Search found 409 matches

by Pdf27
Thu Feb 12, 2026 7:16 am
Forum: The Bar
Topic: Superbowl halftime show
Replies: 20
Views: 366

Re: Superbowl halftime show

I ended up watching the first couple minutes of the show, realized it wasn't my kind of music, and went and took a nap. I've not liked a halftime show for a decade or so. Do you by any chance find yourself saying that policemen are younger these days? :lol: And now for a truly Superb Owl: https://u...
by Pdf27
Wed Feb 04, 2026 7:17 am
Forum: The Media Center
Topic: On This Day … 1776 Aronofski AI generated film
Replies: 4
Views: 122

Re: On This Day … 1776 Aronofski AI generated film

MikeKozlowski wrote: Tue Feb 03, 2026 10:57 pm
King George’s hair looks like someone melted down and hardened a plastic badger.
That right there is a keeper.

Mike
Can you think of a better description?
image_2026-02-04_071752365.png
by Pdf27
Sun Feb 01, 2026 8:27 am
Forum: History and Warfare
Topic: US Navy News
Replies: 387
Views: 152883

Re: US Navy News

We need more tenders and other assorted ships to enable ships in forward operating areas can be maintained and refurbished in said forward operating areas, just as we did in WWII. Particularly as host nation basing is going to get a lot more unavailable over the coming 3 years, based on the past ye...
by Pdf27
Sun Jan 18, 2026 5:54 pm
Forum: Space and Technology
Topic: Pondering an approach to nuclear submarines for Sweden
Replies: 8
Views: 483

Re: Pondering an approach to nuclear submarines for Sweden

The issue is that civil reactors just accept that 135-Xe poisoning is a thing and live with the time constant (France for instance manages this with vast amounts of hydropower). Nuclear submarine reactors can't accept that, so they're designed from the start with much more neutron flux available. Us...
by Pdf27
Sun Jan 18, 2026 4:02 pm
Forum: Space and Technology
Topic: Pondering an approach to nuclear submarines for Sweden
Replies: 8
Views: 483

Re: Pondering an approach to nuclear submarines for Sweden

Lots. That sounds very big for a submarine reactor, and it will have serious issues with 135-Xe poisoning when changing power. Silencing the rest of the plant is non-trivial, and the benefits of a nuclear plant in the Baltic are very minimal.
by Pdf27
Wed Jan 14, 2026 2:14 pm
Forum: Space and Technology
Topic: Solid state battery hits the market
Replies: 26
Views: 2214

Re: Solid state battery hits the market

Be interesting if so, my understanding is that weight doesn’t scale well at all for supercaps. Correct, in the same way that the number of charges without loss in capacity and power density don't scale well with batteries. There's two options here: Everything is as reported and this small start-up ...
by Pdf27
Wed Jan 14, 2026 10:44 am
Forum: Space and Technology
Topic: Solid state battery hits the market
Replies: 26
Views: 2214

Re: Solid state battery hits the market

Thanks Paul. So we’re talking essentially REEV aircraft with IFEP architecture? Varies by range: Short hops - up to 1h / 100 miles - battery only (BEV). Longer hops - up to 3h/250 miles (diversion requirements are very restrictive hence the mismatch between endurance and range, and smaller aircraft...
by Pdf27
Wed Jan 14, 2026 9:32 am
Forum: Space and Technology
Topic: Solid state battery hits the market
Replies: 26
Views: 2214

Re: Solid state battery hits the market

More suggesting it's actually a supercapacitor: Here is everything we currently know about the Donut Lab solid state battery! The claims for their cells include: ~100,000 charge cycles Potentially ~50 million miles of use (!?!) 400 Wh/kg 5 minute charge time (~12C) Here is what I saw at CES: Display...
by Pdf27
Wed Jan 14, 2026 8:55 am
Forum: Space and Technology
Topic: Solid state battery hits the market
Replies: 26
Views: 2214

Re: Solid state battery hits the market

No I'm not talking about little planes, I mean 500km+ transport for 100s of PAX. Yes, I mean ask him! That’s the end goal, he isn’t working on general aviation from what I recall. Sorry, missed this - haven't been on here much recently because the ICE debate is just getting too depressing. At the m...
by Pdf27
Wed Jan 14, 2026 8:42 am
Forum: Space and Technology
Topic: Solid state battery hits the market
Replies: 26
Views: 2214

Re: Solid state battery hits the market

Seems relevant... Yesterday, I wrote a very brief LinkedIn post about solid state batteries (SSB). I expressed significant doubts that a small, unnamed Finnish startup could develop SSB with such parameters: 400 Wh/kg Full charge in five minutes Designed for 100,000 cycles Lower cost than lithium-io...
by Pdf27
Mon Jan 05, 2026 2:53 pm
Forum: The Bar
Topic: Seen on TwiX.....
Replies: 5
Views: 192

Re: Seen on TwiX.....

Ehhhh.... The Monroe Doctrine was instituted to keep OTHER countries from making new colonies. Says nothing about the US forming new colonies. Effectively, "STAY OUT, EUROPEANS!" That being said, I don't want anything to do with trying to run Venezuela. Nation building might work better i...
by Pdf27
Sat Jan 03, 2026 10:33 pm
Forum: The Bar
Topic: Seen on TwiX.....
Replies: 5
Views: 192

Re: Seen on TwiX.....

Uh? The occasion has been judged proper for asserting, as a principle in which the rights and interests of the United States are involved, that the American continents, by the free and independent condition which they have assumed and maintain, are henceforth not to be considered as subjects for fut...
by Pdf27
Wed Dec 24, 2025 6:56 pm
Forum: Space and Technology
Topic: 3D Printing Sends Broken F-15 Back to Action Within Hours
Replies: 7
Views: 411

Re: 3D Printing Sends Broken F-15 Back to Action Within Hours

How the hell did they get THAT approved for use on an aircraft? Do the airliner standards not apply to military aircraft? Don't they have standards of their own? I'd like some of the chaps who do stuff with airplanes to chime in on this please. So it's for a cooling duct. If - as I suspect - that's...
by Pdf27
Tue Dec 16, 2025 7:23 am
Forum: The Bar
Topic: Jokes
Replies: 232
Views: 144958

Re: Jokes

Image
by Pdf27
Thu Dec 11, 2025 7:31 am
Forum: Space and Technology
Topic: Additive manufacturing starting to get interesting
Replies: 2
Views: 276

Re: Additive manufacturing starting to get interesting

The question is whether we can economically maintain said capacity in peacetime such that we don’t have to reinvent it in wartime. That's SAAB taking advantage of a capacity existing in the civilian economy. Divergent has grown out of the automotive sector, aerospace is just an exploitation opportu...
by Pdf27
Tue Nov 25, 2025 5:33 pm
Forum: History and Warfare
Topic: Thoughts on the Embraer C-390 Millennium tactical airlifter
Replies: 11
Views: 871

Re: Thoughts on the Embraer C-390 Millennium tactical airlifter

How does the C-390 compare to the Airbus turbo-prop tac-lift whatsit ? They're a different class of aircraft - the A400M is a LOT bigger, think of it as the difference between narrowbody and widebody commercial jets. https://upload.wikimedia.org/wikipedia/commons/9/9b/Size_comparison_military_trans...
by Pdf27
Fri Nov 07, 2025 8:39 am
Forum: Space and Technology
Topic: China gets thorium molten salt reactor working
Replies: 2
Views: 664

Re: China gets thorium molten salt reactor working

Interesting point about an MSR is that it offers a route to the permanent destruction of high-level waste. The really hot stuff can be managed by hold-up and decay, while the very long-term stuff isn't terribly risky. It's the stuff that is dangerous for a few centuries that is a real pain, and it's...
by Pdf27
Thu Nov 06, 2025 1:25 pm
Forum: The Bar
Topic: Why an Australian landed an American registered plane with a big Russian Red Star in the middle of Ukraine
Replies: 2
Views: 843

Re: Why an Australian landed an American registered plane with a big Russian Red Star in the middle of Ukraine

Photos have emerged of the actual landing - good field selection there, I've carried people out of far worse! https://scontent-lhr8-2.xx.fbcdn.net/v/t39.30808-6/572844629_10161806580692621_7485786747125384031_n.jpg?_nc_cat=106&ccb=1-7&_nc_sid=aa7b47&_nc_ohc=BKfKODkh2NwQ7kNvwHJw8al&_n...
by Pdf27
Thu Oct 16, 2025 5:49 am
Forum: Space and Technology
Topic: Did Kyle Hill get his hands on a piecutter?
Replies: 2
Views: 1110

Re: Did Kyle Hill get his hands on a piecutter?

Video here: https://youtu.be/C06yW0232Bc?si=yIflx9Ni44-1MMmd It sounds a lot like how Stuart described the piecutters, though apparently this one isn’t classified. It also doesn’t do what say the nukecalculators do, which is map out damage from a specific radius. But it does sound a lot like how St...