That's why they chose hypergolics for both ascent and descent stages. All you

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Jul 19, 2021
11:47:13am

Dread Pirate Westley Intervention Needed

That's why they chose hypergolics for both ascent and descent stages. All you

have to do is open the valves and the hypergolics ignite on contact - no separate ignitor necessary. Very simple and very effective design.

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Dread Pirate Westley

Bio page: Dread Pirate Westley
Joined: Aug 23, 2013
Last login: Oct 10, 2021
Total posts: 14,497 (637 FO)

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Messages

Author

Time

There were some great documentaries on the Smithsonian Channel on the Apollo missions and Apollo 11...

Coug Truly Addicted User

7/19/21 11:16am

Pretty crazy to think. All the engines were test fired to make sure they worked, except the assent stage you mentioned.

Tesla Coug

7/19/21 11:25am

. . . and 50+ years later, we are still fascinated by landing a rocket and then

BlueSage

7/19/21 11:29am

That's not an apples to apples comparison. The LEM landing stage used the

Dread Pirate Westley

7/19/21 11:44am

And soon the vehicle will all be 100% reusable. Just refuel and go, just like an airplane.

Tesla Coug

7/19/21 11:47am

That's why they chose hypergolics for both ascent and descent stages. All you

Dread Pirate Westley

7/19/21 11:47am

What's really crazy to consider is how close Apollo's 11-14 were to failure.

Dread Pirate Westley

7/19/21 11:53am

Well and had Apollo 11 landed where it originally was supposed to land...

Coug

7/19/21 12:08pm

They missed the planned landing site due to the unexpected delta-v. You're right

Dread Pirate Westley

7/19/21 12:36pm

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