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Old 06-27-2017, 07:06 AM   #51
Tony Bird
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Hi,

I think he's referring to your coping saw.

Thanks, I see what you mean. The answer then is: a hand held Piercing Saw also know as a Jeweller's Saw using an 0/3 blade.

Regards Tony.


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Old 06-27-2017, 07:10 AM   #52
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Hi Tony, nice work on the new engine
Who do you buy youre piercing saw blades from as Im running out and no longer have accounts with my old suppliers
This maybe of interest to new model makers
https://guildofjewellerydesigners.co...e-piercing-saw
cheers
frazer


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Old 06-27-2017, 11:24 AM   #53
Tony Bird
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Hi Frazer,

I get the blades from the same Horological supplier that I get the shellac www.cousinuk.com they take plastic.

Regards Tony.
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Old 06-27-2017, 12:32 PM   #54
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Thanks Tony. I made the mistake of buying some that wont cut butter
cheers
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Old 07-16-2017, 01:58 PM   #55
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Tony, as a newbie to building engines i am inspired by your progress so far. I would rather see a build such as yours than one from a kit . There is a app called Pinterest that has pictures of anything but my wife and i follow steam engine ones, and the best are usually scratch built like yours. Were about done setting up a small shop are are ready to build our first one. Still deciding on what to make first. Your ideas will help future inspirations. Thanks for the posts. Dave and Tammy
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Old 07-16-2017, 05:17 PM   #56
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Hi,

I decided it was time to do a little more on the beam engine so I made a start today. Nothing has come up that I could make an eccentric from to operate the valve gear so I had to resort to steel stock to make it.



I did find a short length of large hexagonal brass to make the eccentirc sheaf from.



After sawing off a piece it was drilled and bored to take the eccentric made.




This created rather a lot of swarf.



As already mentioned I had spent my whole weekly allowance of 2 on a pair of brass candlesticks, one of which was used for the eccentric rod.



The stem of the candle stick was machined to fit the eccentric sheaf.



The result when attached to the sheaf.



It is now crunch time I have to design some sort of valve gear and I have a maximum of a 20 mm (big 3/4") throw to play with.



So I will have to find a pencil and do some sums after I decide which type of valve gear to use.

Regards Tony.
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Old 07-16-2017, 05:23 PM   #57
Tony Bird
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Hi Tammy and Dave,

As a newbie to building engines I am inspired by your progress so far. I would rather see a build such as yours than one from a kit . There is a app called Pinterest that has pictures of anything but my wife and I follow steam engine ones, and the best are usually scratch built like yours. Were about done setting up a small shop are are ready to build our first one. Still deciding on what to make first. Your ideas will help future inspirations. Thanks for the posts.

I am glad you enjoy my efforts. I look forward to see what you decide on for your first project. If I can be of any help please ask

Regards Tony.
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Old 07-17-2017, 11:33 AM   #58
Tony Bird
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Hi,

The eccentric now has an oil pot and has been fitted to the crankshaft, it has a 16 mm throw.






It will be on hold for a bit as other projects need work; I am also looking for inspiration for what to make a valve chest from.

Regards Tony.
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Old 07-17-2017, 02:15 PM   #59
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Tony, again I just love your inspiration and ability to pull it off. You are a great teacher! Many thanks for sharing. I also love your video and photo graphics - that is an art in itself.
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Old 07-17-2017, 08:07 PM   #60
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This is an outstanding project. I love your ability to take all these seemingly unrelated parts and put them together as if they were meant to be. Good work!


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