united states

  1. Grey Havoc

    Tetrahedral Kites (Alexander Graham Bell)

    View: https://www.reddit.com/r/RetroFuturism/comments/b9pyft/1908_alexander_graham_bell_and_crew_flying_a/ https://www.scientificamerican.com/article/alexander-graham-bell-goes-and-flies-a-kite-for-science/
  2. Grey Havoc

    Former Uber security chief convicted for concealing a felony (BBC)

    https://www.bbc.com/news/technology-63157883 Intended by the U.S. authorities as a 'Pour encourager les autres' moment, it would seem.
  3. Grey Havoc

    Hanford Single-Shell Tank (SST) Integrity Project

    https://www.osti.gov/servlets/purl/1035203 https://www.osti.gov/biblio/1167084 https://www.osti.gov/servlets/purl/1167084
  4. V

    US built Lend Lease Matilda II

    Reading up on the GM 6046 diesel several years ago I was surprised to see the concept was sketched up by the British purchasing commission as a power option for a proposed US built version of the Matilda II. The very limited information I have read indicated that the US was not interested in...
  5. E

    The Tradewind magazine, February 1930 - Wright Aircraft Engines

    https://www.ebay.com/itm/334429752518?hash=item4ddd910cc6:g:7AoAAOSwPxNiYxmt
  6. Grey Havoc

    U.S. Army Armored Gun System program (early 1980s)

    https://rmsothebys.com/en/auctions/lc14/the-littlefield-collection/lots/r0083-armored-gun-system-close-combat-vehicle-light-ccvl/574444
  7. hesham

    USA Rescue & Utility Helicopter Competition of 1945

    From The Spangenberg Index, could be the US Navy was responsible about that contest,it was about Rescue and Utility Helicopter,and the tenders were; - United Helicopters (Hiller) L-3 - Kellett - Higgins H-3 - McDonnell H-3 - Fleetwing Model-52 - Sikorsky For McDonnell,it was Model-42,about...
  8. H

    Red Aviation A03 V12 diesel engine

    I came across this engine, which is used in the Celera 500L, but is also offered for other applications (I've seen a DHC Beaver and a crop duster): It's a 6.1 l V12, twin turbo diesel engine. Rated at 550 or 600 shp. View: https://www.youtube.com/watch?v=y2WZJJ5IzMU
  9. Dynoman

    Goddard's Experimental Rocket Plane of 1930 and the US Pre-War Rocket Revolution

    This is an alternative history of Goddard's historical liquid rocket launch of 1926 and the succeeding development of a fictional experimental rocket airplane based on Goddard's designs. The advent of the design and its governmental support ultimately leads to a change in the course of the US...
  10. Z

    McDonnell Douglas Mark II Batwing

    I recently visited the United States Army Aviation Museum at Fort Rucker, AL, and I came across the McDonnell Douglas Mark II Batwing. I haven't been able to find any information on this aircraft other than what was on the Museum's sign, and the only evidence of its existence on the internet is...
  11. Grey Havoc

    The Maine lake full of sunken steamboats (BBC)

    https://www.bbc.com/travel/article/20220919-the-sunken-steamboats-of-maines-moosehead-lake
  12. _Del_

    Ejection seat lawsuit

    https://www.airforcetimes.com/news/your-air-force/2022/09/13/an-f-16-pilot-died-when-his-ejection-seat-failed-was-it-counterfeit/ Lovely.
  13. P

    Kysor Frustrated Widow (aka Torpedo Plane)

    Registered as N22C in 1949 and cancelled in 1955. has anybody got any info?
  14. isayyo2

    American Response to the R-36 - Titan II Successor

    A more theoretical question than alternative history, was there any interest within SAC to develop a "Heavy" ICBM to match the R-36's capabilities? If so, could it fit within the existing Titan II launch sites? Titan II and R-36 are somewhat surprisingly similar in diameter and height, though...
  15. E

    Micron Unveils Plans For $15 Billion Chip Manufacturing Plant In Idaho

    First Ohio, and now this. Don't they realize that Idaho is known for growing potatoes? :) https://www.thestreet.com/markets/micron-unveils-plans-for-15-billion-chip-manufacturing-plant-in-idaho
  16. uk 75

    NATO Tactical Nuclear Forces

    In the late 1950s the US deployed a bewildering range of tactical nuclear weapons in Western Europe. The US Army had its spectacular 280mm atomic cannon mounted between two trucks. It then had smaller 8" warheads for the M115 howitzer which were made available to the UK and other NATO allies...
  17. overscan (PaulMM)

    Research in NASA history - a guide to the NASA history program

    https://history.nasa.gov/sp4543.pdf This document published in 2009 contains a summary of published books about NASA history and also a guide to the collections and archives found at various NASA locations. Looks potentially useful for researchers.
  18. klem

    Gibson Motor Vehicle 1915.

    Long before the Welbike, the American inventor Arthur Hugo Cecil Gibson in 1915 during the First World War, offered his motor vehicle to the American army. A 22.5 kg combat scooter that can carry a load of 136 kg at a speed of 40 km/h but was not accepted however it did not differ so much from...
  19. J

    Brewster projects

    Hai Except some drawings concerning the P-33 projects, I did not find any information concerning other Brewster projects. The only which I earlier mentioned was the two-seat fighter, further no details etc. Is there any material/information concerning this two-seat fighter and other not...
  20. flateric

    Lockheed/NASA High-Altitude Atmospheric Research Platform (HAARP)

    From late Curtis Peebles collection at SDASM Flickr collection
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