Project Raspberry
- Dr. Bond of the DVLR
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Project Raspberry
As I mentioned in my DVLR thread I have been quite busy working on "Project Raspberry". I've been keeping it quiet for a little while as I wasn't sure how successful it was going to be but I've had a few encouraging results so am ready to share. Plenty of tyro metal bashing involved here - I am a novice metal worker so there are lots of mistakes and ugly bits but I am a big believer in paint hiding a multitude of sins...
First of all we will need one of these... Any guesses?
(I am going to tidy this one up with a file tomorrow hence the ugly joins and flanges...)
Just made from a pluming joint, some brass plate from the scrap box which was filed to shape from the end. the copper pipe was just soldered in and the drain plug and drain bush was turned from some brass 1/4 inch hex, the whole lot it soft soldered together.
First of all we will need one of these... Any guesses?
(I am going to tidy this one up with a file tomorrow hence the ugly joins and flanges...)
Just made from a pluming joint, some brass plate from the scrap box which was filed to shape from the end. the copper pipe was just soldered in and the drain plug and drain bush was turned from some brass 1/4 inch hex, the whole lot it soft soldered together.
The railway which people forgot
(to build)
Steam powered smoothie maker.
Dan,
James: "Dan, can you use your hearing and tell me if that trains coming ?"
DLR
www.freewebs.com/dlrail
James: "Dan, can you use your hearing and tell me if that trains coming ?"
DLR
www.freewebs.com/dlrail
- dewintondave
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Moonshine! I'll take 2 bottles!
The Hollycross Railway Company!
https://gardenrails.org/forum/viewtopic ... 41&t=10467
https://www.flickr.com/photos/pipps_trains/
https://gardenrails.org/forum/viewtopic ... 41&t=10467
https://www.flickr.com/photos/pipps_trains/
- Peter Butler
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- Dr. Bond of the DVLR
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Sander???
The Hollycross Railway Company!
https://gardenrails.org/forum/viewtopic ... 41&t=10467
https://www.flickr.com/photos/pipps_trains/
https://gardenrails.org/forum/viewtopic ... 41&t=10467
https://www.flickr.com/photos/pipps_trains/
- Dr. Bond of the DVLR
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- Joined: Tue Jun 09, 2009 9:43 pm
- Location: Suffolk
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-
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Steam heating!!
The Hollycross Railway Company!
https://gardenrails.org/forum/viewtopic ... 41&t=10467
https://www.flickr.com/photos/pipps_trains/
https://gardenrails.org/forum/viewtopic ... 41&t=10467
https://www.flickr.com/photos/pipps_trains/
- Peter Butler
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- Dr. Bond of the DVLR
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The final part of the puzzle
Well done to invicta280 for correctly guessing. I am re-visiting my experiments with air brakes by fitting up River Deben for air brake opperation.
The tank is an air reservoir, the valve is the train brake valve (On, Off and lap - off connects the reservoir to the train brakes, on lets the air out of the train brakes), the hoses are for the air brakes and the westinghouse pump works (although not terribly reliably at the moment), I have yet to test the pump on steam yet but it runs well on 30-15psi compressed air so things are looking hopeful!
Well done to invicta280 for correctly guessing. I am re-visiting my experiments with air brakes by fitting up River Deben for air brake opperation.
The tank is an air reservoir, the valve is the train brake valve (On, Off and lap - off connects the reservoir to the train brakes, on lets the air out of the train brakes), the hoses are for the air brakes and the westinghouse pump works (although not terribly reliably at the moment), I have yet to test the pump on steam yet but it runs well on 30-15psi compressed air so things are looking hopeful!
The railway which people forgot
(to build)
- tom_tom_go
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- Dr. Bond of the DVLR
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The final bit - getting the pump to work. A very rough video of the moment I stumbled upon the working configuration. Please excuse the video - I was quite excited!
https://www.youtube.com/watch?v=Uo0JGLTi7zI
https://www.youtube.com/watch?v=Uo0JGLTi7zI
The railway which people forgot
(to build)
- Peter Butler
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- Posts: 5236
- Joined: Sun Sep 09, 2012 10:33 pm
- Location: West Wales
- Dr. Bond of the DVLR
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- Joined: Tue Jun 09, 2009 9:43 pm
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A little time has elapsed to say the least! Mainly because I managed to loose the pump! I was rather angry with myself for loosing it - it must have fallen down as it was found in the soil of a ground level flowerbed by the Mother 8 months later
I've overhauled it and changed the arrangement of the NRVs so that it doesn't leak back anymore. The compressor can raise 10psi in the res and can then be switched off without the res pressure decreasing (to save steam). The brakes can be taken off about 3 times (depending on the length of the train) with 10psi so that's enough for me!
Just need a few final bits now. Another gauge (so I can have one for the brakes and one for the Res which will looks really good when you do a brake application and all the needles move)
Also I am waiting for a steam valve from Macc models. I need to make up a manifold for River Deben (so I can put loads more valves and whatnots on in the future)
I've overhauled it and changed the arrangement of the NRVs so that it doesn't leak back anymore. The compressor can raise 10psi in the res and can then be switched off without the res pressure decreasing (to save steam). The brakes can be taken off about 3 times (depending on the length of the train) with 10psi so that's enough for me!
Just need a few final bits now. Another gauge (so I can have one for the brakes and one for the Res which will looks really good when you do a brake application and all the needles move)
Also I am waiting for a steam valve from Macc models. I need to make up a manifold for River Deben (so I can put loads more valves and whatnots on in the future)
The railway which people forgot
(to build)
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