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Thread: Rob Roy
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4th April 2022, 11:37 PM #61GOLD MEMBER
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Wow Derek, it's looking tremendous.
Lots of hard work but really worth the effort - you are a true craftsman
Regards
Keith
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4th April 2022 11:37 PM # ADSGoogle Adsense Advertisement
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5th April 2022, 01:35 AM #62
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8th April 2022, 02:02 AM #63
Yesterday the long series drill bits and the long series tap arrived so got on with the buffer beams now they are all fixed in place. Now the first of the wheels are on the lathe no photos of that yet but a quick photo of the frame all assembled. I was very pleased the way it went together I did it on a surface plate to make sure the frames and buffer all sat square and level with no twisting in the assembly
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8th April 2022, 06:04 AM #64Senior Member
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Very well done above my pay grade.
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8th April 2022, 07:04 AM #65
Thank you Peter. This takes a lot longer than the wooden models I normally make, I needed something with a longer build time and have always wanted to make a live steam model. Yes it is a learning curve coming from woodworking hobby which I have not given up.
I have done a lot of reading and watching some of the more well known metal workers on U-tube
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8th April 2022, 09:42 AM #66GOLD MEMBER
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It's looking fantastic Derek.
Little wonder that you are happy.
Keep up the top work and the postings.
Regards
Keith
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11th April 2022, 05:31 AM #67
Have been working on the wheels this is taking a bit of time so far 4 days but that is not solid as I have the garden as well as other jobs.
Started with 6 rough cast wheels which are very good quality as far as casting go no blow holes either
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This is what it looks like all that needs doing now is to make a mandrel and finish turning the outer rims
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Well that is three down before the next stage three more to go then I will complete the rims on all of them as once the mandrel is turned I do not want to loose the setting of it while turning the rims
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11th April 2022, 04:09 PM #68GOLD MEMBER
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Hi Derek,
Yes - nice looking castings. Are they a local (Gt Britain) supply ?
Your loco is going to be a beauty.
Regards
Keith
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11th April 2022, 05:37 PM #69
Yes they are a British company that supplied them Kennions is there name we are lucky there are a few companies that make castings from stationary steam engines to traction engines. There is a few Australian model steam engine builders one is making the Ballaarat
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11th April 2022, 06:23 PM #70GOLD MEMBER
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Top video - Thanks Derek.
That little loco really packs a punch when it gets it's steam up.
Regards
Keith
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13th April 2022, 09:50 PM #71
Ballaarat
Ballaarat manufactured by the Victoria Foundry in Ballarat, Victoria. Completed in March 1871. Cylinders 7" dia x 14" stroke. Drive wheels 3' diameter, Overall 18' 6" long, weight 9 ton. Gauge 3' 6". Cost 780 pound delivered to Melbourne. The locomotive worked in Busselton, Western Australia.
What is interesting is the valve gear works off the leading axle, but the connecting rod goes to the rear axle. Normal practice is to have the valve gear on the same axle the connecting rod goes to. In the case of Ballaarat the firebox is in the way.
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19th April 2022, 06:32 PM #72
Been a few day sine I posted I did have a hiccup with one of the wheels and had to order a new one anyway I have now completed all of the turning on them the first photo shows the final turning of the treads.
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The wheels all turned and laid along side the completed chassis
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Now onto the next job cleaning out all of the webs started that last night and managed to get one complete after drilling a load of holes to get started with. After just one it took it out on my hands as I was using a dremel. After this is done I will need to drill for the crankpins but I am waiting for a reamer to do that. Well now onto the remaining 5 wheels
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20th April 2022, 09:31 PM #73
I am sure if it was me, I would not have a hiccup with one wheel, probably 5 of them so would be ordering another half dozen.
Keep up the good work and the posts.
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21st April 2022, 03:58 PM #74GOLD MEMBER
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Top work Derek,
The beauty about making a mistake is that you learn not to do it that way again.
It's looking fantastic mate. Excellent
Regards
Keith
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21st April 2022, 08:11 PM #75
Thanks guys yes mistakes are made but I got sorted in the end even if it meant getting a new piece and starting again. It was a moment of brain not thinking correctly I went to the drill rack for some drills to do the centre hole and knowing that I needed to end up with a reamed 7/16" hole I picked up the drill bits and by mistake grabbed the 7/16" bit which as many will know always drill over the stated size instead of a bit one size under so I could put a reamer through.
Yes there are ways around that but I would not have been happy knowing I had to modify the wheel/axle.
I am spending time cleaning out between the webs of the wheels at the moment so no photos, the reamer for the crankpin has arrived so they can now be drilled.
I did take a couple of hours away from the loco and turned a small bowl which I will put in the appropriate section on here.