☆ Yσɠƚԋσʂ ☆ to technology@hexbear.netEnglish · 1 month agoPLA fires up world’s first boron ramjet engine that can fly and swimwww.scmp.comexternal-linkmessage-square5fedilinkarrow-up170arrow-down10file-textcross-posted to: technologytechnology@lemmygrad.ml
arrow-up170arrow-down1external-linkPLA fires up world’s first boron ramjet engine that can fly and swimwww.scmp.com☆ Yσɠƚԋσʂ ☆ to technology@hexbear.netEnglish · 1 month agomessage-square5fedilinkfile-textcross-posted to: technologytechnology@lemmygrad.ml
minus-squarealcoholicornlinkfedilinkEnglisharrow-up7·1 month agoI thought Boron was a dead end because its oxide is liquid below 1,860 °C
minus-square☆ Yσɠƚԋσʂ ☆OPlinkfedilinkEnglisharrow-up7·1 month agosome more info https://www.marineinsight.com/shipping-news/china-builds-worlds-first-boron-ramjet-engine-to-launch-underwater-weapons-at-supersonic-speeds/ looks like boron reacts with water at 700-800 C so maybe they run cooler in water to avoid liquid oxide?
I thought Boron was a dead end because its oxide is liquid below 1,860 °C
some more info
https://www.marineinsight.com/shipping-news/china-builds-worlds-first-boron-ramjet-engine-to-launch-underwater-weapons-at-supersonic-speeds/
looks like boron reacts with water at 700-800 C so maybe they run cooler in water to avoid liquid oxide?