NathanKell

Try this. Try flying SABREs or RAPIERs without KSPI. Because I have yet to be able to replicate your issue. I'll keep trying though, and apologies in advance if I'm guessing wrong.

D'oh! Quite right.

Ledenko: I'd suggest adding the transforms. Try it out ingame. If it works, great; if it bugs out, well, it'll be a great testcase for me. And you can set the ModuleRCS to justforshow for now if it doesn't and use the reaction wheel workaround until I or someone fixes ModuleRCS

You can get a good overview of the J-2 (for both S-II and S-IVB) here: http://www.astronautix.com/engines/j2.htm so you'll want key = 0 421 and key = 1 200

It's not like LDraw ever got sued, AFAIK.

Nooooo.... there is *no* reason to use jpeg: a meg or three's different on the hard disk is meaningless, and it all gets converted ingame anyway

Wait, are any of you with these RAPIER and SABRE issues running KSP Interstellar? Because if so--go bug Fractal, not a DRE issue. Sounds like it's working as designed if you try to use one of those without a precooler per.

Piwa: I'm following this with great interest! Yeah, just let me know what you need.

Fifth'd. This would be especially useful for procedural interstages, where you can't even use tricks to adjust those lenths and then lock the fairing.

There's a bug in ModuleRCS: instead of calculating the thruster force effect from the thruster transform, it calculates it from the part transform. The check-if-we-should-fire works by doing a cross product between the part center and the vessel's CoM. Since they're in line in the case where the RCS is stack-mounted (or in the root part itself)...you get unpredictable results. (One reason I'll soon be writing a replacement module)

I: Higher, Faster Part 1 US Sounding Rockets and their Wartime Roots During the Second World War, rocketry finally got the funding many in the American Rocketry Society had begged for from the government--but not in a way they had anticipated. GALCIT was a key player in Project Prometheus and nearly all research and engineering revolved around that massive project to build an intercontinental ballistic missile. For this, reliable upper-atmosphere readings were necessary, and so sounding rockets received some of the windfall of funding. Late in the war, when it was obvious that Prometheus would not be ready in time, and that a heavy bomber would be sufficient to carry nuclear bombs, sounding rockets retained considerable priority, along with continuing Navy balloon flights, since a fast, high-flying bomber would itself need high atmospheric data. While GALCIT focused primarily on Prometheus, that program, done mostly in cooperation with the Air Force, was joined with another project of the newly established Jet Propulsion Laboratory at GACLIT (JPL) --JATO. Jet Assisted Takeoff--although later jets would come to mean air-breathing jets rather than rockets, the name for both JATO and JPL stuck--was a program run in concert with the Navy to provide small disposable boosters which could be used to drastically shorten takeoff runs for carrier aircraft and increase their maximum takeoff weight, as little time for acceleration on a short deck was a limiting factor for payload (land-based aircraft could manage larger payloads with long runways to accelerate down.) The JATO project at first used Goddard's preferred liquid propulsion, but it soon proved inadequate for service needs; instead JPL turned to solid fuel rockets, which were safer and could be built and then stored for months at a time. Frank Buturović and other students, postdocs, and fellows at JPL had been testing various solid fuel combinations for use in Navy and Air Force rocket-propelled weapons, and a cluster of these rockets--in a longer, thinner form such that the burntime would be longer and peak thrust lower--would enter service as detachable boosters for Navy aircraft (and Air Force aircraft flying from unprepared strips) in the final year of the war. In the closing months of the war, with the Mighty Mouse and Fat Albert rockets and the JATO packs no longer in such high demand, Buturović mated an old Fat Albert Mk. 1 thrust section with the sounding rocket he had designed years before for his doctoral thesis, the Wren. Hitherto the Wren had reached an apogee of only about 25km--perfectly high enough for use "testing the waters" for aircraft, but still only a bit into the stratosphere. Mated to an obsolete Fat Albert Mk. 1 booster, Buturović hoped to be able to reach high into the stratosphere and perhaps determine if it merely continued up and up in a single atmospheric "bloc" until it faded away altogether, or whether there was a third layer of atmosphere, distinct from the troposphere and stratosphere, extending above the stratosphere. The Wren was a simple design, and already showing its age. Thin steel-braced aluminum skin enclosed two pressurized propellant tanks: a large tank of red fuming nitric acid (the oxidizer) in the fat cylinder at the base, and inside the conical section above that a smaller tank of aniline, the fuel. The propellants were toxic, but they at least had the merit of being hypergolic, which greatly simplified the engine. The engine, a later model of which was designated LR22, was a very simple affair: pressure-fed and needing no ignition system due to its hypergolic propellants, with a very simple bell nozzle that JPL had developed from the first, conical, efforts. The engine produced 11.53kN of thrust at sea level, rising to over 15kN as air pressure decreased. Specific impulse was 182 seconds at sea level, rising past 235s in the best vacuum JPL could create to test the engine (later testing would yield figures of 15.2kN and 240s in near-perfect vacuum). The other main components of the rocket were the nose cone, sided with heavier, thicker steel and insulation to protect the sensors from heat, and the sensor bay immediately below the nosecone. Inside were a barometer and a thermometer, and a small radio to transmit results back to the ground. This was necessary since the rocket was unrecoverable and was expected either to break apart under heat and stress on return, or crash and be destroyed. Finally, three fins were added near the rear; these would provide stability in flight and keep the rocket pointed into the airstream; beyond this, the rocket was without attitude control. Mission Control: Jet Propulsion Laboratory Vehicle: Boosted Wren Launch Site: Prometheus Project testing site, Sinclair AFB, California. Launch Date: September 12, 1944 Objective: Return readings from the upper atmosphere Intended Orbit: Suborbital Description: Launch the Wren sounding rocket on a Fat Albert Mk. 1 booster, attempt to exit the stratosphere (if there is something beyond the stratosphere), return temperature and pressure readings. Outcome: Success. Wren T-02:00:00 Engineering statistics; Boosted Wren being assembled in a hanger at Sinclair. T+0:00:00 Liftoff from Pad 3 at Sinclair. (Note scorchmarks from LR18 static fires). Since Wren is without attitude control, it lifts off at a slight angle to ensure it will not land on the pad. T+0:00:02 Fat Albert booster burnout and separation. T+0:00:03 The Wren's LR22 lights. T+0:00:06 Burning skyward. It's a beautiful day, and the ground crew expect to be able to track the rocket visually for quite a distance. T+0:00:42 Burnout, fuel exhausted. The Wren is well past the speed of sound. The California coast can be seen below. T+0:01:56 Apogee. The Wren has been returning good data, but as of its 43km apogee it looks like the stratosphere is all there is; pressure has been decreasing steadily and there has been no discontinuity since the tropopause. T+0:02:30 The Wren has stabilized in attitude for the long fall to Earth. Screaming in towards the headland. Well past the sound barrier on descent. T+0:03:40 just prior to impact. Fat Albert Fat Albert was in simple terms a large clustered solid rocket booster, and a 340kg 11in (28cm) shell, originally designed for the main armament of the Alaska class of supercruisers but surplus after they were cancelled. Since the diameter of the booster was quite a bit larger, some steel fairing bridged between the shell's 28cm width and the 50cm of the booster. Intended to give naval carrier attack aircraft standoff capability, it was to be carried in lieu of a torpedo or 2000lb bomb by torpedo and dive bombers respectively. The Mighty Mouse, with only a 400lb warhead, was sized for fighters doing suppression or light attack duty. As an air-launched weapon it was accurate out to about a mile. It was also considered for deployment as a ground-launched bunker-buster for the Marine Corps. The following is a range test of the first model of Fat Albert, the Mk1 (later marks would include larger solid rockets, nearly quadrupling the burn time and greatly extending range). Mounted for testing In flight; launched at a 45 degree angle for maximum range. Burnout. The eight clustered solid motors can be easily seen. Impact: 29 seconds from launch, 3.3km downrange, 900m apogee.

Ok. I have all the pics for my sounding rocket post but as it turns out I already wrote a novel and just described the American rocket. So I've split it up into two posts and I'll write the German one soon. So, at long last: Part 1 (!) is arriving. Also, A cookie for each reference someone gets in the post. Note that the name Wren was chosen with special care, among other things.

Realism Overhaul.

*(&^@ I still didn't answer your question about cryo tanks! Sorry. Anyway, cryo tanks *should* be: lighter for an equivalent volume of LH2/LOx (well, slightly); but *heavier* for any non-cryo mixture. (0.67 as heavy for hydrolox; 1.12 as heavy for kerolox vs a default tank)

The "questionable" support was questionable only because FAR for .23 wasn't out when DYJ released this for .23, so DYJ didn't know if Ferram had changed anything. Ferram hadn't. DYJ still hasn't edited the OP though.... :]

As it stands they're precisely half the width of the max-width liquid tank you can make, I believe. Since you start out only being able to make like a 1m tank (if that!) the solids will be very tiny. :] Sergeant's casing was only 0.8m and it was the first "big" solid, not in service until the late 50s. At that time Atlas (3m core) was also undergoing testing, and "Big Atlas" (MX-1593) with probably a 4m+ tank and four booster engines (not two) was the original plan.

From OP: "Reflective support? Reflective FAR support means that to install the FAR version you simply make sure that FAR is installed."

acc: Sorry, thought I'd answered that. Modular Fuels (if you want a stock game) or Real Fuels (if you want, err, real fuels) has always been supported by StretchySRB and will let you put anything you want in a stretchy.

Now, that's actually not unrealistic. Well, maybe not *that* ratio. But they were launching 3m (and could probably have managed much larger, if they'd accepted low performance) liquid rockets, while barely being able to make 1m solids (1959). Basically, the US invested billions into researching large solids (mainly for ICBM use) and it took til the mid 60s to get 3m solids--about the same time as the 10m S-IC core! The Russians didn't even bother that much with solids and stayed with storable hypergolics.

ChronicSilence: I'll double-check the dll I posted. I must have posted the old one in a new package, argh.

You're talking about blizzy78's toolbar. Click the little downward-pointing triangle, which will get you a menu. Choose unlock/move/whatever, drag to move, drag on the corner to resize, when done click the triangle again to lock.

Not that I know of. So it'll be a long fix. I put 4.3 back up meanwhile so people can at least have that, which fixes various *other* serious things.

I corrected the exporter. Now the catalog values will be correct *for the engine as it appears in the catalog*, i.e. at that TL and with that propellant mixture. It's a bit extra work, but eh. (The errors you were seeing, other than the sign error, were purely cosmetic; things worked once the engine was placed and RF had a chance to override EngineIgnitor's values.) Fixed Rfts_pack_v1 updated; Calcs updated. The N2O/amines thing is working as designed. It's because KSP uses a volume ratio for propellants, not a mass ratio (which, if you look in Calcs, is usually around 3.0 ox:fuel for N2O/amines). Since RF treats gases as at STP, and N2O is a gas, that means to get a mass ratio of 3.0, you need like 9999 *units* of N2O for every *unit* of Amines. Since the N2O is stored at 300bar in the tank, though, it's not such a problem: you'll still be able to fit plenty in the tank. Just use autoconfigure and try it out; it should work just fine.

Hah, sounds like I have some math errors. Fixing. The way it's supposed to work is that the ignitions available in the CFG and in the Calcs sheet are never directly given to EngineIgnitor; they're intepreted by RealFuels as specified in my previous post. EngineIgnitor will only ever get -1 (for unlimited) or >=1 (for limited), but the number >=1 may or may not depend on the engine's TL (if the number in the CFG was originally negative, then that means it's TL-dependent). I already found and fixed the sign error (you should have gotten 2 ignitions for Decurion at TL6, but I was doing - instead of + in RF). I will examine my excel sheet to see why the export to the actual module was wrong. Note that because of the way Squad wrote KSP, values given when mousing over parts in the catalog will NOT be up to date; it calls GetInfo too early for that, and never updates. The info when you mouseover a *placed* part should be correct.

Pulled until I fix that, then.