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HO scale narrow gauge 25 foot cars [message #52026] Sat, 28 July 2012 13:32 UTC Go to next message
avatar pinddle  is currently offline pinddle
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Registered: August 2010
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I'm planning on producing some of the rolling stock of the Ohio River & Western Railway, a 3 foot gauge railroad.They are suitable for both HOn30 and HOn3, there will be versions for both gauges.They are designed to sit on my trucks, available for both gauges.
The first one available is a flatcar, with or without stakes.
Here are the two versions with stakes,fitted with the appropriate trucks and couplers.
index.php?t=getfile&id=18983&private=0

To weight the model I glued some strips of lead between the sills.I used EZ line to make the truss rods.
index.php?t=getfile&id=18984&private=0

This is the HOn30 version, painted and fitted with micro-trains 1015 couplers.
index.php?t=getfile&id=18985&private=0

There are two small supports for the handbrake wheel at one end.They need to be drilled out to accommodate whatever you use, I used some 0.4mm dia. brass rod.The finished model:
index.php?t=getfile&id=18986&private=0

Coming next,gondolas.

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[Updated on: Fri, 09 August 2013 14:57 UTC]

Re: HO scale narrow gauge 25 foot cars [message #52462 is a reply to message #52026 ] Fri, 10 August 2012 14:17 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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I have updated the design, as part of the queen-post was too thin and fell foul of the thin walls rule.At least one order was rejected because of this.
The new version 'should' be ok.Apologies if you have been affected by this.There is a degree of uncertainty about detail parts and minimum wall thickness.

[Updated on: Fri, 10 August 2012 14:17 UTC]

Re: HO scale narrow gauge 25 foot cars [message #52677 is a reply to message #52462 ] Wed, 15 August 2012 21:42 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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The gondolas are now available.The same build method applies to them.
I'll post photos of a finished one later, when I've finished it!
Re: HO scale narrow gauge 25 foot cars [message #53082 is a reply to message #52677 ] Fri, 24 August 2012 14:42 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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Some photos of finished gondolas.

HOn30 4 plank:
index.php?t=getfile&id=19901&private=0

HOn30 2 plank:
index.php?t=getfile&id=19900&private=0

HOn3 2 plank:
index.php?t=getfile&id=19899&private=0

The underside is the same as the flatcar.

Coming next, boxcars.

Re: HO scale narrow gauge 25 foot cars [message #54429 is a reply to message #53082 ] Sun, 23 September 2012 22:42 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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A pipe gondola is now available.This is based on the 4 plank gondola, with the end planks removed.The handbrake wheel is moved to the side to make room for a long load.The supports for the handbrake assembly need to be drilled out, as indicated by the arrows below.

index.php?t=getfile&id=20821&private=0

The finished model.

index.php?t=getfile&id=20822&private=0

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Re: HO scale narrow gauge 25 foot cars [message #54468 is a reply to message #54429 ] Mon, 24 September 2012 22:44 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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Boxcars.
My first design is with integral roof and roofwalk.The floor is a separate part, attached to the body by 4 bits of sprue.Take care to not damage the stirrups when separating them.
The floor has 4 notches in it near the ends for the truss rods.I used a loop made from EZ Line, about 5 inches long.
The handbrake assembly passes through the platform and lower support at one end (arrowed).
Weight can be added onto the top of the floor before final assembly.

index.php?t=getfile&id=20827&private=0

Assembled:
index.php?t=getfile&id=20828&private=0

I was not entirely happy with the test prints.The layering (stepping) was quite evident on the roof.This effect will of course vary with print orientation.
By painting and sanding I was able to achieve a smooth finish.To avoid this I've designed a version without a roof.Plastic card (styrene sheet) is used instead for the roof.You will need a piece 27x89 mm, scored down the middle.This also works out cheaper.The floor is integral with the body in this version, with holes for the truss rods.The roofwalk is attached to the body by some bits of sprue.
I have not test printed this design yet, but in theory it should work ok.

[Updated on: Mon, 24 September 2012 22:48 UTC]

Re: HO scale narrow gauge 25 foot cars [message #58843 is a reply to message #54468 ] Tue, 18 December 2012 21:46 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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I've added another gondola, with a body only 1 plank high.Assembly method is the same as the other gondolas.

index.php?t=getfile&id=24531&private=0

The test print suffered broken stirrups, which I replaced with metal rod.To try to prevent this happening again I have added some support material, which will need to be removed during assembly.

index.php?t=getfile&id=24532&private=0

Re: HO scale narrow gauge 25 foot cars [message #58844 is a reply to message #58843 ] Tue, 18 December 2012 22:03 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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Maintenance of Way boxcars.
These are modified from ordinary boxcars.They have four windows added.Type A retains the original sliding doors.Type B has replaced this with new inset doors.
These pictures of the raw prints show how the roofwalk comes attached to the body.This must be removed before assembly.

index.php?t=getfile&id=24533&private=0

index.php?t=getfile&id=24534&private=0

Assembly method is the same as the other boxcars, except you will need some glazing material for the windows.
Finished models:

index.php?t=getfile&id=24535&private=0

index.php?t=getfile&id=24536&private=0

Re: HO scale narrow gauge 25 foot cars [message #62347 is a reply to message #58844 ] Mon, 18 February 2013 22:54 UTC Go to previous messageGo to next message
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I've now added a caboose at last.HOn3 and HOn30 versions, same body, different chassis.
The body and chassis are linked together for printing by some small linking pieces.Cut through these to separate them, inside you will find the roofwalks.
There are no queenposts, but there are guides and holes for the truss-rods.
index.php?t=getfile&id=27532&private=0
index.php?t=getfile&id=27533&private=0
index.php?t=getfile&id=27534&private=0
I've not got very far with this yet, the ladder is just a suggestion for the end.It needs lots of handrails and a handbrake wheel.
Note, on this prototype model the chassis was slightly too short, hence the cut-outs in the body sides.This has been corrected now.

See the next post for more useful info, the chassis is the same.

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[Updated on: Tue, 19 March 2013 19:12 UTC]

Re: HO scale narrow gauge 25 foot cars [message #64443 is a reply to message #62347 ] Tue, 19 March 2013 19:09 UTC Go to previous messageGo to next message
avatar pinddle  is currently offline pinddle
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Baggage Car (developed from the caboose).
The model is printed with the body and chassis joined by some fine links.
index.php?t=getfile&id=29298&private=0

Cut and remove these links and clean up the remaining parts.
index.php?t=getfile&id=29299&private=0

There are 4 small holes in the floor to help with the truss-rods.
Here I have used E Z line, the ends are glued to the floor.
index.php?t=getfile&id=29300&private=0
index.php?t=getfile&id=29301&private=0

There are mounting points at each end for a brake wheel.
index.php?t=getfile&id=29302&private=0

The body clips onto the chassis.

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Re: HO scale narrow gauge 25 foot cars [message #72794 is a reply to message #64443 ] Wed, 07 August 2013 22:43 UTC Go to previous messageGo to next message
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The new ( to me ) design rule about minimum wire size is affecting most of these models. It's going to take me some time to work through them and modify them. Until then there is no guarantee that any of them will print , even though they have done in the past.

edit : I think I've done them all , so they should be ok now. I've taken a few models off sale as I don't think it's worth modifying them.

[Updated on: Thu, 08 August 2013 20:59 UTC]

Re: HO scale narrow gauge 25 foot cars [message #79156 is a reply to message #72794 ] Sat, 16 November 2013 23:16 UTC Go to previous message
avatar pinddle  is currently offline pinddle
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I'm upgrading the brake gear on these. The brake parts are now separate parts, giving the option of either air, vacuum or no automatic brake.
Below is the Reefer body, which has the parts printed inside.
index.php?t=getfile&id=45315&private=0

The parts removed and painted.
index.php?t=getfile&id=45316&private=0

Both parts fitted to the underframe in their correct positions relative to the brake platform. Only one of these would be fitted.
index.php?t=getfile&id=45317&private=0

Close up of the parts.
index.php?t=getfile&id=45318&private=0

These parts will also be available separately in FUD.
index.php?t=getfile&id=45319&private=0

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