united states

  1. Graham1973

    A US Civil War era Helicopter (aka Valomotive/Reconoiterer)

    I'm putting this here as I think this is the most appropriate place for this, if anyone thinks otherwise please move this to the correct place. Emerging Civil War: The Helicopter Designed by A Union Chief Engineer As with many pre-internal combustion designs the issue was the weight of the...
  2. Grey Havoc

    Hulk Hogan RIP

    https://variety.com/2025/tv/news/hulk-hogan-dead-wwe-wrestler-actor-1236469089/ https://www.bbc.com/news/live/cwyqq7z2z2wt https://www.bbc.com/news/articles/clyzyr4d2rzo https://www.bbc.com/news/articles/c0k7kry6pd6o https://www.bbc.com/news/videos/cq6m696lgr8o Rest In Peace. :(
  3. A

    Pressurised Fuselage for DH.104 Dove

    According to a letter in Flight (17 August 1972 issue) Riley Aeronautics looked at replacing the fuselage of the de Havilland Dove with one that could be pressurised, as part of their Riley Dove enhancement programme. The fuselages would have been made by Handley Page. Does anyone have more...
  4. Y

    Sig w/ Warren AFB debacle

    Apparently Sig messed up real bad. Hoping here that some sensible figure leverage on this to push back the whole M7 pony. View: https://x.com/tangopapadelta/status/1947760579202236679 View: https://x.com/HardPass4/status/1948153303772119374
  5. I

    (Solved) Does anyone know this M60 Tank variant?

  6. hesham

    World's Fastest Four Engine Piston Powered Aircraft: Republic's XR-12 Rainbow

    Hi, has anyone this book ?,and does it contain a projects ...
  7. Flyaway

    Lockheed "Classified Aero Program"

    Hasn’t it previously been rumoured that it’s this aircraft they keep losing money on during development. https://breakingdefense.com/2025/07/lockheed-records-1-6b-in-losses-mostly-linked-to-continued-strife-on-classified-aero-program/
  8. Michel Van

    Ozzy Osbourne 1948-2025

    Today past a Legend away Ozzy Osborne was godfather of Heavy Metal He and guys from Black Sabbath defined it sound for decades His life was rollercoaster trip to Haven and Hell and back. Ozzy drug use was same level as legendary Lemmy Killmister, both were good friends like Lemmy manage...
  9. J

    Northrop Gamma 3 series (U.S. Navy XFT-1 and XFT-2, Gamma 3A)

    The biplane fighter reached its peak during the 1930s. Czechoslovakia built the Avia B-534, Belgium the Fairey Firefly, Italy the Fiat CR.32, The Netherlands the Fokker D. XVII, France the Spad 510, England the Hawker Fury Mk. I, United States the Grumman F2F, Germany the Heinkel He 51, Japan...
  10. flateric

    Textron Innovations Inc. low observable lift fan VTOL UAV family concept (2020)

    https://patents.google.com/patent/US11072423B1/en
  11. alberchico

    Killer Train: The story behind the Deadliest rail line in America

    Ever since this railroad started operating, all you ever hear about it are the frequent accidents. This article provides a deep dive into why it became so dangerous. https://www.wlrn.org/killer-train-brightline-death-toll-surpasses-180-but-safeguards-are-still-lacking
  12. fightingirish

    Rohr Aircraft Corporation - Advanced Marine Vehicle - Pleasurecraft

    Hello folks, these photographs featuring the "Rohr Advanced Marine Vehicle "Pleasurecraft" Artist Concept" from 1974 were uploaded to the SDASM Flickr Archives today on July 17, 2025. I did a quick web search and came across the AIAA paper No. 74-300, dated February 25-27, 1974. Since these...
  13. Grey Havoc

    SL-7EXPO Project

    https://www.marinelink.com/news/society-marine-port-engineers-provides-528024
  14. E

    U.S. Secretary of Defense announces increase in drone production, deployment

    View: https://www.youtube.com/watch?v=LsYaNM8GAhw
  15. hesham

    The Story of the Atomic Airplane

    A very good site,and my dear PaulMM spoke about it before, https://whatisnuclear.com/the-story-of-the-atomic-airplane.html https://www.secretprojects.co.uk/threads/aircraft-nuclear-propulsion-program-manned-aircraft-progress-report-1956-1958-video.45325/
  16. Sferrin

    Peak carrier air wing.

    Long-range air-defense, multirole fighter, fixed-wing ASW, long range strike, AWACS, EW. . .they had it all for a while.
  17. J

    how to rebuild US shipbuilding, and prepare for future conflicts

    everyone who is a fan or enthusiast of the US Navy, keep moaning about the issues with US shipbuilding. the only reasonable way to revitalize this industry is by buying smaller vessels that can be built in smaller yards. a single basic hull form that can be mass produced, and then have...
  18. A Tentative Fleet Plan

    PERM (Precision Extended Range Munition) 120mm Guided Bomb

    Source: https://www.scribd.com/document/330469583/Mortars Source: www.miltechmag.com/2014/06/eurosatory-2014-atks-solutions-of.html Starting off with some images, mostly of the unsuccessful ATK and General Dynamics Design: Sources for the last three images...
  19. Grey Havoc

    RIP Julian McMahon

    Passed away on the 2nd of July. https://www.rte.ie/entertainment/2025/0705/1521987-fantastic-four-actor-julian-mcmahon-has-died-aged-56/ https://www.ign.com/articles/fantastic-four-and-niptuck-actor-julian-mcmahon-dies https://deadline.com/2025/07/julian-mcmahon-dead-1236449999/...
  20. R

    1975 Study On Sailing Ships for the US Merchant Marine

    In the midst of the Oil Crisis, all manner of novel ideas were brought up to reduce foreign oil reliance, especially in the fuel-hungry maritime sector. Nuclear propulsion was being considered in trade magazines, a small fleet of coal-powered bulk carriers were built in various yards, and in...
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