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Author Topic: My scratchbuilt engines  (Read 823 times)

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My scratchbuilt engines
« on: November 15, 2022, 08:12:42 pm »
Howdy all,

Got some time to sit down and photograph some of the engines I've been working on. Actually these were mostly built some years ago and I have just decided to finish them up and maybe start some new ones.

The first on I made is pretty simple, 1/4"x5/8" bore and stroke and small boiler. It runs pretty well on it's single wick burner, which I can't seem to find at the moment.

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The overtype I am really pleased with now. I just built a taller and larger firebox for it and a 2 wick burner. I've still got some small things to finish, but it works really well.

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The vertical I hope to get working next. I've got o make a new port block and screw it on rather than just solder. I also hope to make a small 2 wick burner for it and a base of course

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I have quite a few bits and bobs from a few years ago. I really want to build a steam launch, and a larger horizontal boiler of perhaps 2 inch diameter. Then maybe something other than an oscillating engine.

Regards,

Robin

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Re: My scratchbuilt engines
« Reply #1 on: November 15, 2022, 08:15:59 pm »
They look really good.

How did you form the end caps?
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Cheers.
Jim

Blue Heelers Model & Toy Steam Engine Room YouTube Channel -
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Re: My scratchbuilt engines
« Reply #2 on: November 15, 2022, 08:24:59 pm »
Thanks,
I made some forming blocks from aluminum on the lathe. I then annealed the brass and slowly beat the ends over.

Small taps and re-annealing is the key.

Once I had them formed up I took very light clean up cuts on the lathe. I think Tony Bird documented this pretty well in one of his old threads, that's pretty well where I saw it.

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Re: My scratchbuilt engines
« Reply #3 on: November 15, 2022, 08:26:49 pm »
Cheers, it's something I've always wanted to do and it looks like you've certainly mastered it.
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Jim

Blue Heelers Model & Toy Steam Engine Room YouTube Channel -
 https://www.youtube.com/user/Blue123Heeler/videos


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Re: My scratchbuilt engines
« Reply #4 on: November 16, 2022, 02:33:34 am »
Very nice looking engines, well done Robin!
Cheers
Jan
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Re: My scratchbuilt engines
« Reply #5 on: November 17, 2022, 01:57:18 am »
Attractive little engines  8)
Nick

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Re: My scratchbuilt engines
« Reply #6 on: November 17, 2022, 08:00:14 am »
Very well done, Robin...!!

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Re: My scratchbuilt engines
« Reply #7 on: November 17, 2022, 11:55:40 am »
Those look to be the size I really should have considered building and collecting myself. I'd have a few more on display that way, and many less lost in boxes taking up excess space!

Nice work on those little beauties Robin!!!
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Re: My scratchbuilt engines
« Reply #8 on: November 20, 2022, 09:51:34 am »
Thanks all for the kind and encouraging words.