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  1. T

    Gusseted aluminum tubing

    I'm not sure if it strictly *must* be done by a certified welder (especially when it comes to amateur built) but I was advised by a local expert who, as it happens, is a legend in the Aus. Aviation community, and suggests that if you don't know what you're doing, you're risking a lot. It's safer...
  2. T

    Gusseted aluminum tubing

    Yes, I am fast forming the view that Gusseted aluminium with rivets is a perfectly safe and age-proof method, and this is probably what I will eventually go with for reasons pointed out by many. I had a chat to my local CFI who is a licenced A&P (and has decades of experience) and he also agrees...
  3. T

    Gusseted aluminum tubing

    Aahhh! The finer points of metallurgy that elude me! I wonder how its overall strength compares to a gusseted frame or welded chromoly?
  4. T

    Gusseted aluminum tubing

    So, I notice that the Culver Props Backyard Flyer is welded aluminium. Do they actually heat-treat their frame to regain the strength?
  5. T

    Gusseted aluminum tubing

    So, is there any difference between using round tubing and square tubing? (Apart from the gusset sitting flat on the surface etc.) What is the SealPro that you mentioned? Is this purely for corrosion? What I was actually considering is something like an ultra-thin cushion (sort of like a rubber...
  6. T

    Gusseted aluminum tubing

    Thank you! Yes, I look forward to seeing this!
  7. T

    Gusseted aluminum tubing

    This is what I'm trying to determine. Most likely riveted as I don't have a welder or the skills to use it. Also, if the welding weakens the structure, then it's all for nought. If riveted gussets are sufficient and give a decent airframe life, then that works well. Also, I have the tools and...
  8. T

    Gusseted aluminum tubing

    Hi all, So, there are a few different ways of building a fuselage. Wood I hate. (We just don't get along!) Welded Chromoly is good but hard to source (down here, I'm told) and quite expensive, especially given I'd need to pay a certified welder to do the job. Riveted sheetmetal aluminum - quite...
  9. T

    Duncan's got a Flea

    Yup.. I get all that. Yes, I get that, but what I was trying to get my head around is that, if in a flea, you don't centre the controls during a turn (as in a 3-axis aircraft) what happens if you apply full deflection and hold it there? As we know, in a three axis aircraft, if you apply...
  10. T

    Duncan's got a Flea

    Question for anyone who has actually flown a flea: (This may be a silly question, so I do apologise.) How does turning work? So, given that if you have a three-axis aircraft, you use the stick, coordinated with rudder, to achieve desired angle of bank. Then, you return the stick to the centre...
  11. T

    Duncan's got a Flea

    My sentiments exactly! I asked several times "Is the objection to ailerons on a Pou simply religious, or is there a real, practical deficit (or indeed danger) to changing the design?" I concluded that no, there appears to be no real, practical deficit to adding ailerons. Anyway, we will see a...
  12. T

    Duncan's got a Flea

    Agreed. The whole spirit of this section of HBA is for those who like the idea of changing the plans.
  13. T

    Duncan's got a Flea

    Actually, that discussion has been more-or-less done to death, earlier on in this thread. Ultimately, it became a religious debate. Devotion to the Mignet design vs. Three Axis lovers. I think that this is part of the decision-making process that Duncan has incorporated into his design. His...
  14. T

    Duncan's got a Flea

    Interesting factoid - according to Wikipedia, two of the flying examples of the Croses Para-Cargo were 3 axis. Who knew? https://en.m.wikipedia.org/wiki/Croses_Para-Cargo
  15. T

    Duncan's got a Flea

    I like the wisdom from experience that you bring to the discussion, Rotax. There are many dreamers but a pragmatist is the one who makes headway.
  16. T

    Itty-bitty hangarless aircraft challenge!

    A guy at my local airfield bought himself a genuine pure-dee Cessna 140 (in exceptional condition) from the U.S for 20K. Cost him a further 20K to bring it over. Seemed like a steal until the engine screwed up and he had to replace that too. When I asked him how much it cost to replace the...
  17. T

    Itty-bitty hangarless aircraft challenge!

    Hmmmm... I wonder what the total cost of shipping such a thing down here would cost?
  18. T

    Itty-bitty hangarless aircraft challenge!

    Funny that you should mention the Tyro. There was one for sale a year ago in one of the airfields that I fly from. I sat it it. My head brushed the overhead longeron/spar meaning that I'd have to fly hunched, and if I hit something going down suddenly, I whack my head on it. I wasn't comfortable...
  19. T

    Itty-bitty hangarless aircraft challenge!

    I looked into the Teenie Too. I was told that I wouldn't fit into it. Does the Druine Turbulent have folding wings?
  20. T

    Itty-bitty hangarless aircraft challenge!

    I remember those from my Kitplanes magazines when I was a kid. If there is one floating around Australia, I'd love to see it. They look like a pretty decent aircraft.
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