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Thread: Whisperings
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25th May 2012, 08:55 PM #286SENIOR MEMBER
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Fascinating stuff Phil,
I remember when I was a little tacker my old man took the family to have a look at the farm he was born and bred on at Boundry Bend, the highlight there for me was a rusted out steam engine, it had it's own roof over it, haha sort of over it, from memory it was 3hp but the thing huge like a small steam train, Anyway the old man waved his arm around in a 360 degree motion and said this whole place was covered in tree's as far as you see and further and we put em all through this thing, It was mostly used for flood irrigation or to run the saw so it could gut's down all that red gum.
If I ever have trouble machining a lump of brass I think I know who to ask.
cheers johnLast edited by shedhappens; 25th May 2012 at 08:57 PM. Reason: coz
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25th May 2012, 09:35 PM #287SENIOR MEMBER
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Hi John,
I hope you still have access to it as restored, they are fetching over $100,000. Mind you, that is with a pretty good restoration.
There are only really two rules when machining brass, neutral rake and small nose radius. If it is a large lump like some of our bearings there is a third rule...."don't stuff it up".
Phil
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26th May 2012, 09:24 AM #288Dave J Guest
Hi Phil,
I haven't commented much in this thread, but have been reading it and learning from it, thanks for posting.
Dave
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26th May 2012, 02:48 PM #289Senior Member
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Thanks Steamwhisperer for the explanation on the boilers et cetera.
Pity about the lathe shafts, but it will all eventually be right no doubt.
Thanks also for the pics of the steamers, boilers and "jewels".
Cheers.If I'm not right, then I'm wrong, I'll just go bend some more bananas.
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26th May 2012, 02:59 PM #290SENIOR MEMBER
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Thanks for the comments fellas. I didn't know if it was getting boring or not. Sometimes what I find interesting sends other people into a coma.
Phil
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26th May 2012, 03:33 PM #291Senior Member
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26th May 2012, 03:52 PM #292Dave J Guest
Not boring me,
Thats why I commented above to let you know I was watching and interested.
The threads I don't post in is because I have nothing to contribute, but I do learn from them.
Dave
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26th May 2012, 04:31 PM #293
Please do go ahead and try to put us in a coma! I'm still wide awake though.
Is there a crack in the CI at the top of the fire box door? Are the fireboxes as old as the engines, and are they burning timber or coal/coke?
See, no boredom here....except I'm sitting in one of our shops bored out of my brain cause one of our staff had to go early. And she did everything that needed done before she left. Thankfully I have my phone......maybe I should have bought my plane and scraper down, it may have raised some action!
Ewan
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26th May 2012, 04:41 PM #294
Phil I only pop in every now and then to see whats happening ATM wish I was near the boiler which is active a nice chair cuppa and bit of damper toasting with cockies joy n butter ready. Coma never.
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26th May 2012, 04:47 PM #295Dave J Guest
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26th May 2012, 05:42 PM #296SENIOR MEMBER
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I heard this on the radio a few days ago, as I happened to be driving.
Bomb scare: Ballarat museum evacuated | 3AW Radio
Nothing like a bomb scare to stir up the ole hill.
Phil.
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26th May 2012, 05:52 PM #297Senior Member
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26th May 2012, 05:58 PM #298SENIOR MEMBER
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You blokes may have just woken the sleeping dragon lol.
Hi Ewan,
That crack in the door shroud is almost a trademark from the Roberts and sons foundry in Bendigo. Nearly every one of their shrouds cracked right through in that position. It's a design flaw. That boiler is 101 years old and the one with the fire is 103 years old. They are about the youngest bits of steam equipment we have. These boilers were both designed to burn wood. With wood burners the combustion area is longer and the grate has bigger air gaps for wood. The one with the fire in was made at the Thompson and co. Foundry in castlemaine and was used in the daylesford hospital. Th Roberts boiler was used in the Erskine guest house down at Lorne.
Sounds like a great idea doing scraping demos outside the shop. Think of the crowd that would draw...well, I would stop anyway.
Have to run. Gotta get ready for my daughters 21st tonight. Am taking the phone in case it gets boring or it has to be broken up early lol.
Phil
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26th May 2012, 06:07 PM #299SENIOR MEMBER
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Haha that was a real drama that one Phil. They found an egg bomb from WW1 in the collection so they activated the evacuation plan but just forgot about us. Funny thing is we are sitting on bombs 1500 times bigger and they aren't too worried about that lol.
If this works have a look what a small boiler can do.
http://www.google.com.au/url?sa=t&so...1mru3LJxy0IFSg
If not, google mt. st. Canice boiler explosion
Phil
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26th May 2012, 08:32 PM #300SENIOR MEMBER
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All explosives Power Gel, ANFO, PETN, C4 ect do their job via the expanding gases from the chemical reaction, a steam boiler might not have the speed of detonation of an explosive but the huge volume of steam/gas sure makes up for it.
hmmm.... Phil what do you think would be the pressure that the boiler went boom ? Would it have been superheated steam ?
ANFO burns at about 2500 mtrs/sec and PETN at about 7500 mtrs/sec
john