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Recent content by O320

  1. O320

    RAC Structures Manual

    To me RAC means Republic Aircraft Co. Dan
  2. O320

    Firefighting Aircraft - Maximum Drop Weight Limitation(?)

    One more comment like that and we will... :-)
  3. O320

    Firefighting Aircraft - Maximum Drop Weight Limitation(?)

    Hi I think the reason might be acceleration loads on other parts than wings and spars. Imagine the wing lifting an a/c whose weight is suddenly reduced by a significant amount. The wings still produce the same lift so the result will be an upward acceleration imposing great loads on engine...
  4. O320

    Parachute -forces

    Thanks for your input. Every new field you enter soon shows itself to be a science in its own right...
  5. O320

    Extreme Detonation under Odd Circumstances

    Send us some pictures!
  6. O320

    Parachute -forces

    Hi All, I'm trying to get a feel for the opening shock g-load in various parachutes. I've found NACA TN 2051 on their server, and it seems from this the jolt would be in the order of 2g. Anybody with knowledge or a literature tip out there?
  7. O320

    Tail Load and Dynamic Stability Re-visited

    Stabilitywise a canard aircraft is nothing but a normal aircraft with an extreme rearward cg,(using the fwd wing for reference) and a corresponding huge tail volume. (Main Wing) So flying in a stable manner with all surfaces lifting upwards is not impossible.
  8. O320

    Electro-Mechanical Valving

    I have seen experimental model engines on the net using solenoids to actuate the valves. I certainly seems to be a possible solution given due development. Sorry but I can't remember the web address.
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