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Ohio River and Western Railroad - Small Layouts,Planks and Micros - Model Railway Layouts. - Your Model Railway Club
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 Posted: Thu May 5th, 2022 03:04 pm
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BCDR
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Hi All,

New topic, same subject - the Ohio River and Western Railroad - but with a change of scale. Instead of HOn3 I'm going back to one of my favorite scales - On30. Over here this means a scale of 1:48, in the UK this corresponds to 1:43. It will mean bigger baseboards than I planned, but as this is a small layout with cameo scenes and intended to be broken down into modules for storage that shouldn't be an issue.

Why the change in scale? The Ohio and Western used a variety of second hand steam locomotives - 2-8-0, 2-6-0, 4-6-0 and 4-4-0 - and they were proving to be problematic to source in HOn3. Plenty of 2-8-0 locomotives (for a price, most are old brass models dating from the 1960s and 1970s with coffee grinder gears and motors to match), but the others? Hen's teeth territory. And at make your eyes water pricing when the odd one comes on the market. Luckily I only have one 2-8-0 in this scale, currently undergoing a motor and worm change, and one boxcar, built from a kit. Looking at the stock available (principally on eBay) and checking prices of locomotives freight and passenger cars there is a premium of between 30% and 100% compared to HO. Blackstone, a division of Soundtraxx, are one of the few companies to make new stock (and very sporadically at that). One of their HOn3 2-6-0s came up on eBay recently - $800+. At least it was DCC sound. Supply and demand I guess. I realized I had hit a wall.

The On30 stock supply is much more robust (and a lot more modern). I can happily trade the availability of stock against the inaccuracy of gauge (2'6" versus 3'). Bachmann here invested heavily in this scale, and it is possible to get new stock, in addition to what comes up s/h. Good spares supply from Bachmann as well. While new 4-4-0 models are a bit difficult to find, it's possible to source the complete locomotive from their spares catalog (running chassis, body shell, tender chassis and top). The other advantage for me is that On30 stock can be bashed from HO or even OO stock and still look realistic. Checking my inventory I have an On30 2-6-0 in storage that was in the process of being converted to DCC. These models are often used for "run around the Christmas tree" train sets, and can be found for $40-$50 s/h, $170 new. Older tooling (they have a split frame chassis, nothing wrong with that) but a good basis for bashing. I also have the electrical/electronic fixings for a motorized turntable (motor, transformer, PWM power supply, polarity changer), just needs a well and bridge to be built.

So that wooden S trestle needs some new plans and templates, and I will need some timbers scaled to 1:48. As most of the timber for the bents is 12" x 12" that means 1/4" square timber. I was tempted by some O-scale kits, but having had a go at some straight trestles in HO I feel confident that I can move onward and upward to O scale. (I also found some plans for those Brunel wooden trestles online, so I've added that to the getaroundtoit list for the EM layout).

Nigel





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 Posted: Fri May 6th, 2022 10:32 am
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Colin W
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Hi Nigel,

That sounds like a plan. Available models and track beats the alternative any day. Will look forward to your progress,

Colin



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 Posted: Fri May 6th, 2022 04:29 pm
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Petermac
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I love those trestle bridges - they look so delicate and yet are incredibly strong.



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 Posted: Sat May 7th, 2022 01:47 pm
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BCDR
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Colin, Peter,

Thanks. Out of interest I loaded the long trestle with 16kg/35.3lbs of weights - not a creak. 2kg a bent. Probably take a lot more.


Nigel



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 Posted: Fri Jun 3rd, 2022 12:49 am
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BCDR
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A trestling we will go....a trestling we will go.....

The layout is still in the planning stage, but as usual will be modular - 5 x 2 feet with a total of 5 modules plus some fiddle yards at each end. Just have to remember that this O-scale (1:48) not HO or OO scale (1:87 or 1:76). The station and goods depot/engine shed/turntable will take approximately 1.5 modules. The S-shaped trestle will take pretty much all of another 5-foot module. So out of interest I looked up what sort of radii an S-trestle would have the given the constraints of the 5 x 2 foot module. The one I want to represent had curves of 21 and 18 degrees. Taking a look at the table in https://www.railwayeng.com/Track/Curves.htm for On3 (the closest scale/gauge I could find) this corresponds to radii of 68.6" and 79.6" respectively. Ouch! Even moving down to HO scale they are still large radii - 37.8" and 46.6", and way over 5 feet in length.

The Bachmann locomotives that will run on the layout are quite happy with minimum radii of 18"-22", depending on the model. So somewhere between Bachmann minimum and HO radii should work. Doodling around in Templot-2 I came up with an S-curve with 28" and 34" radii, with a 10" long transition between the 2 curves, that fits on a 5 x 2 foot module. Should give me what I am trying to model.



The RHS is where the station will be (a diagonal tangent track), the LHS continues the curve onto the next module with a track side halt before entering a tunnel (the scenic break for the fiddle yard). Prototypical it's not, but it should give a fair representation of the S-trestle.

Wood for the trestle bents will be ordered tomorrow after I have calculated how much I need (Amazon has a good selection, much cheaper than model railroad timber). Then it's on to the baseboards. I suspect I will be gritting my teeth over the price of Baltic birch ply. Open frame may be better, given the drop required for the trestle module.

Nigel



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 Posted: Fri Jun 3rd, 2022 01:19 am
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Colin W
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That's a great example of the power of Templot as a layout planning tool. I can't imagine doing without it now that I've made the investment of time to learn enough of the basics.

What is it that you're sourcing from Amazon? Timber I've got, but in what form?

Colin



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 Posted: Fri Jun 3rd, 2022 03:52 am
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BCDR
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Hi Colin,

Basswood, 0125" x 0.25", 0.25" x 0.125", scale 12" x 12", 6" x 12". I'll need some other sizes for the deck and bridge ties. Plus some NBWs later on. It's the Baltic birch I'm worried about. Only one local supplier, if he's out of stock it'll be radiata pine.


Templot - I can't imagine modeling without it. 


Nigel



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 Posted: Sat Jun 18th, 2022 02:26 pm
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Hi all.

Track plan with various cameo settings from along the line. Subject to change as the muse dictates. A lot larger than normal (for me), but it's modular so I can work on one section at a time.

I am starting with a 1:50 model of a river paddle steamer. Back in 1912 these were the preferred means for the transport of passengers and goods along and across the rivers and were still running in the 1930s (and not just the Mississippi river). Bellaire had a number of wharfs on the bank of the Ohio river next to the OR&WR depot and transfer yard, so passengers, goods, coal, and of course those new fangled horseless carriages crossing over to West Virginia. Cutting and tunnel portal at one end and the B&O railway bridge traversing the OR&WR at the other end as scenic breaks.

Plus of course the S-curved framed trestle. Still waiting for the wood.

Nigel




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