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3rd June 2016, 04:59 PM #151GOLD MEMBER
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Hi All,
I have been trying to figure out the best way to make the mechanical brake assembly system on the bogies. After my trip up to the museum last Saturday - it gave me some ideas.
Anyway I made up all my components to scale from the photos I took. The linkage main connecting bracket at the centre looks a bit big, but that is the actual size to scale. This is made out of pine. Made up "angle iron" on my table saw.
The linkages I cut out of 1.6 mm aluminium sheet and then filed and sanded. The good thing about aluminium is that it gives a smooth finish when sanded with 120 grit sandpaper.
The clevis pins are made out of pine - slots cut with the bandsaw and then needle filed. Connector from the linkages to the brake support shaft is made of 4mm Mild Steel.
The wheel guards are made from aluminium angle.
I have used bolts to secure all components so I can dismantle if I need to. It has been a bit like working with a mechano set with so many bolts and nuts.
This bogie still needs some protector brackets to "protect" The brake shoe support shaft.
Then onto the second bogie brake system.
I am quite happy how it is coming along.
All the best
Keith
bogie general view.jpg bogie loco end.jpg bogie actuator end.jpg
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3rd June 2016, 05:12 PM #152
Your workmanship is quite simply stunning and I never fail to be amazed at how much that paint makes it look like the real thing!
flettya rock is an obsolete tool ......... until you don’t have a hammer!
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3rd June 2016, 05:12 PM #153
Looks so real Keith...Top Job Sir...cheers, Peter
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3rd June 2016, 06:31 PM #154
Mate seriously fantastic work!.
But the time your carriage is done you'll have made something truly special!.
Cheers
Trev.
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3rd June 2016, 08:06 PM #155
His work is fantastic. By the time he has finished the model he will have worked out how to build the full size version, or at least some of the components.
Keith, you need to spend an hour or so doing an undergear inspection where the brakes are adjusted or brake blocks changed and then you will have the rigging down pat.
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4th June 2016, 05:49 AM #156
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7th June 2016, 06:09 PM #157GOLD MEMBER
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Hi All,
Been busy over the weekend and yesterday making up the second lot of brakes for the second bogie. Must say the second system was easier as I had all the dimensions of the first one I made and then only had to make it the opposite hand so the actuator connects to both bogie brake systems (hope that makes sense)
The photo of the bogies attached - the one in the foreground is the one I made the brake system for first (previous post).
I have also made up the top swivel plates that sit on top of the bogies and are connected to the base of the carriage. I made these out of pine. I cut 160mm square and then attached them to the woodlathe faceplate. I used the gouging chisel to get most of the material away and then used the skew. Centre drilled and then drilled the centre in the pedestal drill using a 50mm Forstner bit. Very happy with this and you will see how it works when I start making the base of the carriage. The good thing is that this adds more support to the carriage itself when fitted on top of the bogies.
I was at the Bellarine Railway today and talked about the brake systems with one guy - turns out he is a passenger carriage brake expert and he has lent me a book from 1946 which details the Westinghouse brake systems which will be an invaluable resource for me
All the best
Regards
Keith
plate1.jpg plate2.jpg plate3.jpg Left and right bogie.jpg
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7th June 2016, 06:25 PM #158
You're certainly making good use of the wood lathe Keith.... Almost makes me wish I had one but then....Keep up the good work both on the model and at the museum, cheers, Peter
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7th June 2016, 07:47 PM #159
Good looking pair there Keith.
(Sorry if that offended anyone.)
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8th June 2016, 04:44 AM #160
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8th June 2016, 09:46 AM #161GOLD MEMBER
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Yes - come on Peter - bite the bullet so to speak - really helpful tool.
I have found the lathe and scroll saw a good means to an end in getting railway components made. Some guys at the woodworking club want me to start on pens and bowls but I would rather make components for my railway items.
There is still a lot of work on the substructure of the carriage yet Derek - Air Reservoir, brake actuator, etc. It's amazing (I know I keep saying it) on how much detail can go into this passenger carriage and lots cannot be seen unless you go looking for it , but that is the big challenge (and thrill) with the build.
I attach a scan of the brake actuator I got out of the 1946 Westinghouse Brake Booklet. This is one of my next pieces I will build. The arms attach to the front and rear bogie brake linkages to activate the brakes.
Enjoyable
Regards
Keith
actuator scan.jpg
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8th June 2016, 10:49 AM #162
An "Automatic Slack Adjuster" sounds like a medical device you'd wont to stay well away from!.
Cheers
Trev.
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8th June 2016, 02:05 PM #163
Just finished reading through your posts, I'm kind of gobsmacked at the level of detail and the craftsmanship you show in your work
Amazing just does not come close to describing it, wonderful work, i'm sure like most I am excited to see this scale model come to life
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8th June 2016, 02:29 PM #164GOLD MEMBER
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8th June 2016, 02:33 PM #165
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