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  1. davel

    Water/Saltwater energy storage

    Bunch of rocket scientists here, this should have a simple answer. I have a small portable freezer for the car. It can drop the internal temperature to -4°F. I do not want to have it drawing it's required 5 amps when the car is not running for obvious reasons. I have gallon jug that I can...
  2. davel

    Egyptology

    Way off topic, but should be should fit here... Why are there a bunch of Egyptologists, but no Romanologists, or Aztecologists or Mongulologists? What is sooo special about Egypt?
  3. davel

    HackSpace Mag

    HackSpace Magazine (https://hackspace.raspberrypi.org/issues) has a pretty good spread on rocketry in their November issue. Starting on page 32, https://magazines-static.raspberrypi.org/issues/full_pdfs/000/000/021/original/HackSpaceMag12.pdf?1539608601
  4. davel

    Available 'motor starters'?

    What igniters are currently available as a higher quality and reliability replacement for Estes solar igniters for use with BP clusters? In particular, anything that is reliable when wired in series? I've been inactive for a while now and haven't kept up. Dave
  5. davel

    Local news story

    https://www.elmgrovenow.com/news/rocket-boys-b9914325z1-208188931.html
  6. davel

    Plumbing question

    I know we have some plumber here.... We recently had a new bathroom sink installed in one bath, and the sink drain replaced in the other bath. In both cases, the stoppers are now captive - they were removable in the old sinks. If I ever need to use a drain cleaner, or one of those small...
  7. davel

    OpenRocket Tutorial

    A while back I remember seeing a very in-depth tutorial on the capabilities of OpenRocket. Can't find it now. Anyone else remember it and have a link?
  8. davel

    Rocketry segment on Time Warp

    What did you all think of the ROC rocketry segment on Time Warp tonight? If you missed it, it repeats at 10pm CDT. I thought they did well. I was a bit concerned when they recreated a V2 CATO, but they were careful to show it was set up as a special effect and not as a functional rocket. And...
  9. davel

    Rocketry in the news

    Local news ran a good piece about a county 4H team returning from the SLI. https://www.wisn.com/video/16034394/index.html
  10. davel

    Tube Launcher

    Just looking over some of the pictures at Narmlive, and noticed a tube launcher set up at one pad. Is this just basically a tower fully enclosed in a tube, or is there som other setup inside? Anyone have any links to sites describing these? Dave
  11. davel

    TARC Results posted

    The TARC finalists and alternates are listed at https://www.aia-aerospace.org/aianews/features/team_america/team_listing_finalist_alt_2004.cfm . Hope your teams made the cut....
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