Search results for query: Ursa Major

...The contract announcements for new Mk 104 motor designs seems aimed mainly at qualifying new ways of manufacturing something equivalent to the existing motor (e.g. Ursa Major, X-Bow Systems, and Aerojet Rocketdyne all doing additive manufacturing for energetics).

Suchomimus has just put out a video about this sinking: It turns out from the above video it has sunk in 8,200ft of water. IMO the Spanish navy needs to send suitable ROVs down to the wreck ASAP to investigate whether or not it was carrying two VM-4SG Nuclear Pressurized Water Reactor...

...turbopump?) , 1.5t thrust Landspace is also currently working on a methalox one for a future launcher, first hot fire planned in 2025; Ursa Major (Arroway) and The Exploration Company/CNES (Typhoon) are also working on one; so are Pangea Aerospace (Franco-Spanish) under ESA contract, Also...

I wouldn’t assume an 8,200 m/s delta-v for Ursa Major’s Hadley engine, especially if they advertise GEO on their website next to the engine. Seasoned folks are saying it will be the highest performing engine in its class. The 9,300 m/s requirement is for rockets launched from a pad, right...

https://www.flightglobal.com/news/articles/usaf-designates-golauncher1-hypersonic-research-rock-452476/

Sierra Space Appoints Dan Jablonsky as Chief Executive Officer [Feb. 26]

Not saying it's aliens: SETI survey reveals unexplained pulses from distant stars … … … https://phys.org/news/2025-05-aliens-seti-survey-reveals-unexplained.html Related paper: https://www.sciencedirect.com/science/article/pii/S0094576525002449?via%3Dihub Related video: View...

...of Arizona. [Firts picture here] This image mosaic was created by pointing the telescope at a bright, isolated star in the constellation Ursa Major known as HD 84406. This star was chosen specifically because it is easily identifiable and not crowded by other stars of similar brightness...

As I wrote '' ... to make some comments and analysis. '' It was not mistake in transl but maybe ( and obviously ) in one 0 ? So we have 210-230kg/sec ??? Old AL-31F has 110-120 kg/sec ,AL-41F-1/F-1S ??? This was the original article : Новый двигатель с плазменной системой зажигания для...

I appreciate this is deviating further from the original discussion… Just to add a bit more ‘fun’ to the ships naming, the following is an amalgamation of two articles about the Ships Naming Committee and WW2 warship names… I think the sources were articles in Warship World magazine and Ships...