2018/05/14

2018_05_13 Albury Model Railway Show

2018_05_13  Murray Railway Modellers

Murray Railway Modellers Exhibition

As well as Austrains we have SDS joining our Trade Stands this year!
Our regulars J&K Trackrite  Iron Horse and AlcoWorld









2018/05/02

2018_05_02 Update on Rogers Wodonga Station build

2018_05_02  Update of Wodonga Station build

Dimensions are pretty accurate, but model has been adjusted slightly to fit between BG and SG lines at Melbourne end. A future kit could be provided by Stuart at Coolum Design using accurate measurements.  stuart@modeltrainbuildings.com.au







Now for the skin Ha Ha. Thanks Roger I am truly blessed with the friends I have.
Cheers
Rod

2018/04/21

2018_04_20 Update on Wodonga Building

2018_04_20  Wodonga Station building update

Text as supplied by Roger,,,,

"Attached are two photos of the corbel strip sitting on a brickwork pattern. The material is translucent and I will need to airbrush it white. Then it will be very effective. Sorry the second photo is a bit out of focus. However, you can still see the shape of the corbel.the detail is very fine. Each corbel is only spaced 6mm apart."



This photo shows a strip of corbels which go under the eaves of Wodonga Station. They were 3D printed by Shapeways using "Frosted Ultra Detail"
material. The initial design was by Roger using CAD software . Ray Pilgrim then converted the CAD design into software that Shapeways can use. The corbels could be useful for any modeller constructing late Victorian era homes.

You can purchase them from Ray Pilgrim (Signals Branch) through the Shapeways web site at

https://www.shapeways.com/product/5Q9Y3LGC5/ho-wodonga-station-corbel-strip-269mm-long?optionId=65198156

The strip is 270mm long and each corbel is at 6mm spacing.

Our order took just 14 days from the order being placed until airmail delivery from the USA."

Lighting the building
"Here are two views of Wodonga Station, one of the platform side and one of the road side. The glazed windows are now in place and some of the internal partitions have been added.

Some of the windows and doors are not complete as extra detail needs to be added, particularly under the long windows which have brick infill."



This photo shows a strip of corbels which go under the eaves of Wodonga Station. They were 3D printed by Shapeways using "Frosted Ultra Detail"


If you want to use our corbels for your new project, Ray Pi;grim has them here :)

https://www.shapeways.com/product/5Q9Y3LGC5/ho-wodonga-station-corbel-strip-269mm-long?optionId=65198156

Cheers
Rod

2018/04/18

2018_04_18 Coach Lighting #2

As I could not get the nylon screws locally, I purchased stores from China (Where I could get the stuff) However.....  now I know why Aussies open ebay shops and get stuff mailed from China to their customers!


 Small post pack arrived from China today. What I wanted was 12 screws but it was cheaper to increase the order, as the minimum order of $7 US was free postage and I ended up with all of this ;)



 Its nice to have a generous seller. But I honestly believe most of this will be wasted (on me) These screws will enable me to insulate the top plate when I reassemble the brass bogies, and attach wipers there to collect power from wheels. (Harris Car project) quantity required? about 16 screws Ha Ha!


 The second lighting project will be for the Auscision N cars and Powerline S Cars, which will use 3V batteries.


 The battery holders arrived too! 10 to a pack, and 10 packs again postage free Cost? $9 US.


Contact me if you need some :)



Below fitted 3v CR2025 battery


What is missing?   The latching reed switches, which I cannot find anywhere except in England at 2 pounds each. China supply them much cheaper, but so far cannot find them there or in Australia.
Self latching magnet operated reed switch

Cheers
Rod

2018/04/15

2018_04_15 Updates on various projects

2018_04_15  Making Roads, Looking at lighting and an Update from Roger on Wodonga Station.

On Saturday Graeme and Peter from Murray Railway Modellers turned up to get me motivated... again :)

I had not been introduced to Peter before, as he is newly arrived in Wodonga from Tumut, and is well known for his MR work up there. I do remember talking with him at Wagga one year.

Welcome to Murray Modellers Peter. We should have a lot to talk about.

Graeme demonstrated some surfaces for the roads he has been building here. Not yet finished, but already looking good.

 Hovel Street near the old Bandianna Branch.


Osbornes Sytreet near the Shell Depot and Coal Siding.

Ok before I get to Rogers post, I took some pictures of lighting we might be able to incorporate on Wodonga platform ??



 This one is an iodine orange lamp from the 70's


 Its using a grain'o'wheat bulb and running on 9v


 It might need full 12v


 This is a modern halogen  type and it will twist back into shape.


 Its a bright white LED on 9v via 1k resistor. might run on lower voltage?


 This one is my favorite (on right) Be good for platform under the canopy.


 1K resistor on 9v battery


 I like this one very much, but I think it was much earlier than 1970.












This one could represent the old green and white enamel reflector dishes with 200 watt incandescent globes? Platform lights near to brick walls of building?
 
Ok now to the Station Building itself .

Here is Roger telling us what is happening....

"After many months of drawing in Corel Draw, the completed files were sent to Stuart Walker to have the components laser cut.

Photo 1 




This shows the 0.8mm ply sheet used for the window and door components. The window components are held in place with small tabs which were cut with a Stanley knife.

Underneath (left side) is a completed window glued together with PVA. On the right is the 4 layers of a double hung sash window. The first layer is what locates the window in place as the completed window is pushed in from the inside of the wall. The next layer is the lower pane frame. Then comes the upper pane frame. The last layer sits on top and forms the main frame around the window opening. Clear styrene is cut for the panes and inserted from behind and are held in place by carefully applying PVA around the edges.

Photo 2 
 
 

This shows the assembled windows and doors with all 54 of them painted and ready for glazing.

Photos 3 and 4. 
 

 

The walls and floor are 3mm MDF. The walls of Wodonga are full brick, hence the need for thick walls. You can see the tabs on the corners so that adjoing wall sections are simply pushed onto the tabs on the floor and joined together and glued with PVA. The wall facing the platform has not been glued as yet because i thought it might be easier to install the windows first.

Photo 5 
 
 

A view from above. I should have had the holes for the veranda posts included in the Corel Draw file to be laser cut. However, I drilled these holes myself as accurately as possible.

I found that when assembling the components and test fitting the ceiling that I had made a few errors. These were able to be corrected. However, I am revising the drawings to correct these errors so that if Stuart want s to sell the kit commercially, then the kit with these minor corrections should go together with no problems."

Note Stuart will have enough information to  build this station kit for anyone who might like to purchase it :)


2018/04/10

2018_04_10 Waiting for parts? ok lets find those amps

2018_04_10 Talking with Marcus Ammann.

So I decided to do some more carriage lighting. And I decided whilst I was doing that, I would adjust the heights of the various carriages as I do each carriage.
I have KD close coupling couplers to fit, strip lighting, and a power supply.
I will do the Harris set with pickups and flicker free circuits, use strip leds to simulate fluoro lighting.
(waiting parts)
I will do the Auscision carriages with similar strip lights, however I will battery operate these as per the video a few days back (Waiting parts)


Thanks to Tim who sent me this good advice
 "Both the N cars and the S cars show a tare height to the top of the roof
sheet (not including the projections on the roof, that's a different
height measurement) of 3955mm. That's 45.4mm in H0.

The Auscision N cars measure about 46.2 for the roof sheet height so
they are about 0.7 to 0.8mm over height.

The (Powerline) new S car (SOP Bogie) measures a pitiful 44.0 for the
roof sheet dimension so they are 1.35 to 1.45mm under height.

Couple an N set to an S set and you have a combined difference of about
2.2mm / 7.5" in height. Now, every time I see the Shepparton train there
is a good height difference between the N cars and the BZN or BTN car
at the side sill level, but not as much as between Auscision and ( Powerline).

Raising the S cars shouldn't be overly hard, some washers, new bogie
screws, coupler box padding etc should cover most of it. I don't know
what raising them will do to the look.

Lowering the N cars will be a lot more problematic."

And thats all I am going to do. The Auscision cars look ok behind the S Class, and lifting Powerline cars to match will make me happy if the gaps over the bogies do not look ridiculous. Thanks Tim.

Now the Amp gauge was another discussion we had on FB.  Everybody knows that you can measure voltage by touching the pos and neg terminals?
And we all know amperage needs to be in line with the flow of electrons?
OK stupid old me forgot that, didn't I?
So after Marcus intervened we sorted the Rampmeter out and it now reads voltage and amps, finally.

Some pics? Why not?


It always showed 13.7 v and 0.03 a   And I counted the number of locomotives on the track. 16 powered but only three had sound switched on. Total amps available?  8 amps because I decided that running three boosters to this 8 amp, plus 5 amp, plus 5 amp was unnecessary. That is 26 amps!




 The Digitrax Powerpack can provide 25 amps at 16 volts. Digitrax seem to give you 13.9 v when switched to HO position.

Beside the Digitrax transformer (switchable from 110v AC to 230V AC) is a homemade 30 Amp transformer that outputs 16.8 volts DC and AC. Which happily ran the layout before I bought the Digi one.
The two smaller transformers supply pure 12v to run the LED strip lights and are outputting about 30amps each.

Trains dont even care that the rampmeter is in line, and everything is operating off one 8amp command station without any boosters.
Thanks Marcus for such good advice
Cheers all .....  oops I forgot about my Trainorama S Class failure :(


Ok has anybody else seen this failure?


Notice the gear at the top is just floating and completely locks up when the worm tries to turn it.
I suspect a pin has worked its way out?


I found some brass tube which press fitted through all three pieces, that is front, gear and back.


However this locked the gear and it could not turn!
I wanted to have the gear turning freely on the shaft held in place by sides, however the mech is riveted together these days, and that was not going to work.


So I found a drill slightly larger than the shaft and opened out both sides leaving the gear a firm fit.


It was still tight so before lubricating it, I spun the mech with a dremil and it loosened up in a few minutes. Applied lubrication and put it all back together again!  All good and it works ok.


This is the tube I bought to do the job ;)

Mow I can say   good night all :D