ARS Posted January 23, 2022 Share Posted January 23, 2022 36 minutes ago, K^2 said: The only situations where it's just a bad idea is if you are either trying to build a light aircraft that's controlled directly by the pilot without any stability assist, because such aircraft would be too unstable to fly safely, or if you are building something that's meant to go really, really fast, and you can't fit the canard of adequate size within the innermost... Ah I see. Thanks for the answer Quote Link to comment Share on other sites More sharing options...
SOXBLOX Posted January 24, 2022 Share Posted January 24, 2022 Does anyone remember when we saw that mirror-like coating on the F-22? Well, now it's appeared on both the (supposedly retired) F-117 and the F-35. Clearly someone at the DoD is greatly interested in this coating, whatever it does... https://www.thedrive.com/the-war-zone/43938/f-35-and-f-117-spotted-flying-with-mysterious-mirror-like-skin Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted January 24, 2022 Share Posted January 24, 2022 Why do astronauts get "space anemia"? This study has an answer. - CBS News Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 24, 2022 Share Posted January 24, 2022 (edited) 15 minutes ago, JoeSchmuckatelli said: Why do astronauts get "space anemia"? This study has an answer. - CBS News 1. This happens to those who neglects the proven classics known to every kid. Spoiler Hematogen. 2. The secondary problem they will face (or are hiding from us). Spoiler P.S. Btw about the "Surrender to the ExtraTerrestrials Initiative" SETI. What if after years of travel they need our blood to raise their blood cells? Edited January 24, 2022 by kerbiloid Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted January 24, 2022 Share Posted January 24, 2022 18 minutes ago, kerbiloid said: What if after years of travel they need our blood to raise their blood cells it all makes sense now! Quote Link to comment Share on other sites More sharing options...
DDE Posted January 25, 2022 Share Posted January 25, 2022 16 hours ago, kerbiloid said: Hematogen The West has only begun to tap the meme potential of that product. Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 25, 2022 Share Posted January 25, 2022 (edited) 10 minutes ago, DDE said: The West has only begun to tap the meme potential of that product. They had no idea, who they are messing with. P.S. Just to make it clear for those who didn't eat the blood candy in their childhood. https://ru-m-wikipedia-org.translate.goog/wiki/Гематоген?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=ru (The English wiki is poor here. Actually, it's what the Masai consume directly from the cow, blood + milk. Just with sugar. Edited January 25, 2022 by kerbiloid Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted January 25, 2022 Share Posted January 25, 2022 (edited) So... a Power Bar - except with animal proteins. Gotcha Our pasty Vegan underlords would lose their ever-loving minds Edited January 25, 2022 by JoeSchmuckatelli Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 25, 2022 Share Posted January 25, 2022 It's like the Holy Wood's True Blood, but a candy. Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted January 25, 2022 Share Posted January 25, 2022 Well - if you used horse blood and milk; it could be Mongol Crunch. Or Tartar Treat? ... Since we are on this... I had a professor, years ago, telling me that there was a phrase in Russian that described the Mongol years - and it roughly translated as 'Bloody Mud'. Any truth to this? Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 25, 2022 Share Posted January 25, 2022 1 minute ago, JoeSchmuckatelli said: I had a professor, years ago, telling me that there was a phrase in Russian that described the Mongol years - and it roughly translated as 'Bloody Mud'. Any truth to this? Never heard anything like that. The usual term is "Mongolo-Tartarian Yoke", and several ethnic words relating to "pagans" in offensive sense. *** 4 minutes ago, JoeSchmuckatelli said: Well - if you used horse blood and milk; it could be Mongol Crunch. Or Tartar Treat? The horse meat sausages are a thing, but rare now. And Hematogen was invented by a Swiss professor, so probably Swissghis Khan Crunch. Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted January 25, 2022 Share Posted January 25, 2022 Why is it the only thing I can think of now is some British guy whinging about 'The Bloody Swiss"? Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 25, 2022 Share Posted January 25, 2022 34 minutes ago, JoeSchmuckatelli said: Why is it the only thing I can think of now is some British guy whinging about 'The Bloody Swiss"? Just remember the Swiss vendetta with Landsknechts. They just cosplay peaceful bourgeois trading chocolate, clocks, and army knives. Quote Link to comment Share on other sites More sharing options...
K^2 Posted January 25, 2022 Share Posted January 25, 2022 6 hours ago, JoeSchmuckatelli said: So... a Power Bar - except with animal proteins. Gotcha Yeah. It's almost exactly like these whey protein bars. Except, instead of whey, it's albumin, and instead of cow's milk, it's made from cow's blood. It's also somewhat debated whether it actually has special benefit over aforementioned whey protein or any other source of protein. It's at least as good as these, so it still has benefits, but it might literally just be a strange power bar. "Soviet Blood Candy" has a more menacing ring to it, though. XD Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 26, 2022 Share Posted January 26, 2022 (edited) Blood contains iron. Originally the hematogen mass production started in 1920s after a decade of wars, due to the problem of mass children dystrophy and anemia, as a cheap way to replenish the iron (required for red blood cells), proteins, and calories. As the bovine blood is a cheap and mass producing waste of the meat industry, and it's rich with iron, that was the way. Once started, this good practice still continues and hopefully will. P.S. Also, it just helps to cure the natural thirst for blood. Sometimes, for a whole day. P.P.S. Probably the origin of the technology is lying in the Swiss-Mongolian traditions to make iron candies out of enemy blood. Edited January 26, 2022 by kerbiloid Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted January 26, 2022 Share Posted January 26, 2022 This is cool: https://www.cnn.com/2022/01/26/world/milky-way-strands-scn/index.html More large scale structures found in the Milky Way Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 26, 2022 Share Posted January 26, 2022 21 minutes ago, JoeSchmuckatelli said: https://www.cnn.com/2022/01/26/world/milky-way-strands-scn/index.html Flagella. The thing in the middle is catching the stars to eat them. And the galaxy arms are a whirl caused by this thing to raise the mud and make this easy. We are living at the hungry unicellular, and floating around it in a whirl. But the unicellular itself is floating towards some bigger thing's throat known as Great Attractor. Lovecraft blesses this. Quote Link to comment Share on other sites More sharing options...
ARS Posted January 27, 2022 Share Posted January 27, 2022 I wanna ask for you who lives in a country with winter season. Which one is better for navigating snowy environment? Wide off-road wheels (chains optional)? or caterpillar track with additional grousers? or heavy duty rotary screw propeller? Does it also effective on wide flat of ice terrain (not soft snow)? Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 27, 2022 Share Posted January 27, 2022 14 minutes ago, ARS said: rotary screw propeller A road and grass killer, so never became popular. *** The arctic rovers use tracks, as the contact area is greater. The snowcats as well. The rocket carriers who need to drive both across the roads and the snow use many wheels, because tracks kill the asphalt. Quote Link to comment Share on other sites More sharing options...
monophonic Posted January 27, 2022 Share Posted January 27, 2022 10 minutes ago, ARS said: I wanna ask for you who lives in a country with winter season. Which one is better for navigating snowy environment? Wide off-road wheels (chains optional)? or caterpillar track with additional grousers? or heavy duty rotary screw propeller? Does it also effective on wide flat of ice terrain (not soft snow)? Nothing beats studded tires on well maintained roads. But I get the feeling you were asking about off road travel instead. I am not a practitioner myself, but every example I see points towards tracks as the optimally balanced solution. Rubber tracked articulated vehicles can achieve decent speeds on roads without destroying the paving as a bonus. They are surprisingly common in the militaries around the arctic region. https://en.wikipedia.org/wiki/Tracked_articulated_vehicle Quote Link to comment Share on other sites More sharing options...
Hyperspace Industries Posted January 27, 2022 Share Posted January 27, 2022 (edited) What are some of the more basic rocket engines in the 50 - 100 second isp range? For those curious, I’m asking because I’ve been doing some math and that isp is about what I’d need for a project I’m thinking of. Edit: I found a table on wikipedia, apparently Helium cold gas thrusters can easily get 150 sec isp! Maybe my first design (more of an idea currently) might actually work. Edited January 27, 2022 by Hyperspace Industries Quote Link to comment Share on other sites More sharing options...
ARS Posted January 27, 2022 Share Posted January 27, 2022 @kerbiloid, @monophonic K then. Thanks for the answer Quote Link to comment Share on other sites More sharing options...
StrandedonEarth Posted January 27, 2022 Share Posted January 27, 2022 (edited) 6 hours ago, ARS said: I wanna ask for you who lives in a country with winter season. Which one is better for navigating snowy environment? Wide off-road wheels (chains optional)? or caterpillar track with additional grousers? or heavy duty rotary screw propeller? Does it also effective on wide flat of ice terrain (not soft snow)? There are some Antarctic transports that use partially inflated “monster truck” tires (probably studded) for a larger contact area. IIRC that’s best for icy slopes As for my own contribution here, I thought some people here might like to share… Edited January 27, 2022 by StrandedonEarth Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted January 27, 2022 Share Posted January 27, 2022 @ARS - The Russians have quite a few really interesting solutions - many variants of tracked vehicles, but also some with huge balloon tires. Just google Russian Off Road - ah heck, I did it for you: Russian off road snow vehicle - Google Search Lots of cool vehicles to stare at! Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted January 27, 2022 Share Posted January 27, 2022 https://www.google.com/search?q=аэросани&tbm=isch&oq=аэросани&sclient=img Quote Link to comment Share on other sites More sharing options...
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