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Post by Deleted on Jul 29, 2017 18:13:06 GMT -5
Hello ... As I wrote, I wanna build a layout "mostly Massachusetts like". I need 2 single track bridges, length 220mm (it's the most easy with Rokuhan's tracks without ballast, and the tracks cross with an angle of about 60 degrees) ; the Rokuhan single track "girder" bridges seem to fit the US style. And what's about this Märklin bridge (even if it has no direct "interface" with Rokuhan) ? I saw such a bridge in Boston but it's a road bridge ... Thanks for any answer. |
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Post by markm on Jul 29, 2017 19:36:55 GMT -5
Alberich, If you are looking for a U.S. prototypical bridge to span the entire 220mm your choices would be the Rokuhan R041/042, Märklin 8975 or a brass kit. The track on the Märklin bridge slides under tabs on the bridge, so you could use the Rokuhan track sections without roadbed like you would with the R041/042. I like the Märklin bridge a bit more for the deck girder detail. If I consider your Boston image is what you are aiming for, then I would think that one of the bridges could have a pier mid-span and the Rokuhan S010 or MTL 990 40 950 bridges or Märklin ramps would work. Personally, I like the detail of the MTL unit but they don't have the piers. I could go into detail for brass bridges, but I believe they are not an interest for you. All the bridges are DCC-compatible.  Mark |
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Post by Deleted on Jul 30, 2017 0:45:40 GMT -5
Thanks Mark. The Rokuhan S010 and the MTL have only a length of 110mm, but I need 220mm of "free span". So one of the Rokuhan R041 etc ... (there are several colour variants) and the Märklin 8975 will be fine (there are only 30 cm between them, so they won't look like "clones"). PS : but for myself, I am NOT DCC compatible ; I tried a "homebrew" speed controller built around a LM317 and it works fine, down to about 3.2V output the locomotive runs without "stall" ... and I won't interfere with the radio receivers of my neighbours, like PWM !  |
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Post by markm on Jul 30, 2017 14:08:27 GMT -5
One last thought would be a trestle bridge: www.gclaser.com/z-scale-wood-trestle/This is oversized for most applications, but its' very flexible. I built one of these at 1/3 the length and half the height quite easily. Mark |
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Post by Deleted on Jul 30, 2017 14:20:25 GMT -5
Sorry, it looks fine and very "US like" but some room under the bridge must be free, as I wrote a track will cross at an angle of about 45 to 60 degrees. I published my project in topic "Realistic width ...", June 6th., and there one can see the two bridges.
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Post by tjdreams on Jul 30, 2017 15:01:11 GMT -5
Well it looks like you may have but one option left, And that is to build the bridge yourself
You cab always buy some scale beams and girders in plastic or brass cut them to size and build the bridge to the size and shape you want.
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Post by markm on Jul 30, 2017 15:48:49 GMT -5
I remember your layout, but it really depends on how you want to do the scenery. For the trestle the bents (vertical supports) are spaced 25 feet and one could delete a bent to give a 50 foot ( 70mm scale) opening:  Or another possibility could be 2 girder bridges one for cars and one for trains:  Or even a very short tunnel:  You haven't told us much about your scenery plans, so maybe these would be appropriate, maybe they would be totally wrong. Mark |
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Post by Deleted on Jul 30, 2017 17:09:27 GMT -5
A single bridge of 220mm should be long enough ... Perhaps even 110mm, like those made by Rokuhan ? I will take a look at it. The third picture looks too much like a tunnel (there are already 3 on my layout).
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Post by neverland on Jul 31, 2017 6:13:52 GMT -5
Hello ... As I wrote, I wanna build a layout "mostly Massachusetts like". I need 2 single track bridges, length 220mm (it's the most easy with Rokuhan's tracks without ballast, and the tracks cross with an angle of about 60 degrees) ; the Rokuhan single track "girder" bridges seem to fit the US style. And what's about this Märklin bridge (even if it has no direct "interface" with Rokuhan) ? I saw such a bridge in Boston but it's a road bridge ... Thanks for any answer. The Rohukan iron trestle bridges are appropriate to the eastern US as well, so look at the 220 or two 110s. I've installed the 110 at an angle over a stream & it looks quite nice. If you don't like the enclosed top you can remove it quite easily. |
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Post by Deleted on Jul 31, 2017 10:23:38 GMT -5
I think, with 220mm You mean this and with 110mm You mean this ? |
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Post by zscalehobo on Jul 31, 2017 12:25:16 GMT -5
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Post by Deleted on Jul 31, 2017 15:55:13 GMT -5
Thanks Zscalehobo. I think You are right, but the products are not yet available in Europe ; and 55mm is REALLY too short, for 110mm I saw this (is it new ? I didn't see it before), it has the same shape as the 55mm version : I found this interesting photo. And I found this picture, too : A Boston & Albany freight rumbles over a bridge crossing both the French River and New Haven Railroad in Webster Mass.  But it looks like a computer generated picture ; train simulator ? Now I think I have enough informations ... Thanks to all ! |
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Post by markm on Jul 31, 2017 18:41:27 GMT -5
Yeah that's a Trainsim image. But on thing from that image is the "State of Maine" boxcar: a real classic for a 1950s roster.
Mark
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Post by Deleted on Aug 2, 2017 22:56:15 GMT -5
In fact, very interesting painting pattern, but the car is sold ... nowhere !
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Post by markm on Aug 2, 2017 23:25:54 GMT -5
MTL 505 00 321 or 505 00 322. Still available at several of the U.S. on=line retailers. It's a pity none are available in the EU, it's one of the "classics" of the 50s and 60s.
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