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  1. J

    My Safety Concerns About Bubble Canopies

    Hi everybody, My boys and I are finally at a place where we can start a build, and this topic has been on my mind. We've been looking at Zenith 650s for a long time, and also like the Sling 2, Sonex and the RV-12. Problem is, they're ALL bubble canopy planes, and I just can't get comfortable...
  2. K

    Wanted Wanted Loehle 51 Wing Tanks or Canopy

    Hello, I have a Loehle 51. I am looking to buy a Right wing tank an even another Canopy. Anyone have one? Call Keith at (909) 815-9481
  3. F

    For Sale Cri Cri Project started

    I have a Cri Cri project started. I have full set of plans and manuals, lots of AL sheet bought for the project, many parts cut out, Klegecell material and parts made, Aft Fuse, horizontal and vertical stabilizer and other sub assemblies made and 2 canopies. The canopies are very difficult to...
  4. RobNeils

    Canopy anti-bulge

    With greater speed comes canopy bulge. Over-complicated mechanical systems using many parts to stop the bulge are completely unnecessary. The chief design problem is how to get an anti-bulge pin on the canopy to seat into the fuselage since the path of motion of a descending canopy is...
  5. M

    Canopy Stress

    Hi, does anybody know how to calculate acrylic or polycarbonate molded canopy thickness based on it's area for pressurized tandem 2 seat airplane? Pressure difference is 5psi. I'm not sure if canopy can be made from 1 piece or separate for pilot in front seat and 2nd. pilot in back seat. I...