The abraded silver wire sparked the cabin-did they make it in time?
カートのアイテムが多すぎます
ご購入は五十タイトルがカートに入っている場合のみです。
カートに追加できませんでした。
しばらく経ってから再度お試しください。
ウィッシュリストに追加できませんでした。
しばらく経ってから再度お試しください。
ほしい物リストの削除に失敗しました。
しばらく経ってから再度お試しください。
ポッドキャストのフォローに失敗しました
ポッドキャストのフォロー解除に失敗しました
The abraded silver wire sparked the cabin-did they make it in time?
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The abraded silver wire sparked the cabin-did they make it in time?
In this episode, we walk through the timeline and technical details of the January 27, 1967 plugs-out test that turned into a fatal cabin fire. We lay out the hardware, the decisions, and the moments that led up to the rupture to ask whether known risks were given enough weight.
Date: January 27, 1967
Event: plugs-out test (no fuel, pyrotechnics disabled)
Location: Command Module 012, Launch Complex 34
People: Gus Grissom, Ed White, Roger Chaffee
Manufacturer: North American Aviation
- The command module arrived with a conditional airworthiness certificate listing 113 incomplete engineering changes and later accrued 623 more change orders.
- The cabin used a pure oxygen atmosphere pressurized to roughly 16.7 psi, a carryover practice from Mercury and Gemini.
- Crewmember Gus Grissom repeatedly warned about flammable materials, even hanging a lemon in the simulator as a complaint and confronting program management.
- Inside the lower-left cabin floor, a silver-plated copper wire with abraded Teflon insulation ran near a glycol coolant line that had a history of leaks.
- The plugs-out test had been running over five hours with intermittent communications when a voltage spike crossed the damaged wire and the wall ruptured seconds later.
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