Llewellyn Loco Works #1
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Re: Llewellyn Loco Works #1
Only you know your 'mistakes' although I am sure it's just down to you being critical of yourself (I am the same).
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Re: Llewellyn Loco Works #1
Lads, the lifting links are next, now pay attention please.
1" free machining
Part and then face to size, aiming for 4.80mm, yep, that will do.
Now what did I say about paying attention. The filing buttons were fitted (had to make another two pair) but the curved shape was overlooked and the first one was scrapped, however two to size and shape did eventuate. Took most of the day.
1" free machining
Part and then face to size, aiming for 4.80mm, yep, that will do.
Now what did I say about paying attention. The filing buttons were fitted (had to make another two pair) but the curved shape was overlooked and the first one was scrapped, however two to size and shape did eventuate. Took most of the day.
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
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Re: Llewellyn Loco Works #1
A lump of steel, cooked up to remove any stresses, destined to be a pair of "Motion Driving Cranks", "Eccentric Cranks" or "Return Cranks" depending where you reside.
Squaring up
Drill, ream, drill, tap, repeat.
Mill here and there, slitting saw and mill, mill
File file
Done.
with trimmed 10BA screws and lock nuts
Squaring up
Drill, ream, drill, tap, repeat.
Mill here and there, slitting saw and mill, mill
File file
Done.
with trimmed 10BA screws and lock nuts
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
Re: Llewellyn Loco Works #1
Nice work, these could be one of the most important pieces for a good working steam engine..
"En schöne Gruess" from an Alpine railway in Holland.
- Hydrostatic Dazza
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Re: Llewellyn Loco Works #1
Thanks and agreement, however if I have messed up some where with the redesign I would be very stressed if I had to make new expansion links. That would make me dark!
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
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Re: Llewellyn Loco Works #1
I am making screw pivot pins to connect things, I was having trouble sorting a good reasonably quick but accurate and precise process.
Then suddenly
It comes to me while I made the third pin that was destined for the scrap bin.
Do not make the bolt/pin profile and then cut the thread, instead I turn just the thread diameter and then cut the thread, relieve the last thread to the shoulder. The cut was done with a .50mm parting tool blade that was ground down from a 1/16" blade. Then I turned the 2.02mm diameter, for 1.65mm, chamfer the hex and part off. Then face off the parted surface of the hex head in the Cowells lathe and also trim the threaded section to get the slightly rounded end to the thread.
I know this sequence might be bleeding well obvious to most, but for dim old me , it was YAY!
Then suddenly
It comes to me while I made the third pin that was destined for the scrap bin.
Do not make the bolt/pin profile and then cut the thread, instead I turn just the thread diameter and then cut the thread, relieve the last thread to the shoulder. The cut was done with a .50mm parting tool blade that was ground down from a 1/16" blade. Then I turned the 2.02mm diameter, for 1.65mm, chamfer the hex and part off. Then face off the parted surface of the hex head in the Cowells lathe and also trim the threaded section to get the slightly rounded end to the thread.
I know this sequence might be bleeding well obvious to most, but for dim old me , it was YAY!
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
- tom_tom_go
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- Hydrostatic Dazza
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Re: Llewellyn Loco Works #1
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
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Re: Llewellyn Loco Works #1
If I drop a motion pin on the 12" to the foot scale I crack a toe open, leaping about with curses spewing out, or at least a good test for the steel caps.
If I drop one of these and I am on my hands and knees, squinting.
These motion pin/bolts take an inordinate amount of time to make.
If I drop one of these and I am on my hands and knees, squinting.
These motion pin/bolts take an inordinate amount of time to make.
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
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Re: Llewellyn Loco Works #1
Made a new chamfer tool to use in the little Cowell’s lathe, after parting off in the Myford I take the bolt/pin to the little Cowells and face off to the correct thickness and then chamfer the hex. Once I have all dials set production went smoothly. Then I milled the foot plate square, then cleaned the machines down and mopped the work shop floor and felt good about that. I detest working in swarf and dirt in the hobby room. The foot plate will be chopped and drilled as the design and parts are produced, including a big hole for the firebox. I am going to mount a block and temporary reach rod on the foot plate for setting up the motion. I am not sure yet how I am mounting the servos, but I have a draft approach for this.
I joined the Ffestiniog society. (50 Quid) The plan is that in 2020 I will visit and volunteer at the Boston Lodge there for 2- 3 weeks. It costs 5 quid a night to stay at the railway hostel. I have got to do it once in my life, at this most famous Welsh railway.
Cheers Dazza
I joined the Ffestiniog society. (50 Quid) The plan is that in 2020 I will visit and volunteer at the Boston Lodge there for 2- 3 weeks. It costs 5 quid a night to stay at the railway hostel. I have got to do it once in my life, at this most famous Welsh railway.
Cheers Dazza
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
- Peter Butler
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Re: Llewellyn Loco Works #1
I like tidy but you work in an operating theatre!
Wonderful stuff though and rapid too.
Wonderful stuff though and rapid too.
The best things in life are free.... so why am I doing this?
Re: Llewellyn Loco Works #1
Blimey, that floor is clean enough to eat your dinner off. Seriously though I also like to work in a (relatively) clean environment but I'm always torn between keeping it clean and tidy and the time it takes to have a tidy up.
Phil
Re: Llewellyn Loco Works #1
Absolutely brilliant! The workshop you have, as well as your locomotive..! I'll show your workshop at my work as an example of how a professional workspace should look like.
The best thing about it is the floor however. It can be cleaned with water and soap, you see every tiny bit you drop and it is light, so you see what you're doing.
The only important thing I don't see is a good stereo.. I've moved my old Pioneer surround system to the shed, which can be linked to my phone for any kind of music I feel like, no matter what volume.. I guess that is the best thing in my workshop.
The best thing about it is the floor however. It can be cleaned with water and soap, you see every tiny bit you drop and it is light, so you see what you're doing.
The only important thing I don't see is a good stereo.. I've moved my old Pioneer surround system to the shed, which can be linked to my phone for any kind of music I feel like, no matter what volume.. I guess that is the best thing in my workshop.
"En schöne Gruess" from an Alpine railway in Holland.
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Re: Llewellyn Loco Works #1
daan wrote: ↑Mon Apr 16, 2018 9:09 am Absolutely brilliant! The workshop you have, as well as your locomotive..! I'll show your workshop at my work as an example of how a professional workspace should look like.
The best thing about it is the floor however. It can be cleaned with water and soap, you see every tiny bit you drop and it is light, so you see what you're doing.
The only important thing I don't see is a good stereo.. I've moved my old Pioneer surround system to the shed, which can be linked to my phone for any kind of music I feel like, no matter what volume.. I guess that is the best thing in my workshop.
Epoxy floor is a beautiful thing, cleans up and washes off and dries fast. I need to do the bike making area as well, but the disruption to the cash flow will be huge.
You are correct about the stereo, MAM bought me one and I have to put some shelves up and set it up. I have a wall TV antenna socket and power supply for a TV so I can watch the test matches but I do not think I will install a TV. It was a silly idea. I do not use a mobile phone let alone a smart phone. I am still a CD man. I listen to Radio National all day on the digital radio but a lot of the time I am in the Red Room I listen to the ABC's Jazz channel . I am a Nick Cave fan and Bowie and ....................all sorts. Driving is Nick Cave. Unless cricket is on the radio, then it must be cricket. Cleaning does take time however it makes me feel relaxed and confident in my hobby.
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
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Re: Llewellyn Loco Works #1
Last night after 11 hours in the bike workshop (preshow stress) after dinner I spent some time finishing off installing the cranks for the drains.
Then I was trying to get the Servo to twitch the right amount, but not mastered, it was getting late and I was tired so off to the feathers I went.
Then I was trying to get the Servo to twitch the right amount, but not mastered, it was getting late and I was tired so off to the feathers I went.
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
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Re: Llewellyn Loco Works #1
Thanks, it will be interesting to see how well it works when all is in steam.
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
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Re: Llewellyn Loco Works #1
A few more parts fitted up. So far all is OK, I think I need to ease the fit of the valve cross head pin and there is a slight rub with the cosmetic bolt head on the cross head and combination lever. It was always tight here. I will be quiet for a few weeks as MAM and I are off for a few weeks and attending the Aussie hand made bike show
Cheers from Dazza, The Hydrostatic Lubricator
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
The chances of finding out what’s really going on in the universe are so remote, the only thing to do is hang the sense of it and keep yourself occupied. Douglas Adams
- Peter Butler
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Re: Llewellyn Loco Works #1
When you return Dazza, please remember we have an 'off topic' section where you might entertain us with your specialist bike build, and others there too?
The best things in life are free.... so why am I doing this?
Re: Llewellyn Loco Works #1
Yes please, I would love to see the bikes too.. I have a small concearn about the servo though. On all my locomotives, the place where that servo is, is the nastiest, greasiest and dirtiest place of the whole locomotive. Steamoil, hot watercondensate and grease from the smokebox drip down here, and your servo will be out of order within a few driving sessions. You'll need to shield it somehow against the muck coming from above.
The other thing is the tight fit between the cross head and the combination lever you mentionned. When you've driven the locomotive a few times, the joints wear in and the combination lever slacks a bit more. What now is a slight rub, will be a punch later on. The lever is fixed to the valverod above and a 2 part joint on the underside. The valverod doesn't keep the lever in position, because it pivots. The position is kept by the 2 joints fixed to the cross head, which now have 0 play, because it is not run in yet. After a while, these 2 joints will loosen up a little bit, causing serious play on the combination lever.
I would offer the cosmetic bolts, it's the easiest way to be safe. You only need a jam at speed to ruin the combination lever..
The other thing is the tight fit between the cross head and the combination lever you mentionned. When you've driven the locomotive a few times, the joints wear in and the combination lever slacks a bit more. What now is a slight rub, will be a punch later on. The lever is fixed to the valverod above and a 2 part joint on the underside. The valverod doesn't keep the lever in position, because it pivots. The position is kept by the 2 joints fixed to the cross head, which now have 0 play, because it is not run in yet. After a while, these 2 joints will loosen up a little bit, causing serious play on the combination lever.
I would offer the cosmetic bolts, it's the easiest way to be safe. You only need a jam at speed to ruin the combination lever..
"En schöne Gruess" from an Alpine railway in Holland.
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