Sea Dragon launch featured in 'For All Mankind'

[DDE]

 

[Brotoro]

That one floats quite a bit lower in the water than a Sea Dragon should.

[Guest]

take that fish!

[kerbiloid]

Looks like in cartoons, when a character is fishing from a small rock, then it appears to be a giant whale.

Sea Dragon was cryo, why the plume looks like SRB?

[DDE]

29 minutes ago, kerbiloid said:

Sea Dragon was cryo, why the plume looks like SRB?

You can't win it all with hard science in movies.

[kerbiloid]

2 minutes ago, DDE said:

You can't win it all with hard science in movies.

This plume hurts my aesthetic feelings trained by KSP and RealPlume mod.

[MinimumSky5]

The first stage engine of the Sea Dragon was very much a Big Dumb Booster engine, so it may have that much particulates in it.

But seriously guys, stop nitpicking about the plume, that's an awesome clip!

[mikegarrison]

8 hours ago, MinimumSky5 said:

The first stage engine of the Sea Dragon was very much a Big Dumb Booster engine, so it may have that much particulates in it.

Well, it never existed. But since it was designed to be hydrolox, there really isn't any place for particulate smoke to come from. Lot of steam, though.

Edited December 23, 2019 by mikegarrison

[Brotoro]

The first stage of the Sea Dragon was planned to use RP-1 and LOX. The upper stage was to use Hydrogen and LOX.

[kerbiloid]

RP-1 pressurized by methane.

_{(I need to add this just to look as wise as others, don't pay attention.)}

[mikegarrison]

I thought the plan was to make all the fuel out of seawater. But if it was kerosene, then yeah, OK.

[tater]

17 hours ago, MinimumSky5 said:

The first stage engine of the Sea Dragon was very much a Big Dumb Booster engine, so it may have that much particulates in it.

But seriously guys, stop nitpicking about the plume, that's an awesome clip!

It's a solid plume, not even a dirty, F-1 RP-1 plume. All the CGI people had to do was show up in any rocket community on the net, post a pic of their WIP, and inside 5 seconds they would have people linking what it should look like.

[Brotoro]

8 hours ago, kerbiloid said:

RP-1 pressurized by methane.

_{(I need to add this just to look as wise as others, don't pay attention.)}

I have Learned a Thing.

[mattinoz]

So what do you think the reference to it carrying plutonium in the audio just before launch?

[Brotoro]

Jamestown needs a nuclear reactor...

...but I would send Uranium for that.

[kerbiloid]

They are probably trying to warm the Moon with that amount.

Though, if it fails, they will warm the Earth.

Edited December 25, 2019 by kerbiloid

[RuBisCO]

About the plume:

The first stage in the '62 conceptualized design was pressure fed Kero/LOX that likely would be inefficient and produce a lot of particulate, also in this alternate universe it is quite possible they design it to be solid fueled first stage instead.  

Plutonium: 

Perhaps for something else nuclear powered or atomic bomb powered  

Mixed U235/Pu239 reactors or fast neutron Pu239/U238 could also be a possibility, and of course Pu238 for RTG power, but considering the shows bent for the grand I've got my fingers crossed to see a manned Orion! 

Edited December 25, 2019 by RuBisCO

[Nuke]

On 12/22/2019 at 9:15 PM, Dale Christopher said:

take that fish!

thats where you can go out in your boat after the launch and get free snacks. 

[sevenperforce]

The verniers would not have stopped firing after breach. Both main engines were to be fixed, without gimbal, so differential throttling on the verniers was necessary for pitch and yaw control.

[RuBisCO]

So that 350 MN liquid nitrogen cooled and nitrogen pressure fed engine simply nothing could compare at least in raw thrust! It would take 50 F1A engines to match that and less tnen 40 could be sqeeze under the 23 m diameter sea dragon so F1A engines simply would not do. A solid rocket much bigger then the biggest at the time (AJ-260-2, 6.6 m wide 17.7 MN, never launched but ground tested once) could have fit under 23 meter and match or exceeded 350 MN, but would be fueled on land and have to be floated out there, which being much denser then kerosene/lox (which would be fuel up at sea to help the rocket reach vertical orientation) would make floating the thing out to sea impossible. 

 

[kerbiloid]

10 hours ago, RuBisCO said:

350 MN liquid nitrogen cooled and nitrogen pressure fed engine simply nothing could compare at least in raw thrust! It would take 50 F1A engines to match that and less tnen 40 could be sqeeze under the 23 m diameter sea dragon

If it's about Sea Dragon, in 1963 it's 1st stage "was" methane pressure fed (https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19880069339.pdf, page Ii-A-4).

[RuBisCO]

10 hours ago, kerbiloid said:

If it's about Sea Dragon, in 1963 it's 1st stage "was" methane pressure fed (https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19880069339.pdf, page Ii-A-4).

Well I was reading the wiki, which is clearly inaccurate. I should have know that because ~15 years ago I made BS articles on Wikipedia and some of them are still up there!

Edited January 7, 2020 by RuBisCO

[RuBisCO]

So far in my experiments to mimic a sea dragon I have found it is very easy to get a rocket to launch bobbing at sea... the problem is how to get it out at sea to begin with.

https://kerbalx.com/RuBisCO/Sea-Monstruo

[kerbiloid]

(Just in case)

 

[RuBisCO]

5 hours ago, kerbiloid said:

(Just in case)

 

Yeah but how do we get it out to sea?