Took a Sunday to piddle with one of my RC plane projects. This started about 2 years ago with an idea that lead to a 3D CAD model and finally some machining. I made a case half about 18 months ago and decided to change some stuff. So, here's the latest:
80cc nitro death! Here's the front case half being made. Only about 20 more parts to build. Someday. . .
Surface model of front, rear case halves with cylinders:
Front case:
1st op: Making the crank case:
Crankcase completed:
Onto 2nd op: Profiling the outer case. This was done in one setup with only 5 tools! A 3/4" carbide lollypop mill to rough, a 1/4" bull nose that I ground myself for finish profiling, a 1/2 em to bore the bearing register, a 45* chamfer mill to break the edge, and a 5/16" em to spot face the bolt holes.
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The one on the left is a piece I started on over a year ago. I decided not to work on the cylinders on the final piece just yet. I want to wait until I get the rear case done. I'll then assemble and machine as one piece. Much easier to get the cylinders in the proper location that way.
Just something different to do. Actually this is a sort of self taught "primer" for machining stocks and molds for stocks. Something I hope to gravitate towards later this year. Be nice not to have to wait 12 weeks anymore.
Have a great Monday germs.
C.
80cc nitro death! Here's the front case half being made. Only about 20 more parts to build. Someday. . .
Surface model of front, rear case halves with cylinders:
Front case:
1st op: Making the crank case:
Crankcase completed:
Onto 2nd op: Profiling the outer case. This was done in one setup with only 5 tools! A 3/4" carbide lollypop mill to rough, a 1/4" bull nose that I ground myself for finish profiling, a 1/2 em to bore the bearing register, a 45* chamfer mill to break the edge, and a 5/16" em to spot face the bolt holes.
/
The one on the left is a piece I started on over a year ago. I decided not to work on the cylinders on the final piece just yet. I want to wait until I get the rear case done. I'll then assemble and machine as one piece. Much easier to get the cylinders in the proper location that way.
Just something different to do. Actually this is a sort of self taught "primer" for machining stocks and molds for stocks. Something I hope to gravitate towards later this year. Be nice not to have to wait 12 weeks anymore.
Have a great Monday germs.
C.