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  1. StefanJ

    Adheisves: Estes Nike Smoke fins / PS II plastics in general

    I'm going to start builds of an Estes Nike Smoke and Argent. The directions recommend CA for the plastics, but I'm "meh" about that. Can I use acetone, applied very lightly with a brush, to bond the halves of the Nike Smoke's fins? (Maybe with epoxy or CA in the core parts.) Any...
  2. StefanJ

    Mountain Dew commercial !?

    Just saw a Mountain Dew commercial with what looks like a night time launch of a couple of dozen model rockets with sparky motors. There was a rocket-eye-view camera shot. Many different models, from the looks of it.
  3. StefanJ

    TemplateWidget strangeness

    TemplateWidget by 42nd Dimension is a wonderful little tool for printing fin alignment templates and shroud patterns. Last month, while preparing for an upgrade, I did a super-heavy scan of my computer. The malware scanner spotted the executable as a problem. I figured it was a "false...
  4. StefanJ

    Change your passwords . . . (almost) all of them!

    PUBLIC SERVICE ANNOUNCEMENT A serious flaw has been found in one of the implementations of SSL, the web communication protocol that allows a website and your browser to establish a secure communication channel. This is used by banks, web merchants, and so on. If a bank, credit card...
  5. StefanJ

    Frederik Pohl, 1919 - 2013

    Science fiction legend Frederik Pohl died this weekend. He started writing in the late 1930s, landed a job editing a Sci-Fi magazine at age 19, and had a novel published just last year. Pohl rubbed elbows with SF's legends, like Asimov, Heinlein, and Bradbuy; as an editor and publisher...
  6. StefanJ

    Beware of bogus technical support lines

    I just got off the phone with my aunt. She'd had trouble logging onto AOL. Because she'd just moved she didn't have her list of helpful numbers handy, so she searched for "aol technical support." And got a phony technical support line. A chap with an Indian accent talked her into granting...
  7. StefanJ

    TARC winners at the WH Science Fair

    Lots of cool projects by kids on display: https://www.washingtonpost.com/blogs/answer-sheet/wp/2013/04/22/obama-hosts-young-inventors-at-2013-white-house-science-fair/ Including:
  8. StefanJ

    Cloning the Primordial Aero-Darts

    JohnNGA asked me about a project I mentioned a while ago, my clones of the first two versions of the Aero-Dart, as they appeared in the 1962 and 1964 Centuri catalogs: https://www.ninfinger.org/rockets/catalogs/centuri62/62cen18.html...
  9. StefanJ

    WARNING! Be sure who you call for technical support!

    BEWARE! "Global PC Cure" is a scam outfit posing as support for various providers and computer companies DISTRIBUTE THIS WIDELY DO NOT CALL 1 888 958 7518, or ANY OTHER number from a page with "globalpccure" in the domain. My aunt had trouble with her AOL connection. She gave me what...
  10. StefanJ

    Badger

    Many years ago I decided to build a rocket that looked like an idealized toy rocket prop from a TV show. You know, a too-good-to-be-true rocket that you'd see sitting on the shelf of the tween boy of the show, which looked fabulous but that he'd never play with or refer to. I was always bitterly...
  11. StefanJ

    Teaching basic aerodynamics with a file card, ruler, and a penny

    Sometimes I write things in my head on long car trips. On the way down to Eugene, OR for the Mini Maker Faire on Saturday, I worked through a lesson plan that teaches the background to stability with a filing card, a ruler, a penny, and some tape. You can demonstrate the concept of center...
  12. StefanJ

    Eugene Mini Maker Faire

    I just found out about this yesterday: Mini Maker Faire Eugene, Oregon June 16, 2012. https://www.eugenemakerfaire.com/ Maker Faire are a blast. I'm going to try to get some kind of representation for the hobby there. A booth, a demo launch if I can swing it!
  13. StefanJ

    MSNBC scoop on the billionaire asteroid mining deal

    The rumors have been flying for a week or so. MSNBC claims a scoop on the first real details: https://cosmiclog.msnbc.msn.com/_news/2012/04/23/11339522-billionaire-backed-asteroid-mining-venture-starts-with-space-telescopes?lite Snippets: So, this is a long-term multi-step scheme...
  14. StefanJ

    Jeff Bezos claims to have found Apollo 11 booster motors

    Cool: https://blogs.scientificamerican.com/observations/2012/03/28/jeff-bezos-apollo-11-rocket-engines-lost-at-sea/
  15. StefanJ

    Hawks Hobby Super Bandit motor mount question

    I bought a Hawks Hobby Super Bandit at NARCON last year. I've finally gotten around to opening up the kit and sizing it up. It looks complete, with good components and clear instructions. The one "problem" is that is only has a 24mm motor mount. The motor mount is built to be switchable...
  16. StefanJ

    High-heat paint?

    I just finished building and trimming a "Raven," a nifty delta-winged boost glider from an old Model Rocket News plan: https://www.spacemodeling.org/JimZ/eirp_23.htm I just reread the plans to see if I needed to do anything else. I notice that they call for the area to the rear of the...
  17. StefanJ

    Blackbird

    Several years back I started out to build a big relatively light-duty mid-power demo model. I actually made two of the same model. One I painted black with "51" on the fins. It doesn't have an actual name decal but it is called the Blackbird. It is meant to commemorate the launch of a major...
  18. StefanJ

    MAKE Magazine article upcoming

    I contributed some (very short) rocket reviews to an article in the upcoming issue of MAKE Magazine, which will have a "Models" theme. I mention it here because the editor asked for some resources for model rocket builders, and plugged The Rocketry Forum. Hopefully we'll get some newbies and...
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