nyrath
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Posts posted by nyrath
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Have you considered that with some tweaking the plugin could be used for a mass driver?
Yes. Ever since my early version of the plug-in. I tried launching an Orion with a single control cabin, loaded with 400 NM bombs. I fired one bomb, the recoil slammed the control cabin so hard it shot off like a champagne cork, developed a plasma envelope as it streaked upwards, and reached an altitude of about 92,000 meters.
I'm sure somebody will try to weaponize this.
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Now to get back ontopic, I made a few videos with Orion in, although these are from a few versions back.
Doing a re-entry at something like 250km/s, the video is in real-time. I left Kerbins SoI and then reversed the direction of my orbit around the sun, and then just used all the remaining bombs I had. Plenty of 400MN ones used for that.
And this was a lift off using the 400MN bombs. The music fitting so perfectly was accidental, I just picked it randomly off of the Youtube overdub list.
I'm just someone who spends too much time either reading Nyrath's website or poking about Wikipedia, usually after being intrigued by a concept from Atomic Rockets.
I love the site too. Not only is it interesting but also thought provoking.Agreed. I've gotten so many mod ideas from his website.Great videos hoojiwana!
I'm glad everybody likes my website. That's what it is for, to give people ideas.
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No they don't but Heat management would be nice. Though there isn't really anything in the core game which would need them.
Yes, but the point is, with mods, you will need heat radiators for nuclear power reactors in general, and Trimodal or Bimodal NTR in particular. Otherwise your reactor melts into radioactive lava.
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@nyrath have you thought about doing other mods? There are so many interesting Engines on your site and i haven't seen things like Trimodal NTR's and many others as mods for KSP yet.
Yes, I have. I'm just frustrated at how stubborn the bugs are that remain in the Orion mod.
I also need to learn how to play KSP better. I'm still a novice, I have not been to the Mun yet with a non-Orion spacecraft. Making the mod sort of side-tracked me.
A trimodal NTR would be handy, solar cells can be so clunky sometimes.
Do the stock parts include heat radiators?
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Yes, I'm tooting my own horn here. In my defense, my name is not mentioned.
A real-life atomic bomb powered spaceship recreated in Kerbal Space Program
http://www.pcgamesn.com/indie/real-life-atomic-bomb-powered-spaceship-recreated-kerbal-space-program
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Totally awesome, totally Kerbal.
And Jeb wants to know where his seat is.
Reminds me of a World War II secret weapon that was an utter failure, the "Panjandrum"
http://historiasconhistoria.es/2009/08/31/el-gran-panjandrum.php
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I'm sure there are all sorts of wild planets that can be made with mods like this.
In The Flight of the Magic Dragonfly aka Rocheworld, there was a double planet where the two planets almost touched. Gravity distorted the planets into egg shapes. They share the same atmosphere, you can fly from one to the other with an airplane. One is arid, the other is mostly ocean. Periodically they draw so close that water falls from one planet to the next.
http://library.fictionwise.com/ebooks/b4183/Rocheworld-/Robert-L-Forward-PhD/?li=4 (scroll down to diagrams)
In Larry Niven's Known Space novels, the planet Jinx is a moon of the gas giant Binary, third planet of Sirius A. The gravity makes Jinx a prolate spheroid. The ends of the planet rise out of the atmosphere, the poles are in vacuum.
http://en.wikipedia.org/wiki/Jinx_(Known_Space)
We won't talk about outrageous things like Ringworlds and Dyson spheres
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Just caught up with this after seeing Scott's Video. I'm a bit mind blown after reading 665 posts today.
I think this will save me the job of building another too damn large liquid fuel lifter to get my Station to Mun and Minmus.
Great job btw
Thanks! Let us know how your station transporter works out.
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All you young whipper-snappers! I was born about two months after Sputnik went up, so I'm a child of the Space Age.
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I docked up the crew and a lander. All I need to do now is dock the second lander and refuel the lander.
That's a gorgeous ship!
And a wet workshop! Excellent!
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I know that it would be really difficult to estimate, due to various factors, but do we have any idea what the actual Isp of the Orion is?
I saw some figures on a crude mark one, mod zero Orion having a pulse unit Isp of around 1,900 seconds. However, it is more complicated than that, because you have to add in the mass expenditure of the ablative oil spray and the mass of the non-propellant part of the pulse unit.
Using a simplistic equation I cobbled together (equating the mass of the pulse units with propellant mass flow) I figure the 3.5 MN units have an Isp of about 2,500, the 0.88 MN have 1,165; the 80 MN have 7,000; and the 400 MN have a whopping 35,000. But I'm not sure if this is how the KSP physics engine models things.
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I'm just seeing if this Sketchfab thing works
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Mentioning the up/down scale. Blender's Z/Y are switched when importing the model to unity, remember that.
Well, I found that when I imported my blender mesh into Unity, the importer automatically fixed the z/y for me. I did not have to do anything.
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So the nuclear lightbulb is far more achievable, interesting..
That is because it uses a nuclear reaction that is merely hot enough to vaporize any reactor, instead of a nuclear reaction that is actually an explosion.
I have some notes here
but if you want your data piled high and dry, download this five meg PDF.
http://ubuntuone.com/0f2lfi6amiMOcHiusFE0ss
Meanwhile on the mod front, I am still trying to figure out how to make Action Groups work.
So far the exploding interpenetrating parts have defied solution.
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Nyrath, would you say that the nuclear saltwater rocket is the propulsion method with the most potential or the closed cycle Gas core NTR?
Depends upon what you mean by "potential."
The nuclear salt water rocket has vastly more thrust and specific impulse than the closed-cycle gas-core NTR.
But while the CCGC NTR just needs lots of engineering, quite a few scientists are skeptical that the challenges of the NSWR can ever be solved.
CCGC NTR just needs to contain some fissioning uranium in quartz tubes without melting.
NSWR has to figure out how to make a pusher plate that can survive a continuously detonating nuclear explosion.
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But the thing is, once you are in space. thrust matters very little compared to ISP.
I agree with most of what you wrote, with one slight caveat.
For an Earth-Mars mission, ion drives have superior Isp, and thus better delta V. However, they have such low thrust that it takes too long to get up to speed. "Too long" here is defined as "the astronauts will exceed their lifetime cosmic radiation exposure limit before the mission is over".
None of which currently applies to KSP, of course.
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Nutt007, nice job! Let us know how the mission turns out.
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The first stage only has to get it far enough off the ground to make sure that the first pulse has enough clearance. I've seen it said many times that it is vital that you let the charge get some distance before it detonates or it could damage the pusher plate or the ship.
Also wasn't the orion originally supposed to be for traveling long distances across space? That's the point of having a propulsion method with such a high ISP, is that you can get up to a considerable percentage of the speed of light (Possibly 5% or more, I read that somewhere. That's 14,989,622.9m/s), most of the time I've heard or read about this propulsion method it's mentioned as being used for space travel, not getting heavy payloads in orbit. Now it could be used for getting payloads into orbit, but like I mentioned above, you need the initial clearance below the pusher plate in order to fire the first pulse.
True, the USAF 10 meter Orion was designed to have a bomb standoff distance of 23 meters away from the bottom of the pusher plate. But that was designed to be lofted on top of a Saturn V.
However, the original 4,000 metric ton Orion had a pusher plate diameter of 40 meters, and was designed to lift off under nuclear bomb power. No chemical booster involved. Details are sketchy about how they deal with the close range detonation of the first bomb.
Well, not to put too fine a point on it, but there are other propulsion systems that have higher Isp than the Orion. Like ion drive.
The advantages of the Orion are [1] it has a high thrust, [2] it is one of the few high thrust propulsion systems that also has a high Isp.
If you've ever tried to use the Kerbal ion drive, you can see the advantage. The ion drive uses minuscule amounts of fuel, but takes forever to get anywhere.
But propulsion systems like Orion and closed-cycle-gas-core nuclear thermal rockets excel at boosting massive payloads from the surface into orbit.
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Cant download it from the link can you put it on spaceport?
err, I did not want to put it in the spaceport until all the bugs were worked out. Send me a PM and we will figure out how to email it to you.
I was surprised how well this played with mechjeb. Only real issue is the lack of accuracy, having an binding key for shutting down the orion entirely would help as you could shift to chemicals then you was at end of burn.I almost managed to land at Minmus with an 1200 ton payload on my first try
Good job!
Gotta figure out how to make the mod work with action keys. Trouble is the variable number of types of magazines.
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ITS HERE!
He finally made it
FanTASTIC!! Excellent job!
And of course he noticed all the little questionable bits that I hoped nobody would notice. Yes, the plate movement should be sinusoidal.
For the record, the bomb megaNewton ratings are per bomb, not per second. As explained in the readme file, when the throttle is at 10% to 30% the detonations are at 1.5 second intervals, 30% to 60% are at 1 second intervals, and 60% to 100% are at 0.8 second intervals. So at 60% a 3.5 megaNewton bomb will provide 3.5 / 0.8 = 4.3 megaNewtons.
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My second attempt at the Roche challenge now with the Orion. This thing weighs 8000 tons.
HOLY HOHMANN TRANSFER!
Look at the size of that monster!
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The Destroyer, yikes! In only one day?
I see a couple of trends here. One is mounting wings on an Orion. The other is maxing out the magazine load, then putting a brick on the accelerator pedal. I've seen two examples on the forum, and one here:
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Oh, my, that does look deadly SufficientAnonymity. And the Orion drive ensures that there is no place in the Kerbal system where it can't reach you.
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@nyrath Congrats on making it onto KSP Weekly, and thanks for the mention on your siteyes thank you very much for that
Wow! I made it to the weekly. Thanks for the congrats, but you all deserve mention on my site. I could not have done all this without your help.
A little off topic, but speaking of your site, I tried to buy Thrust Vector Tactical but they've stopped making it.Rats! Nobody tells me anything. I did not know it was out of print. Sorry about that.
Orion aka "Ol' Boom-boom"
in KSP1 Mod Development
Posted
OOoooo, great find Markarian421! I agree, those legs are perfect!
My attempt was not quite as successful: