to the forum. Ian.
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David Dewar		#4 Posted : 08 May 2010 01:35:35(UTC) Retweet
Joined: 01/02/2004(UTC) Posts: 7,453 Location: Scotland		Welcome. As Tom says they will all run on radius 1. Where possible I use the widest radius that will fit the layout size as it helps with the running of longer coaches and looks better. dave
		Take care I like Marklin and will defend the worlds greatest model rail manufacturer.
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steventrain		#5 Posted : 08 May 2010 10:40:53(UTC) Retweet
Joined: 21/10/2004(UTC) Posts: 31,692 Location: United Kingdom		Hi Alexandrs Welcome to the forum.
		Large Marklinist 3- Rails Layout with CS2/MS2/Boosters/C-track/favorites Electric class E03/BR103, E18/E118, E94, Crocodiles/Steam BR01, BR03, BR05, BR23, BR44, BR50, Big Boy.
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AlexandrS		#6 Posted : 08 May 2010 16:56:35(UTC) Retweet
Joined: 07/05/2010(UTC) Posts: 6 Location: Moscow , Russia		Greetings to all ! With Maerklin steam locos I have understood. But There are other manufacturers like Roco , Brawa , Fleischmann which make AC-models. Brawa says that all their locos can move on 360" curves.From Roco and Fleischmann I haven't informations. Alexandr
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pa-pauls		#7 Posted : 08 May 2010 17:01:24(UTC) Retweet
Joined: 08/06/2002(UTC) Posts: 1,843 Location: Norway		Hello AlexandrS and welcome to the forum I have never discovered any problems with any locomotive's on a 360" curves I have the loooong SBB Ae 8/14 elektro locomotive and even that model runs nice on 360" curves...
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pab		#8 Posted : 08 May 2010 17:03:12(UTC) Retweet
Joined: 03/11/2007(UTC) Posts: 2,764		Hi Alexandr As said most Märklin locomotives, coaches and wagons will run on 36 mm radius curves (or larger). Some extra parts, like rod protectors on steamlocomotives, can only be used on 50mm radius curves. Some locs will not negotiate a left 36 mm curve, immidiately follewed by a right 36 mm curve Of course you have to realise that long locomotives, coaches or wagons will hang over in the curves, which isn't not so nice to look at. Depending on your available space, I would say, the wider the curves the better.
		With kind regards Piet Brijs Website: http://home.kabelfoon.nl/~pabrijs Topic in Marklin-users.net: https://www.marklin-user...pics/18-Me-and-my-layout Youtube channel: https://www.youtube.com/user/pietbrs?feature=guide
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rugauger		#9 Posted : 08 May 2010 19:02:47(UTC) Retweet
Joined: 19/12/2003(UTC) Posts: 1,205 Location: Swindon, Wiltshire		pab wrote: Hi Alexandr As said most Märklin locomotives, coaches and wagons will run on 36 mm radius curves (or larger). Some extra parts, like rod protectors on steamlocomotives, can only be used on 50mm radius curves. Some locs will not negotiate a left 36 mm curve, immidiately follewed by a right 36 mm curve ... Let's put it like this: all Märklin rolling stock is designed to be able to run on 360mm radius curves. The important word here is "designed to" - as Piet very rightly points out, intention and reality can be two different things. Every layout has its own particular challenges in this area, and only because something is supposed to work on paper doesn't necessarily mean that it will in practice. The example of the opposing turns is a case in point (although I would expect the steamers mentioned in Alexandr's post to be OK).
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H0		#10 Posted : 08 May 2010 22:05:28(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,443 Location: DE-NW		AlexandrS wrote: Brawa says that all their locos can move on 360" curves.From Roco and Fleischmann I haven't informations. All Roco locos can take 360" curves. (SCNR) But some require 420 mm or larger radii (FYI: 1" = 25.4 mm; 360" is about C track R9). This information is in the leaflet that comes with the loco, but not in the catalogue. But AFAIK all Roco locos can run on Märklin R2 - and most of them (except some large steamers) can run on 360 mm. I have some Fleischmann steamers and they all run fine on R2 (never tested on R1, R2 is the smallest radius I use (except on some sidings)). I don't recall seeing radius information in their leaflets.
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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steventrain		#11 Posted : 08 May 2010 22:36:28(UTC) Retweet
Joined: 21/10/2004(UTC) Posts: 31,692 Location: United Kingdom		Any min radius 360" locomotives will not run on M-tracks 5120 and K-tracks 2110/2210 curved. Some small Tank/diesel locos model date up to 1990s can run less that 360" radius.
		Large Marklinist 3- Rails Layout with CS2/MS2/Boosters/C-track/favorites Electric class E03/BR103, E18/E118, E94, Crocodiles/Steam BR01, BR03, BR05, BR23, BR44, BR50, Big Boy.
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AlexandrS		#12 Posted : 08 May 2010 23:10:57(UTC) Retweet
Joined: 07/05/2010(UTC) Posts: 6 Location: Moscow , Russia		Thanks to Tom , certainly, more correctly 360" = 360mm or Maerklin R1 curved track.I have forgotten about a sign inch or " . Alexandr
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David Dewar		#13 Posted : 09 May 2010 00:52:01(UTC) Retweet
Joined: 01/02/2004(UTC) Posts: 7,453 Location: Scotland		Brawa longer coaches fitted with sliders for lighting are not great on R1. As mentioned if you have space use the largest radius that will fit your layout. If you can only manage R1 and stick with Marklin then there should not be any major problems (avoiding S curves) dave
		Take care I like Marklin and will defend the worlds greatest model rail manufacturer.
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rbw993		#14 Posted : 09 May 2010 17:11:13(UTC) Retweet
Joined: 19/08/2008(UTC) Posts: 1,051		One point of confusion regarding R1 and R2 when talking about Roco versus Marklin track radii is that Roco R2 (358mm) is basically the same as Marklin R1 (360mm) . So when a Roco spec states that rolling stock will operate on R2 it should work on Marklin R1. If you check a Roco catalog their "R" numbers are always +1 to the Marklin equivalent. For all you mathematicians out there: ' = Marklin " = Roco R'(n) = R"(n+1) Roger
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atilla		#15 Posted : 09 May 2010 18:00:25(UTC) Retweet
Joined: 13/11/2008(UTC) Posts: 381 Location: Richmond, Virginia		Welcome to the forum! I remember drooling over the "Big Boy" locomotive and reading warnings that while it will run on 360mm radii, it might have trouble with existing signals that were set too close to the track. I assume this is a consequence of the overhangs.
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nevw		#16 Posted : 10 May 2010 01:44:04(UTC) Retweet
Joined: 27/08/2005(UTC) Posts: 11,071 Location: Murrumba Downs QLD		atilla wrote: Welcome to the forum! I remember drooling over the "Big Boy" locomotive and reading warnings that while it will run on 360mm radii, it might have trouble with existing signals that were set too close to the track. I assume this is a consequence of the overhangs. While not having a Big Boy Damon was over one day and had his Big Boy for a runn on the new layout when it was the bottom layer only and we laid a Temp R1 Loop. the big Boy had a Lot of Overhang. The Loco handbook actually gives the overhang for various Radius. NN
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