Results 136 to 150 of 513
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28th May 2016, 12:47 PM #136
Hi,
Cutting glass with a good cutter and new glass is surprisingly easy and pleasant, where it gets its bad reputation from is blunt cutters and old brittle and scratched glass. The scratches do not even have to be visible to make the cut run off in all directions. How do I know, from making all glass fish tanks on the cheap.
Any way that is a little side track, keep up the good work I am following even if i do not put my ore in to stir to often.
RegardsHugh
Enough is enough, more than enough is too much.
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28th May 2016 12:47 PM # ADSGoogle Adsense Advertisement
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28th May 2016, 06:13 PM #137
Congratulations Keith. You have found international fame (if you had not already through the forum).
Perhaps they should include a reference to this forum for details of the build of both Lion and the D4.
Keep the wheels turning on the carriage build. Even if it is a pane (or is it pain) to do the windows, it will be worth it in the end.
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28th May 2016, 08:27 PM #138
Well done Keith a well deserved write up good to be recognised around the world, also fantastic about the Model Engineer magazine wanting your photo's of the build it is a great feeling especially when you see something of yours in print so hope to see it in the magazine, I know it is as I had my 1937 ford build in it's sister mag the Woodworker some time ago.
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29th May 2016, 10:20 AM #139GOLD MEMBER
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Thanks Kevin,
I have been working on the many components that make up the brake assemblies on the 8 bogie wheels. Lots of machining work and had a bit of a hiccup at the start when I didn't get my scale correct. May have some photos of the assembly components today. Lots of work - even on the bogies and still haven't got onto the carriage proper yet.
Up to the Railway Museum yesterday It poured rain and I got soaked, but got detail photos of the brake actuator and air reservoir that activates the brakes (although will be difficult to see beneath the carriage when assembled.
All the Best
Keith
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29th May 2016, 10:22 AM #140GOLD MEMBER
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Thanks Derek for your kind words. It is good to see my model in an overseas publication - The people at Lion are very nice friendly people.
Thanks and Best Regards
Keith
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29th May 2016, 01:22 PM #141
Congratulations Charlie well deserved all round!.
Cheers
Trev.
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29th May 2016, 05:55 PM #142GOLD MEMBER
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Hi All,
As stated previously, I have been working on the brake components for the bogies. The brakes themselves - I drew up the outline and then made 8 copies and pasted the copies onto pine which I had reduced down to 13mm thick. I then cut out the shape on scroll saw and then filed and sanded. The shoes I made separately - they are 15mm wide, I glued them onto the previously made brake shoe bracket. I think the difference in thickness adds authenticity to the brake.
The top brake support bracket is made from dowel (which I drilled 4mm) and pine - glued together. These will eventually be bolted to the bogie frame.
There are 16 shafts I machined out of aluminium that fit in the brake shoe bracket and the top bracket. These are joined by a shaft made out of 4mm Mild Steel.
The long shaft that connects each brake shoe is made of 6.5mm aluminium. I have turned each end down to 4mm and then threaded 4mm to allow me to locate with nuts at each end. The middle of this shaft will have another shaft connected that attaches to a cantilever bracket assembly which in turn is connected to the brake actuator that will be located underneath mid carriage.
The assembly shown is supported at this stage by some timber blocks I made up - just to give an idea on how the brakes will look.
There is a lot of work making up the components for this brake assembly. The more it progresses - the more you find you have to do. Don't know when I will be off the bogies and onto the main carriage.
It's really enjoyable though
Regards
Keith
brake assembly.jpg brake components.jpg
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29th May 2016, 10:52 PM #143Senior Member
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Top class, looks like the real deal!
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30th May 2016, 05:11 PM #144GOLD MEMBER
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Hi All,
More work done on the brake assemblies today.
Have machined and threaded all the shafts and temporarily fitted all brakes to both bogies. I have put my "mock" carriage base on to check clearances etc.
The hole in the centre shaft that holds the brakes apart is where the connection to the linkages fits. This in turn connects to the brake actuator.
I think this photo gives a better indication of the brake system than the one posted yesterday.
All the Best
Keith
bogie brake assy.jpg
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30th May 2016, 06:54 PM #145SENIOR MEMBER
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All i can say is WOW
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30th May 2016, 08:10 PM #146
brake actuator - Brake cylinder and piston, and air reservoir - Auxiliary reservoir. There will also be a "triple valve" as well as the associated pipe work.
The auxiliary reservoir holds a supply of air (about 65 - 70 p.s.i.) to apply the brake via the brake cylinder and piston when there is a reduction of pressure in the train pipe due to an application of the brake by the driver or rupture of the train pipe (eg vehicle being uncoupled by accident). The triple valve controls the flow of air from 1/ the train pipe to the auxiliary reservoir to charge the reservoir, 2/ from the auxiliary reservoir to the brake cylinder to apply the brake, and 3/ from the brake cylinder to atmosphere to release the brake.
Keith, its looking good. Soon you will be in mass production mode. The more you do, the more you will understand how it works. It will help you when you work on vehicles with air brakes on the Bellarine Railway.
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30th May 2016, 09:48 PM #147GOLD MEMBER
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31st May 2016, 08:49 AM #148GOLD MEMBER
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31st May 2016, 06:02 PM #149GOLD MEMBER
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Peter,
A couple of photos.
The front and rear sections of the Garratt that is being rebuilt. The cabin and boiler is on the track behind.
Work being carried out on the carriage. I have been making up some of the right angle brackets.
Regards
Keith
carriage.jpg garratt.jpg
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31st May 2016, 06:08 PM #150
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