Joined March 2009
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A playlist with videos of Orbital ATK (now Northrop Grumman) Pegasus, the most successful air-launched orbital rocket and a very unique system. Old videos and some recent very detailed behind the scenes from payload and launcher integration youtube.com/playlist?list=PL…
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MechDesign.xyz retweeted
A playlist with Honda ASIMO videos (some quite rare), the groundbreaking humanoid robot by Honda Engineering #アシモ #二足歩行ロボット youtube.com/playlist?list=PL… a few screenshots below
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MechDesign.xyz retweeted
I just learned that Jiro Yamada passed away (last summer), he was only 65, my condolences to his family and friends. He was a great artist and the love for his craft really shines throughout his work. He leaves behind an astonishing amount of illustrations in his unique style
チンクチェチェント博物館の代表と館長の2人見舞って下さり、僕の著作物の今後の管理をお願いできました!
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* / B-21 Raider unveiling is about to start, this is a live comment thread watch the livestream here: dvidshub.net/webcast/30624
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New photos showing the B-21 while refueling, first time that the inlets are shown -slightly- from above. The inside of the inlets are probably edited in the photo but the overall geometry is impressive hi-res photos: af.mil/News/Article-Display/… cropped/edited image:
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New Photos Offer Interesting Look At B-21 Raider’s Speed Brake Arrangement The photos show the Raider’s outboard trailing-edge control surfaces deflected in opposite directions, suggesting a different speed-brake arrangement than the B-2’s familiar split rudders. Story: theaviationist.com/2026/06/0…
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MechDesign.xyz retweeted
Man this was a fun post: Area 51 Mystery Aircraft Prompts Interest In “Christmas Tree” Stealth Fighter Concept The exotic jet spotted near Area 51 that appears to be tied to the F-47 has prompted a look at an obscure fighter design from the 1980s. twz.com/air/area-51-mystery-…
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Boeing Wins U.S. Air Force's NGAD F-47 Fighter Contract, a replacement for F-22 (although its specs are vague for now). Boeing was very invested on this competition, prototypes have already flown (preliminary X- ones most probably) aviationweek.com/defense/air…
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So while everyone waits for the video of the A51 mystery plane, what did I write in March of last year? "There are aspects of the artwork that call to mind the work of the late Alan Wiechman, who joined McDonnell Douglas... in the mid-1980s and headed the company’s stealth work until his retirement in 2014. His work included the X-36 tailless prototype... His obituary in 2023 noted that he had ‘most recently’ been an adviser on stealth to the USAF Rapid Capabilities Office." aspistrategist.org.au/bolt-f…
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MechDesign.xyz retweeted
The biggest issue in car design is a lack of boldness. Designers (or rather, their directors) are afraid to use empty space. The first cool production Audi since forever, spoiled by a fake hitlerstache grill, it deserved a much better front end (very) rough illustration :
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MechDesign.xyz retweeted
A sticker could probably prevent these very costly incidents (and avoid risking lives). I made one in two minutes (left/right versions, see below🙃). Available to all #787 users, for free! x.com/Turbinetraveler/status…
Possible cause of a Boeing 787 nose gear collapse: here's some context from a video I recorded inside a 787 nose landing gear bay some time ago. In the footage, you can see two holes: one of them is now blacked out—the downlock link assembly apex pin bore. This modification was introduced following the British Airways 787 nose-drop incident at Heathrow in June 2021 to prevent the possibility of a locking pin being inserted into the wrong hole. The other hole is the correct location for the nose landing gear downlock pin. So, back to why nose gear might have collapsed: when carrying out nose landing gear solenoid pressurization using hydraulic power, one of Boeing's first warnings is to install the "REMOVE BEFORE FLIGHT" landing gear safety pins. These pins are designed to prevent inadvertent landing gear retraction while maintenance work is being performed. I'm not suggesting this is what happened to Lufthansa's D-ABPQ.
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MechDesign.xyz retweeted
The Hidden History of America’s Harrier Jump Jets The Harrier story is a transatlantic saga of improvisation, ambition, and unlikely partnership, which helped shape the F-35B. twz.com/air/the-hidden-histo…
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MechDesign.xyz retweeted
#NGAD F-47 render *very* similar to the official images found on Collins Aerospace website. maybe it is just speculation, or it can be hiding in plain sight (!) You can see it moving (slightly) here: youtube.com/watch?v=lDFxIbc_…
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MechDesign.xyz retweeted
F-47 has canards in both official (artistic) renders. This configuration is not less stealthy than a regular aircraft with a conventional empennage, as long as its geometry has a similar treatment. A great example is X-36 (by MDD/Boeing), a tail-less canard stealth aircraft
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MechDesign.xyz retweeted
Introducing RX-1, our experimental European robotics platform. Every step the quadruped takes is a step toward Europe’s technological sovereignty. We make it available to academic labs across Europe.
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" We will fly again before the end of this year " very good news from blue origin a ~6 months delay is profanely the best case scenario that anyone works have expected from this explosion. There will also be valuable lessons to learn there for sure
Some LC-36 updates. Now that we’ve had access to the pad and integration facility we can share a bit of good news. The propellant farm, oxygen, liquid hydrogen and LNG tanks are all in good shape. This is good luck because these are very long lead items. The water tower is also good. The big support tower is damaged, but it can be repaired in place rather than torn down and replaced. The booster “Never Tell Me The Odds” and the three GS-2s that were onsite in the integration facility also look good. I’ve seen some speculation that we might move directly to the 9x4 configuration, but we won’t do that. Rate manufacturing of 7x2 is going well, and we’re going to continue that at pace as planned and store the stages for use. In addition, we had already been working for some time on eliminating our transporter-erector in favor of an alternative vertical conop, and we’ll now go directly to that; so we don’t need a new transporter-erector. We will fly again before the end of this year. Gradatim Ferociter.
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One of the most surreal and ingenious attacks took place a year ago, Operation Spiderweb destroyed ~15 Russian Tu-95 and Tu-22M bombers (and more) with small remotely piloted FPVs that were transferred there by unsuspected Russian truck drivers read more: en.wikipedia.org/wiki/Operat…
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Notice the shockwave right after the initial explosion

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MechDesign.xyz retweeted
Sound synchronized from @NASASpaceflight footage
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Here's our video of the explosion at Launch Complex 36. It happened about 9 pm ET (0100 UTC) as Blue Origin was beginning a static fire test of its New Glenn rocket. Watch live views: youtube.com/watch?v=thfYPsRq…
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Gripen will finally fulfill its purpose, shoot down russian jets. If the timeline and procurement plan materialise it will be a new era for Ukraine and Sweden, great timing now that the next generation of European fighter jets is in flux youtu.be/6wgiiVO9aOg?is=8ObG…
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This is the first flight controller for FPV designed in Greece by ResilienceTech ( rtvp.cc ) A simple but crucial component for drone operations at scale. STM32F722 ARM Cortex-M7 and it will be produced locally. read more: linkedin.com/posts/madeingre…
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