• Scam Alert. Members are reminded to NOT send money to buy anything. Don't buy things remote and have it shipped - go get it yourself, pay in person, and take your equipment with you. Scammers have burned people on this forum. Urgency, secrecy, excuses, selling for friend, newish members, FUD, are RED FLAGS. A video conference call is not adequate assurance. Face to face interactions are required. Please report suspicions to the forum admins. Stay Safe - anyone can get scammed.
  • Several Regions have held meetups already, but others are being planned or are evaluating the interest. The Calgary Area Meetup is set for Saturday July 12th at 10am. The signup thread is here! Arbutus has also explored interest in a Fraser Valley meetup but it seems members either missed his thread or had other plans. Let him know if you are interested in a meetup later in the year by posting here! Slowpoke is trying to pull together an Ottawa area meetup later this summer. No date has been selected yet, so let him know if you are interested here! We are not aware of any other meetups being planned this year. If you are interested in doing something in your area, let everyone know and make it happen! Meetups are a great way to make new machining friends and get hands on help in your area. Don’t be shy, sign up and come, or plan your own meetup!

Search results

  1. CWelkie

    Oscillation/Vibration in lathe

    Reminds me of a story from the development of the Rolls Royce Merlin engine ... apparently test engineers would check for detonation in an engine running in a test cell with a piece of metal between their teeth. Seems engineers were made of sterner stuff back then.
  2. CWelkie

    1910 Anzani Y-Type

    Thanks everyone for the kind feedback. PeterT - My standard answer to the usual questions about "what it does or will go into" is usually "nothing". It's amazing how many don't understand that it's about the journey and not the destination. Doesn't matter if I'm building something or going...
  3. CWelkie

    1910 Anzani Y-Type

    Last autumn I gathered up the drawings, magazine articles and castings for a 1/4 scale Anzani 3-cylinder radial model (aka Y-type). The castings consisted of crankcase halves, rear cover, carburetor and intake pipe elbows. Everything else is bar stock. Yes, that includes the cylinders. They...
  4. CWelkie

    Radial engine build

    Excellent work. The old adage about changing one thing leads to 10 other revisions comes to mind ... In case you decide to purchase a propeller with a thicker and larger diameter hub, Falcon Propellers does some nice wooden props in a couple styles. (I've no connection, just a satisfied...
  5. CWelkie

    Installing a DRO on a Hartford Bridgeport Clone.

    When I got the mill it was missing the original handle/knob for the manual quill feed (the one used when the quill drive is engaged). What you see is the replacement I made.
  6. CWelkie

    Installing a DRO on a Hartford Bridgeport Clone.

    Ask away Susquatch … us Hartford guys need to look after each other. <grin>
  7. CWelkie

    Installing a DRO on a Hartford Bridgeport Clone.

    For what it's worth, here are a few photos of my 3 axis DRO installation. These are "old fashioned" glass scales installed quite awhile back. Please excuse the lack of cleanliness - just finished work on 3 cast iron cylinders for the current engine project and that stuff gets everywhere...
  8. CWelkie

    Radial engine build

    Good looking and serviceable solution. I'm glad you found a pleasing way to do this.
  9. CWelkie

    Do you RC?

    Another one here ... seriously into RC aircraft from the early 70's until about 5/6 years ago. Before that, control line and free flight. (Think I've still got a couple of RIngmasters hanging in the garage.) My time and attention slowly shifted more towards machining projects. Flying had...
  10. CWelkie

    Pushrod tubes

    The Technopower solution could be cleaned up if half-spheres were used. With the little bit of oil involved they might seal well enough. Certainly the lowest parts count. Glow engines seem to run in a "fog of oil" anyway so a little leakage just indicates that oil is getting there ... I've...
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