HOW TO REBUILD A STUART MODELS 5A STEAM ENGINE – PART #6



How To Rebuild A Stuart Models 5A Steam Engine – Part #6 – Cutting the Keyway in the Flywheel using a Keyway Broach. The correct tool for the job. The Keyway Broach was too big to fit into the 5/8 of an inch hole in the Flywheel so before I could use it, I had to grind some of the metal underneath the tool so that itv fitted into the hole without marking the inside edge of the hole in the Flywheel.
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45 Replies to “HOW TO REBUILD A STUART MODELS 5A STEAM ENGINE – PART #6”

  1. Years ago,,, we didn’t have an arbor press either, so we had to use a broach, we pulled it though the part by turning a nut on a long threaded rod. AND YEARS later when I worked in a factory, they had a hydrolic machine that pulled the broaches through the parts.
    Thanks again for all your work and knowledge. Your videos are the first that I watch…With eager anticipation. .. 🙂

  2. Half the fun of hobbyist metalworking is figuring out how to accomplish something without having the "right" tools and equipment. I don't think I'd have ever considered mounting a broaching tool in the late like that… I'd probably try using the milling machine (or drill press) quill as a press first!

  3. Keith, I don't care what others say. I've learned a lot from your videos and love to learn what you have to teach. One of these days I might get a kit and build it and I have you to thank for teaching me how to do it the right way. It also makes me appreciate my live steam locomotives better.

  4. Keith, I really appreciate that you take the time to show alternative methods of accomplishing some tricky machining job. We all know (or should know) that there is always more than one way to do something. Let's just consign the haters and morons to the hell they have invented for themselves.

  5. Beautifully done.
    Leaving the gap so that you can get a tool behind it later…. I do wish more folks would make things with those sorts of little features in mind for future maintainers.
    Thank you for another excellent video.

  6. I notice allot of people seem to be overly concerned with the "proper" way to do something, forgetting this is a hobby project and what matters more is what works and works well.

  7. Really interesting Keith, do you think you could have used a 3/16" thick parting tool, which would have been somewhat cheaper than the broach, I would think. Fantastic and really instructive videos, thanks for all your efforts.

  8. Very nice work Mr. Appleton.  Typically a person would use a collared bushing to center and guide the broach.  It would also maintain proper axial alignment to prevent broach deflection and cutting a tapered keyway.  But your method seems to work as well, and I really enjoy seeing how you overcome the challenges of not having a full machine shop at your disposal.

    My question is, with such a small crankshaft (5/8") in comparison to the key (3/16"), do you think that a smaller key would have been sufficient and more in proportion to the engine?  Not a lot smaller, maybe 1/8" or possibly 5/32".

    If 3/16" is what the drawing calls for, I withdrawn my question.

  9. Hi Keith
    How on earth can people be rude about your videos? I really look forward to your episodes. Keep up the great work. As a fellow Yorkshireman I also enjoy your sense of humour and quips!
    Regards
    Dave

  10. Mr. Appleton, the technique that you used to cut keyways is also used by my shop. The only difference is the Machinist have a metal device that they block the four jaw chuck with that is adjustable to a small amount. Not being of the Machinist trade, I can't tell you to much about it but I've seen them use it to cut keyways in pullies with it.

  11. I found you're channel by accident a long time ago , and maybe one day i will be able to build my own model steam engine , you have and continue to teach alternative methods for those not blessed with the essential tools other channels say you need . PLEASE don't stop .I have learned more from you than anyone else

  12. I'd noticed the increase in videos lately, it's really impressive the amount of quality stuff you're getting out.

    As for the best way to do things, there's always at least 10 ways to do something, and each way has their benefits and drawbacks. It's a compromise between lots of points, not least of which is cost. This is why as a climber I never post pictures of my rigging, and why I don't take pictures of how I make things in the workshop, it creates far too much drama when someone decides it should have been done differently, despite them not actually doing anything anyway.

    One thing no-one can say is that you don't know what you're doing, or that you don't have the experience.

  13. Keith, I get rude and unhelpful comments, and I run an ad. free channel. At times like that I remember a quote from the book: The hundred year old man climbed out of the window, and it goes like this "it just goes to prove everything is always changing, except human stupidity", CHeers, Andy

  14. Enjoying the increased output. I am a Patreon supporter and have YouTube Red so hopefully you're getting some of that as well. Thanks for the hours spent filming, editing, and putting up with foul language.

  15. Thanks again Mr Appleton for the great videos. These two on keyway were really interesting. I know I will be using your lathe tool method in the future. Ignore the so called "correct way experts". You do know your stuff and there is always at leased three ways to do anything. Thank you for spending so much time on the videos. I did not know the adds at the beginning sorted hobby expenses, will apply my part in the future. Keep it up

  16. The ads on the front of my videos just play automatically, some I can skip some I can't, I just usually let them play while I pick my nose or something ?, but seriously if it helps you tube creators make good content well and good.
    Thanks for the great content, I really do find it helpful.
    Cheers

  17. Was the broach tool easier or faster than the simple method demonstrated in part 5? Thanks (again) for all the tips and convincing me more and more that there is no 'proper way'. Trying hard to find my first project. I thought I was on to something but than the auction site we all know sold it to someone else when I was under the impression I had a deal; oh well.

    I'm also thinking about getting myself a lathe. Zoomed in on some Myford lathes (also available in NL). Do any of the followers have an opinion about those?

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