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  1. J

    STC-PMA approved - available with or without the STC?

    The 1956 C-172 I bought has an old Delco Remy pull starter for its Continental O-300. It sometimes acts up. A search for solutions uncovered a document authored by Ron Wanttaja that helps diagnose and possibly fix problems with such starters. However, I'm leasing the plane to a flying club so I...
  2. J

    Hangar availability at KRAP?

    Anyone know of hangar space available at Rapid City airport? Currently I'm hangaring with Westjet but looking to save some money, naturally. How about at Sturgis?
  3. J

    Recommendations for Annual Inspection - Black Hills area

    The 1956 C-172 I bought in February and flew up from New Mexico had an annual in February, so it is a while before I will need another. That said, I've been told it is rarely too earlier to get scheduled in with an A&P/IA. So looking for recommendations in the Black Hills area - feel free to...
  4. J

    Added a Regional Forums category

    Ever wanted to ask for recommendations for some service from local pilots and mechanics? Or chat about some local event or concern? But you haven't established lot of personal connections or perhaps your contacts are sporadic? To help solve such problems I've created a Regional Forums category...
  5. J

    Third Starship test launch attempt

    SpaceX is going to attempt a third test launch of its Starship series of rockets tomorrow (Mar. 14, 2024) at 7:00 AM CT. Guess I'll need to set an alarm just in case, though I'm often awake by then but not always inclined to get out of bed! I suppose if I had to bet on an outcome I'd wager a...
  6. J

    The Feynman Sprinkler Problem

    Years ago I first read about Feynman's sprinkler problem in his book "Surely You're Joking, Mr. Feynman!" I was curious about the solution since his experimental apparatus failed and he didn't provide a clear answer. Anyway, I just saw this video posted to Youtube today wherein the problem is...
  7. J

    Painting a yoke?

    The yokes on the 1956 C-172 I bought could use some painting but I'm not sure how to best go about that. Am I allowed to remove them to paint them? Should I try to strip the existing paint? Prime before painting? Or just paint over what is already there?
  8. J

    Have you used a mobile phone in a small plane?

    When I pilot a plane I don't turn on airplane mode on my iPhone - I can still receive and make calls, though I've never done either (yet). On commercial flights I turn on airplane mode because they ask. Not because I think it will cause problems with aircraft systems. After all, my iPhone has a...
  9. J

    Gusty winds stop plane midair.

  10. J

    Oil screen on O-300 vs oil filter adapter

    Expect to close on the purchase of a 1956 Cessna 172 soon. It has the original Continental O-300 with an oil screen. Was thinking of installing a spin-on oil filter adapter, but not sure of all the pros and cons.
  11. J

    Question on liability of leasing a private airplane

    I plan to lease a personally owned airplane to an incorporated non-profit flying club for its exclusive use. I've been pondering what needs to be done, if anything, to limit my liability if harm is caused by the airplane while used by a club member. According to 49 U.S. Code § 44112 - Limitation...
  12. J

    B1 Bomber accident or explosion at Ellsworth AFB in SD

    According to locals posting to nextdoor.com a B1 bomber allegedly crashed while landing on the runway at Ellsworth AFB. It caught fire and the 4 crew members safely ejected. Neighbors reported sounds of explosions. None of that info is officially confirmed.
  13. J

    Practically Free Avionics

  14. J

    Single engine airplane affordability peaked around '73/'74

    Here's a bit of research I did on the affordability of single engine airplanes from 1956 to 2022. I defined an "affordability" index as the number of years of household income it would take to buy a new Cessna 172 at the introduction price for the year of purchase. The numbers used were NOT...
  15. J

    Possible microburst damages three hangars and eight aircraft

    Local story of recent storm. Belle Fourche airport pummeled by storm damages three hangers and eight aircraft
  16. J

    Inop flap indicator

    The flap indicator on our C-150 is inop, though the flaps themselves work fine. What little secondary info I could find suggests that an inop indicator makes the plane un-airworthy, while ironically if the flaps themselves were inop a simple placarding would maintain the plane's airworthiness...
  17. J

    Wikipedia science articles

    This guy captures my own observations of some of the science and technical articles in Wikipedia. It hasn't become unusable, yet, but caveat lector is essential.
  18. J

    Oppenheimer

    Three weeks ago my wife and I visited northern New Mexico. We visited Taos, Santa Fe, and Los Alamos. In the latter we visited several Manhattan Project sites and related museums. There I learned that a Hollywood movie called Oppenheimer would be coming out soon. Didn't pay much attention...
  19. J

    MOSAIC (Modernization of Special Airworthiness Certificates) NPRM Released

    Story here: https://bydanjohnson.com/mosaic-news-faa-running-ahead-of-schedule-unbelievable-proof-here-now/ It's a big deal! Edit to add that according to the copy of the NPRM on Dan Johnson's web site the actual NPRM will be published by the FAA on July 24 - during Oshkosh. The FAA will no...
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