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Matuchkin

By Matuchkin
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Phineas Freak

Phineas Freak

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Yo, i heard that you like rockets...

Continuing with the Atlas theme, i present you one of the most significant LVs: the Atlas V.

This is a semi - recreation of the AV-062 mission (WorldView-4).

Pre - launch

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Lifoff

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Roll & pitch program

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MECO, Centaur separation & ignition

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Payload fairing separation & orbital insertion

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SECO

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Payload separation & Centaur CCAM

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Centaur disposal into heliocentric orbit

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Edited by Phineas Freak
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Guest

Guest

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  On 11/15/2016 at 3:41 PM, Matuchkin said:

I'm thinking you should make this more aerodynamic, using structural fairings. But this looks very nice for a sounding rocket.

I see people still reply to this! Let's keep it up.

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example of how this would be done? i know how to use structural fairings for inter-stage sections....but how would i apply them here? is the even sizing from wac motor up to the sharp pointed nose not enough?

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Epox75

Epox75

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This is by far the biggest rocket I've ever built. 30946 Tons, 81 times the mass of Epollo 4, the last manned mission I launched to the Moon. This rocket is able to bring 6 Humans in orbit on a stage with 6000 Delta-V available for the Ejection Maneuver and a one year long round trip Earth>Venus>Earth, I also plan to use it for a round trip to Mars in the future.  

On the 1st stage it has seven clusters of five F-1 Engines and 6 RSRM Solid Fuel Boosters, on the second stage a cluster of four F-1A Engines, on the third stage a cluster of five J-2 engines. The service module has life support for 1 year and more than 3500 Delta-V available for correction maneuvers and to enter in orbit once back to Earth, in order to slow down and grant a safe reentry to the astronauts. 

Here is it 1st test flight to LEO:

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Matuchkin

Matuchkin

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  On 11/16/2016 at 3:12 AM, Epox75 said:

This is by far the biggest rocket I've ever built. 30946 Tons, 81 times the mass of Epollo 4, the last manned mission I launched to the Moon. This rocket is able to bring 6 Humans in orbit on a stage with 6000 Delta-V available for the Ejection Maneuver and a one year long round trip Earth>Venus>Earth, I also plan to use it for a round trip to Mars in the future.  

On the 1st stage it has seven clusters of five F-1 Engines and 6 RSRM Solid Fuel Boosters, on the second stage a cluster of four F-1A Engines, on the third stage a cluster of five J-2 engines. The service module has life support for 1 year and more than 3500 Delta-V available for correction maneuvers and to enter in orbit once back to Earth, in order to slow down and grant a safe reentry to the astronauts. 

Here is it 1st test flight to LEO:

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When you have a rocket that's half the weight of a Nimitz class aircraft carrier, then... What the heck, I don't even know what to say. I'll just answer with average forum replies.

Nice rocket!

I love that thing!

It's so big! :0.0:

Cool build!

I like the design of ________!

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Epox75

Epox75

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Posted (edited)
  On 11/17/2016 at 1:47 PM, Matuchkin said:

When you have a rocket that's half the weight of a Nimitz class aircraft carrier, then... What the heck, I don't even know what to say. I'll just answer with average forum replies.

Nice rocket!

I love that thing!

It's so big! :0.0:

Cool build!

I like the design of ________!

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Thanks! And it worked too! Here's some screenshot from the mission:

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Edited by Epox75
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Guest

Guest

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  On 11/15/2016 at 3:09 AM, Aazard said:

my first attempt at making a "real" blueprint, technically this isnt an exact replica but to me trying to squeeze everything i can out of a Tiny Tim boosted WAC Corporal, built with starting parts in RP-0 career, that i can still fully recover:

27aJYnt.png

Can this be improved even more, with starting parts in RP-0 career... without parts burning up/breaking off and fitting inside test flights time limits, still allowing full recovery? please suggest/improve if possible... maybe body/nose shaping ... i'm stuck at this point.

 

edit: maybe fueling the winglets/fins and trimming body tank abit could save a few Kg's?

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fueling winglets as fuselage "tank" type and shrinking body to get burn time to testflight rated times, then re-applying real chutes settings to the resulting new dry mass has resulted in about 1250 meter gain in AP (183,000 meters+), i believe this to be the best possible unless barometer & thermometer are removed (to save 10kg) and then re-applying real chutes settings again, this might get it over 200,000+ meters AP (i will test this configuration soon)

 

edit: i may also try moving winglets to tiny tim stage to save more final mass, but i am unsure if the rocket will get the required spin to stay stable in aprox 0.7 sec of flight time with them... but as it stands not bad for a rocket that is priced at $74 in RP-0 career

Edited by Guest
winglet idea
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MaxL_1023

MaxL_1023

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The game couldn't really handle this one on the pad, but here's what I got into orbit:

Neptune%20Mission%20-%20Earth%20Orbit_zp

It's a Triton orbiter/lander probe with a bunch of science stuff onboard. I decided to do a single, direct launch because I have no idea how to actually calculate Jupiter gravity assists. Also, Jebediah was on the design board. 

The first stage was 56 (I think, more than 40 for sure just due to TWR issues) RD-170s from the energia stack. The second stage has 435 m/s of delta-V left and had 40 SSMEs. The next two were Hydrolox (12 and 3 J2-X respectively I believe) with the last two using hypergolics. 

I did make it onto triton, but I needed almost all of my Delta-V. 

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Matuchkin

Matuchkin

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  On 11/20/2016 at 4:01 AM, MaxL_1023 said:

It's a Triton orbiter/lander probe with a bunch of science stuff onboard. I decided to do a single, direct launch because I have no idea how to actually calculate Jupiter gravity assists. Also, Jebediah was on the design board. 

The first stage was 56 (I think, more than 40 for sure just due to TWR issues) RD-170s from the energia stack. The second stage has 435 m/s of delta-V left and had 40 SSMEs. The next two were Hydrolox (12 and 3 J2-X respectively I believe) with the last two using hypergolics. 

I did make it onto triton, but I needed almost all of my Delta-V. 

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What the heck, is this the full ship or just the orbiting stage? Because if it's the latter I will be really amused.

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MaxL_1023

MaxL_1023

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  On 11/20/2016 at 7:19 PM, Matuchkin said:

What the heck, is this the full ship or just the orbiting stage? Because if it's the latter I will be really amused.

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The screenshot is what made it to orbit - there was a first stage which I dropped on the way up. That one was the 6 radial cores with a excrements-ton of energia engines, each core slightly smaller in diameter than the center stage. I didn't have hangar extender at the time so I literally could not fit any more in the VAB - most of the rocket was above the roof with the boosters taking up essentially the entire screen. 

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Matuchkin

Matuchkin

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  On 11/20/2016 at 7:31 PM, MaxL_1023 said:

The screenshot is what made it to orbit - there was a first stage which I dropped on the way up. That one was the 6 radial cores with a excrements-ton of energia engines, each core slightly smaller in diameter than the center stage. I didn't have hangar extender at the time so I literally could not fit any more in the VAB - most of the rocket was above the roof with the boosters taking up essentially the entire screen. 

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How many tons does the whole rocket weigh?

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MaxL_1023

MaxL_1023

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  On 11/20/2016 at 8:35 PM, Matuchkin said:

How many tons does the whole rocket weigh?

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I don't remember - I am using a different modset so I can't check. If I did have 56 Energia engines (there might have been 8 radial cores looking at the screenshot, so 6 with a center engine each)) I would be looking at roughly 9 MN per engine at liftoff, or 504 MN in total. That would correspond to about 40,000 tons using my usual launch TWR in RSS of 1.25 for large rockets. 

The second stage started with a TWR near one, so with 40 SSMEs that would be about 10,000 tons. The rocket must have been 40,000 tons then, since I usually go by a roughly 4-1 thrust ratio rule at minimum for lower stage transitions. 

Edited by MaxL_1023
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Guest

Guest

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^ Craft File

 

After playing with setup i finally got it to a 200km+ rated sounding rocket. Switched nose to a "straight" cone, burn time until mechjeb, not KER, saw it as a 50 sec burn time and fuled and inset winglets to the body to help with heating issues and fueled them. Finally i set the chutes to 10m/s touchdown, 7000m pre-deploy, 1000m full deploy. This is as good as i can get it. Payloud remains the sounding rocket core, a thermometer and barometer.

 

cost is now $69 without clamps, $89 with clamps

AFTER THOUGHT: moving payload to bottom above the WAC aerobee engine, kepping parachute between the body tank and nose cone tank. may help it land tail 1st... currently it lands on its nose and does a "break dance" spin (forever)

In VAB

hmOMtTr.png

On Launchpad

znSNiO5.png

In Space showing final AP

xPFIAje.png

Edited by Guest
added cost & after thought note
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