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Recent content by Broncazonk

  1. Broncazonk

    Full scale reproduction WWII fighter aircraft utilizing carbon fibre composites?

    The project would entail the creation of EXACT exterior reproductions of famous WWII fighter aircraft for airshow, static display and TV/film production. Said aircraft are required to be aerobatic capable. Provisionally: all originally water cooled engine aircraft will incorporate the Allison...
  2. Broncazonk

    Full scale reproduction WWII fighter aircraft utilizing composite materials?

    Berkshire raises an important point: the exterior dimensions, curves, outline, and shape of the aircraft is set and predetermined, (with the limited possible exception of the airfoil selection.) There can be no compromise on the exterior exactness of the reproduction, a "close, but not exact...
  3. Broncazonk

    Full scale reproduction WWII fighter aircraft utilizing composite materials?

    I forgot to mention that the tooling (entire construction process) would (hopefully) be subject to continued production beyond the first five. The idea would be to sell follow up examples in kit form.
  4. Broncazonk

    Full scale reproduction WWII fighter aircraft utilizing composite materials?

    I posted the following question on the Aerodynamic forum: "Would it be possible to construct exact reproduction WWII aircraft out of composite materials? The structural weights would be much less, and the weight distribution would be dramatically different, and that would impact CG and wing...
  5. Broncazonk

    Full scale reproduction WWII fighter aircraft utilizing carbon fibre composites?

    Yep. Thunder Mustang is .75 scale (with the exception of the wing span which is .65). It's an amazing example of what can be done with carbon fiber and epoxy. Bronc
  6. Broncazonk

    Full scale reproduction WWII fighter aircraft utilizing carbon fibre composites?

    Thank you KENAT and berkshire for your responses. Mustangs and Spitfires are still fairly numerous, though the lack of Merlin engine parts is becoming a serious problem. Thunderbolts and Lightnings, and Wildcats, Hellcats and Corsairs are fairly scarce. Fying examples of German and Japanese...
  7. Broncazonk

    Full scale reproduction WWII fighter aircraft utilizing carbon fibre composites?

    Would it be possible to construct exact reproduction WWII aircraft out of composite materials? The structural weights would be much less, and the weight distribution would be dramatically different, and that would impact CG and wing placement, but could all that be worked out? When Flugwerk...
  8. Broncazonk

    +/- 45-degree unidirectional carbon fiber orrientation: Is that to the main spar or airflow?

    What is the 90° orientation actually doing in a wing? Not for tension or compression in span wise bending loads. Not for torsion. The other orientations seem pretty straight forward, but I can't visualize the purpose of the 90°. Thank you! Bronc
  9. Broncazonk

    +/- 45-degree unidirectional carbon fiber orrientation: Is that to the main spar or airflow?

    Compositepro: How could you read that post as a diss? I merely pointed out that everyone knows what "integral" means, and I asked two pertinent questions. Oh, I get it. You meant that SWComposites was patronizing me--and I pointed that out, and I wasn't supposed to do that? Is that what you...
  10. Broncazonk

    +/- 45-degree unidirectional carbon fiber orrientation: Is that to the main spar or airflow?

    SWComposites wrote, "Integral means the stringers are cured/bonded with the skin. They are multidirectional lay ups as are the skin laminates." Yeah. I think we all know what the word, "integral" means. You have direct knowledge that the stingers are laid up multidirectionally? Because a...
  11. Broncazonk

    +/- 45-degree unidirectional carbon fiber orrientation: Is that to the main spar or airflow?

    Aviation Week had an interesting article a couple months back about the cancellation of the mostly composite Bombardier Learjet 85: http://aviationweek.com/business-aviation/bombardier-learjet-85 From the article: “For the Learjet program, Belfast fabricated the upper and lower wing panels...
  12. Broncazonk

    +/- 45-degree unidirectional carbon fiber orrientation: Is that to the main spar or airflow?

    A hypothetical wing has a -/+ 5-degree trapezoidal hi-aspect cord and the main spar has a similar 5-degree taper past the landing gear attachment point. The rear spar is full length and tapered forward 5-degrees. Unidirectional carbon fiber is selected, as is a +45/-45/+45/-45 orientation. But...
  13. Broncazonk

    Lowering terminal velocity by increasing air density

    Or maybe it does, it's a nozzle isn't it? A well defined airflow goes through it directly into the cute. So, so beautiful--simple, yet wonderfully intricate and complex at the same time. Bronc
  14. Broncazonk

    Lowering terminal velocity by increasing air density

    No, I don't think so. It's responding to the tension in the lines. What happens when the velocity (relative in this case) of a fluid declines?? It's a VERY elegant design isn't it? Bronc
  15. Broncazonk

    Lowering terminal velocity by increasing air density

    Watch this video: https://www.youtube.com/watch?v=CAwET3Q9Og4 Notice the function of the ring and how it functions in the lines of the parachute. When the aircraft is at high velocity, the ring closes the parachute to prevent structural (fabric) failure. As the aircraft slows down the ring...

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