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  1. jsdemar

    2024 Tripoli Election of Directors

    Try it, you'll like it! ;)
  2. jsdemar

    You might be a child in the 70s if:

    I mentioned that above. It's even more obscure than rotary phone!
  3. jsdemar

    You might be a child in the 70s if:

    https://en.m.wikipedia.org/wiki/Jonestown Mass suicide by cyanide laced koolaid.
  4. jsdemar

    Anyone have any random nerdy facts?

    I didn’t know that. Do you have a reference?
  5. jsdemar

    Anyone have any random nerdy facts?

    Multiplying ones will always give you palindromic numbers.
  6. jsdemar

    You might be a child in the 70s if:

    Aye! Somewhere around 1981, I had to write a quick conversion program to read in magnetic tapes from an obsolete VLSI/CAD file format and output in a new format. I started in FORTRAN on a VAX 11/780. Then I found a compiler for this nifty new "C" language. I finished without punch cards or...
  7. jsdemar

    You might be a child in the 70s if:

    My life has been savaged by endians! 😉 I started programming in 6502 machine code without an assembler(!) in '78. The MOS Technology 6502 (used in the first Apple and Atari computers in the 70's ) is the ancient ancestor of the ARM processor. My boss at GE in the early 80's was one of the 6502...
  8. jsdemar

    New Motors Certified, April 2024 (Loki Research)

    Scott has outdone himself this time! Excellent motors, especially the cross-compatible N5500 for the CTI98-6XL case. The new nozzle is a work of art, with optimal expansion for a second stage. And, many thanks to Alan at TMT for the hard work with the motor cert tests.
  9. jsdemar

    So long Dickey, thanks for all the music...

    Long live his music!
  10. jsdemar

    MJG black powder ematch and pro cast

    Here's David's email address: [email protected] Besides ApogeeRockets, you can also order from Chris' Rocket Supplies. https://www.csrocketry.com/rocket-motors/igniter-kits.html
  11. jsdemar

    MJG black powder ematch and pro cast

    The Quickburst website is down because the hosting service went out of business after 22 years. He’s getting another provider set up now. Might take a couple days.
  12. jsdemar

    Need Cesaroni Motors

    Amwprox.com has F51 2g blue Cti 24mm reloads in stock.
  13. jsdemar

    Brush fire in Palm Bay’s ‘Compound’ was accidental, caused by rocketry enthusiasts, officials say

    This is contrary to the information we received directly from a non-KXR person who was there. I suggest the admins close this thread until the university completes the investigation.
  14. jsdemar

    Brush fire in Palm Bay’s ‘Compound’ was accidental, caused by rocketry enthusiasts, officials say

    An update from someone who was there, the motor didn’t fail.
  15. jsdemar

    Brush fire in Palm Bay’s ‘Compound’ was accidental, caused by rocketry enthusiasts, officials say

    (Unhiding OxHybrid momentarily from my ignore list...) The Tripoli Unified Safety Code applies to all static test firings at a Tripoli sanctioned launch. This includes safe distances and cleared distances. If you're not at a Tripoli launch, you are on your own insurance-wise and conforming with...
  16. jsdemar

    Hybrids 2024

    Yes, L2 required to do static firings at a TRA launch.
  17. jsdemar

    Hybrids 2024

    The research committee is getting close to making a recommendation to the TRA BOD on micro/mini hybrids. Lee Dexter of micronitrorocketry.com has done extensive design and testing for many years.
  18. jsdemar

    Anyone have any random nerdy facts?

    Rats are smarter than cows. “You are what you eat!”
  19. jsdemar

    Baltimore Bridge Collision and Collapse

    Linear actuators use DC.
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