Recent content by Old Koreelah

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  1. Old Koreelah

    Staples for wing rib fabric attachment?

    Malcolm I used wide aluminium pop rivets on my Jodel’s spruce ribs. First I tested three different attachment methods on a two short rib sections I had removed when installing wing tanks. Stitching worked okay, but was hard to do neatly. Small wood screws with wide washers tended to split the...
  2. Old Koreelah

    Exhaust Augmenter Design Question

    NACA did quite a bit of experimenting with exhaust augmentors in the 1940s and the documentation is easily accessed. I couldn’t understand why this great idea wasn’t widely adopted, so I installed augmentors on each side of my fuselage. They worked well, helping cooling and adding about 4% to...
  3. Old Koreelah

    MOGAS in Fiberglass Fuel Tanks

    Derakane, supplied by Fibreglass International of Brookvale, NSW, AU.
  4. Old Koreelah

    Wooden aircraft and crash safety

    I lined my Jodel’s cockpit with ply, partly for the extra strength, but mostly to reduce the chance of being impaled on slintered spruce.
  5. Old Koreelah

    MOGAS in Fiberglass Fuel Tanks

    I used Vinyl Ester resin when building the fuel tanks for my Jodel. The supplier’s chemical engineer assured me it was compatible with ethanol and all common fuel ingredients. After a dozen or more years, no problems.
  6. Old Koreelah

    Wooden aircraft and crash safety

    I’m new to this thread, so apologies if I’m repeating what someone has already mentioned. Home-builders would be hard pressed to beat low-tech fibreglass for airframe survivability. It absorbs crash impacts, protecting the occupants. Perhaps the most crash-worthy recreational aircraft is the...
  7. Old Koreelah

    Wooden aircraft and crash safety

    I lined Jodel’s cockpit with Hoop Pine plywood, partly for added strength, but mainly to reduce the chance of being impaled by splinters. Another advantage: I can rivet or screw fittings and equipment to this inner layer without going thru the skin.
  8. Old Koreelah

    Paulownia Elongata?

    Several Jodel builders, including in Europe, have used Hoop Pine. I used some very fine Hoop Pine plywood in mine.
  9. Old Koreelah

    Paulownia Elongata?

    A few decades ago some of us west of the divide in eastern Australia got all excited about Paulonia and planted lots of trees. After initial impressive growth under irrigation, reality set in; they have survived our droughts, but we’d have to wait decades more for some useful timber. Definitely...
  10. Old Koreelah

    replica's other than p-51 p-40

    Willy told me about the last stages of the war (when most ground personnel had been sent off to fight the Red Army) having to start his 109 alone before climbing to engage allied fighters so the FW-190s could get at the bombers. Working in the snow, sure would have warmed him up; the flywheel...
  11. Old Koreelah

    Seat foam

    instead of expecting the foam to conform to your butte, why not mould the seat shape to your backside? That way, during an accident, you have a firm support for the base of you spine. I sat in a gravel pile, wriggled until comfortable, lined the depression with plastic wrap, then poured...
  12. Old Koreelah

    Thoughts on an all metal Jodel D9, Falconar F10 or Druine Turbulent Derivative? For Taller pilots!

    Another advantage of the up-bend in the outer wings is the clearance in the event of a ground loop or side-slipping right down to the deck- both of which I have done.
  13. Old Koreelah

    Thoughts on an all metal Jodel D9, Falconar F10 or Druine Turbulent Derivative? For Taller pilots!

    Delemontez was probably not the first designer to say: ”add lightness”.
  14. Old Koreelah

    Thoughts on an all metal Jodel D9, Falconar F10 or Druine Turbulent Derivative? For Taller pilots!

    The Jodel Babe is robust little design, but stick to wood. I’m probable taller than you (1.92m) and fit comfortably in my D9… after extensive modifications. Laid seat back, raised turtledeck, moved firewall forward, etc. The little Jodel is now 60kg heavier than standard, but also has a much...
  15. Old Koreelah

    Trailer Design - Resources?

    Topaz there are some excellent ideas in your thread; I built my aircraft carrier to suit the aeroplane, so didn’t have the flexibility you seem to enjoy. A few things I learned: No matter how careful your design or your driving, your plane will get knocked about, especially during loading. Use...
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