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Brisbane Valley Tramway, Australia
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   Brisbane Valley Tramway, Australia
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   Author  Topic: Brisbane Valley Tramway, Australia  (Read 13708 times)
tomc
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Re: Brisbane Valley Tramway, Australia
 
« Reply #320 on: Dec 1st, 2013, 11:33pm »
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Pete, makin nice progress.  I like the saloon idea.  Tip one for us.
 
Tom C.


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fred_55
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Re: Brisbane Valley Tramway, Australia
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« Reply #321 on: Dec 5th, 2013, 6:11pm »
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And one more pic, of a rail delivery. The big little bridge in the foreground has temporary side support for the ballast loads.
Planning to have the turning triangle operational by New Year's Eve for an unmeet (3 steamers and a GP38 have expressed interest)
Pete


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« Last Edit: Dec 5th, 2013, 6:15pm by fred_55 » Logged

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fred_55
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Re: Brisbane Valley Tramway, Australia
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« Reply #322 on: Dec 22nd, 2013, 1:50am »
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It's been hot and hard, but we're there with everything ready except the station platform.
Here's the entry to the station and turning triangle, the other side of the picture above


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« Last Edit: Dec 22nd, 2013, 1:51am by fred_55 » Logged

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fred_55
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Re: Brisbane Valley Tramway, Australia
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« Reply #323 on: Dec 22nd, 2013, 1:54am »
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End of the line. The 1:1 ties should stop anything going over the waterfall.
I did bring the steamer down for the first run, but things didn't work out too good.


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fred_55
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Re: Brisbane Valley Tramway, Australia
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« Reply #324 on: Dec 22nd, 2013, 1:59am »
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I had been packing to finish the track because I needed to address a loose driving wheel (think it got hot  as the axle goes right through the ashpan) that I found when the keyway fell out
I saw a post on Home engineer about scotch keying drivers with threaded screws. I put two 5mm screws in each, and made the holes 20mm deep and blind, so the screws would bottom heavily, helped by Loctite hi temp retainer.


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« Last Edit: Dec 22nd, 2013, 2:18am by fred_55 » Logged

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fred_55
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Re: Brisbane Valley Tramway, Australia
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« Reply #325 on: Dec 22nd, 2013, 2:04am »
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I couldn't work out how to hoist the loco so I laid it on it's side. Not a goodway to treat a loco, but with lots of packing and a rubber mat, it proved to be easy and safe, and didn't have any damage other than a bent step.

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fred_55
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Re: Brisbane Valley Tramway, Australia
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« Reply #326 on: Dec 22nd, 2013, 2:14am »
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That should have been the end of hard work, but as it pulled in to Laura station, the firebox syphon tube (yes, the one I replaced last year with 3000 psi hydraulic pipe) split. Before I could kill the fire (I had been building it for the return trip) the plug blew, killing the injectors.  All I could do was stuff a rag in the stack and turn on the blower.
Right now I don't know what the next move is, but it's knocked every ounce of enthusiasm clean out.  
Santa, I've been real good, can I have a new boiler please
Pete
 
Merry Christmas all


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Henry
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Re: Brisbane Valley Tramway, Australia
 
« Reply #327 on: Dec 22nd, 2013, 12:00pm »
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Sorry for the bad luck Pete! Keep on keepin' on!
 
Merry Christmas and Happy Holidays
 
Henry


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tomc
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Re: Brisbane Valley Tramway, Australia
 
« Reply #328 on: Dec 22nd, 2013, 1:18pm »
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Sorry to hear of the failure Pete!  Do you really need it to go thru the firebox?  
 
Tom C.


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Re: Brisbane Valley Tramway, Australia
 
« Reply #329 on: Dec 22nd, 2013, 9:29pm »
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Pete,
 
I am sorry to here of the siphon tube failure. I know personally the aggravation and frustration of a locomotive with issues. At the last unmeet my lubricator failed which resulted in seizing up the valve bobbins. I have been working on repairs ever since.  
 
Don't give up. Just keep thinking of the fun you'll have steaming around your gorgeous track!
 
Merry Christmas and a Happy and Prosperous New Year!


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fred_55
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Re: Brisbane Valley Tramway, Australia
 
« Reply #330 on: Dec 24th, 2013, 2:45am »
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Thanks for your words of encouragement.  Maybe I won't push it off a cliff.  I have checked the code and syphons are now optional.  I'm going to get rid of mine.
Incidentally, the man who helped install the tube had his boiler here today to get new fireclay (apparently I'm the clay expert!) His boiler syphon is in perfect condition and it was the offcut from his pipe that went into my loco.  How weird is that
 I also realised that the tube went the first time on the opening lap of the previous section of track.  Next time I open a section of track, I'll get someone elses loco
 
Pete


« Last Edit: Dec 24th, 2013, 2:53am by fred_55 » Logged

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Steen_Rudberg
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Re: Brisbane Valley Tramway, Australia
 
« Reply #331 on: Dec 24th, 2013, 5:05am »
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Hi Pete
 
Maybe the tube should above tie fire insted of in the fire - it looks like it has burned a way.


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Steen Rudberg
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fred_55
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Re: Brisbane Valley Tramway, Australia
 
« Reply #332 on: Dec 24th, 2013, 4:46pm »
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Glædelig jul og godt nytår Steen. Perhaps I should explain "Briggs" boiler as it seems to be an Aussie oddity.  
 http://www.narrowgauge.iform.com.au/boiler.html
There are no side or back water walls, or need for stays,  so construction is very simple, safe and strong.   However it isn't as efficient as a locomotive" type so the syphon or circulator tube runs from the blowdown fiiting(in front of the firebox) through the fire to the crownsheet.
It works very well and all but eliminates "dead" spots in the water, but is at the mercy of fire corrosion, physical damage, and blockage with scale.
Because it also can cause excessive turbulance, the code has been  recently changed to make it the builder's choice whether it is desirable or not.
Steel locomotive boilers are rare here, and expensive, however the "New Rich" can now have a loco boiler in "stainless" (2205 steel) which is light, very strong, requires no boiler tretment, but costs double a carbon steel one.
You pays your money and takes your choice!
Pete


« Last Edit: Dec 24th, 2013, 4:49pm by fred_55 » Logged

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Steen_Rudberg
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Re: Brisbane Valley Tramway, Australia
 
« Reply #333 on: Dec 27th, 2013, 6:50am »
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Hi Pete
 
Merry Christmas & Happy newyear.
 
Thanks for sharing - it helps understanding.
 
How much will you loose if you remove the boiler syphon.  
Would it bee possible feed it in at the level of the lower tubes?


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Steen Rudberg
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BobbyT
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Re: Brisbane Valley Tramway, Australia
 
« Reply #334 on: Dec 27th, 2013, 7:14pm »
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Pete,
 
What if you "sleeved" the carbon steel siphon with a stainless steel pipe? The stainless steel would hold up to the fire better.  
 
Bobby


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fred_55
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Re: Brisbane Valley Tramway, Australia
 
« Reply #335 on: Dec 28th, 2013, 10:25pm »
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Bobby, All repairs have to be certified here, and my ability to weld tubes is zero . Removing and plugging doesn't require cert).
Steen, I immediately said NO to the pipe being higher, but on closer inspection, the centre bottom tube is left out for the front drain plug, so in theory it IS possibe to put the pipe higher, like some of the 1:1 locos that had hollow brick arch supports. However it would need to be done at construction time.
Yesterday I had an "unmeet" for family, friends and neighbours, with three deisels. It was highly satisfactory and raised the eyebrows of some who had seen me disappearing into the forest but not realised what I was doing. Hi-tech son has videos, hopefully he'll get bored enough to edit and youtube them.
Today it is way too hot to be outside (37/98 air temp) so I am boiler pulling.
Pete


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Steen_Rudberg
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Re: Brisbane Valley Tramway, Australia
 
« Reply #336 on: Dec 30th, 2013, 6:37am »
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Hi Pete
 
As you wrote " the centre bottom tube is left out for the front drain plug ". That was what I saw on the page you linked to.
If you insert the tube at that location you may also make some flow along the tubes towards the cold end of the boiler getting better circulation.  


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Steen Rudberg
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Re: Brisbane Valley Tramway, Australia
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« Reply #337 on: Dec 31st, 2013, 1:02am »
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Thanks Steen, but I'm taking the easy option. Here's the problem, pipe perfect at the ends but paper thin in the middle.  NO MORE  It's gone, removed, blanked off, firebox welded over, blowdown relocated. Waiting on fireclay to set then test and reinstal. Might even make the weekend meet.
Pete


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Re: Brisbane Valley Tramway, Australia
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« Reply #338 on: Jan 23rd, 2014, 3:30am »
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Update. Boiler back in, with no siphon. I rearranged the fireclay to reduce dead spots, and replaced the "rocket science" lagging with fibreglass mat as it had disintegrated prematurely.
For testing I knocked the safeties down to 80 and lit up a wood fire. To my surprise it steamed like crazy. As I have a lot of untreated sleeper material I ran for the unmeet on wood only. It makes no smoke or clinker and doesn't easily produce holes. The firebed only needs to be about an inch thick but you have to add a log every lamppost! Vid of the unmeet posted.  Pete


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Boulder Creek
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Re: Brisbane Valley Tramway, Australia
 
« Reply #339 on: Feb 18th, 2014, 6:47pm »
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Track work is progressing really well mate!
I've got to get up there for a visit someday!


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Visit the Boulder Creek Tramway at: www.smex.net.au/bouldercreek
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