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  1. K

    Boiler Construction Photographs.

    You do awesome work Tony! Loved this thread! :)
  2. K

    How can I hold a spinner so that it can be machined inside?

    Wow, Ken! That is awesome! Thanks! That is something I can actually make, I am pretty sure. All you guys are awesome! Thanks so much! :)
  3. K

    How can I hold a spinner so that it can be machined inside?

    Thanks for all the great ideas! :)
  4. K

    How can I hold a spinner so that it can be machined inside?

    Hey guys, I have this spinner hub, that is drilled and tapped already for a 1/4-28 crank. I would like to machine away about a 1/2" of the material on the inside, so that I can thread it onto the crankshaft and sit down flush against the propeller, and hiding the prop locknuts inside. I cannot...
  5. K

    Prop to wheel replacement for aero engine

    If it is going inside a closed boat hull, you would want water cooling. That is the purpose of my conversion.
  6. K

    Prop to wheel replacement for aero engine

    Look for a model boat flywheel for a CMB or OPS .90 nitro engine (15cc). Run your engine with a rich mixture to help keep the cylinder cool. You can also add a water jacket around the cylinder head, and use an electric pump to circulate cooling water. Do not try to reach peak rpm as you may...
  7. K

    Tapping Model Pipe Elbows

    And the rest of them:
  8. K

    Tapping Model Pipe Elbows

    I just happen to have saved his photos, so I hope Metal Butcher does not mind me posting them for you.
  9. K

    Tapping Model Pipe Elbows

    Thanks MB! :)
  10. K

    Tapping Model Pipe Elbows

    Metal Butcher, thanks for posting this. I liked your idea so much I made one for myself, only for the 3/16" size fittings.
  11. K

    Not an engine casting but.... PMR boiler feed pump casting kit?

    Google search helps again. ;) http://bbs.homeshopmachinist.net/archive/index.php/t-54.html http://mindeern-engine.blogspot.com/2006_04_01_archive.html
  12. K

    Not an engine casting but.... PMR boiler feed pump casting kit?

    Didn't know where else to put this question... Has anyone made this pump from the casting kit? Not the pre-machined parts kit, but the raw materials kit? As I have not yet made anything from a casting, I was wondering if there are any precautions I should know about when working with the cast...
  13. K

    Tool Post Grinder

    Okay, thanks. I understand better now. :)
  14. K

    Tool Post Grinder

    I'm glad this question came up. If we have the ability to turn metal on our lathes, why would we want to use a grinder instead? My bench grinder I use makes horrible grinding marks on metal when use it with the standard wheel. Even a new green wheel I bought still makes marks. I can get a...
  15. K

    Roughing end mill = Awesome!

    Awesome, thanks! ;D
  16. K

    Roughing end mill = Awesome!

    I recently tried a 3/8" roughing mill and was impressed. That 3/4" is the bomb! :D What is that cool light fixture you have on yours?
  17. K

    Pickling a Copper Boiler

    Distilled white vinegar is what I use, recommended to me by a model engineer loco builder. Guess what, it works great and is cheap! ;D
  18. K

    Steam power saw mill

    Goodness, gracious! I won't complain about the cost of lumber anymore! :o :o
  19. K

    9 x 20 lathe, tool post problem.

    Add me to the long, long list of 9x20 owners who have upgraded to a larger QCTP and have seen the light! I had my Harbor Freight QCTP kit in a box for years. Just never got around to installing it. Now that I have, I can feel as well as see the huge difference. I already had the 4-bolt...
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