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My vessel is fly-by-wire, meaning that the joystick controls a set of virtual thrusters which are read by GetAttitudeRotLevel( ) and then the vessel interprets this as a command and steers the main engines appropriately. The built in nav modes (killrot, prograde, etc) work, but not very well. I...

That's odd. Do you have any zero-length files in the config, config/vessels, textures, meshes folders? Is there anything obvious in orbiter.log?

1) The PDF I mentioned above has drawings of a Delta IV-style hydrogen upper stage and an EDS-style upper stage, along with the remaining payload volume. 2) Last couple lines of Steer(). I've already fixed it, next version to be published tonight I hope, but here's the code...

Does Nerva 2 actually exist? Can it not be redesigned to fit? What happened to Nerva 1? On another note. I don't know much about UCGO, just used it. It seems like it only features small packages, about 1 m^3 cube. The HLV barge I saw in that one presentation was carrying an MPLM along with...

Actually I do want to implement liquid flyback boosters at some point. We don't have to be limited to what NASA is actually going to do. Anyway, I have the specs for a nice smoke plume, so it will get in eventually. Same with SSME exhaust. Purple is great for an XR2 or something, but I like the...

You need the VC++ 2008 runtime thingie - Microsoft Visual C++ 2008 Redistributable Package

On that page there is a pdf http://www.nasa.gov/pdf/361842main_15%20-%20Augustine%20Sidemount%20Final.pdf with a nice drawing of the dynamic envelopes. I still don't like crew and cargo in the same ship (That's what a space shuttle is for) but I can implement all of these pretty easily. The...

Vandenberg launches are typically into high-inclination (near-polar) orbits. A 98deg sun-sync orbit is technically retrograde. Missile tests from Vandenberg are definitely retrograde, but suborbital. Explorer 38 RAE-A was launched into a 120deg orbit, but no obvious sign why. It was pretty...

I volunteered to do DLL-based vessels, and the first request was for a Shuttle-Derived Heavy Lift Vehicle. This is on OrbitHangar now at SideMountHLV . It's still pretty basic, but it looks and flies about like it will. Do try it out. I was thinking that maybe we would want to do some updates...

Just make sure you know what you are doing. The guys at Scaled Composites had an engine explode on them, and they were using nitrous oxide as an oxidizer (with solid fuel).

Shell can't shell a closed object. There must be at least one open face to do it. If you are using the cylinder primitive, first double-click on the cylinder and turn one or both of the end faces off. Then go to Build/Convert to mesh, because Shell doesn't work on primitives, only meshes...

UPDATE: Published at SideMountHLV The SDHLV is flying! If you launch a heavy-lift vehicle designed to take 100 tons of cargo with zero tons of cargo, you get a real hot-rod! This thing hit 12.5km/s at 10+ g's at main engine cutoff. It went that fast because it doesn't have a main engine...

I thouht one of the Apollo projects (AMSO?) connected directly to VirtualAGC and ran the 1960's guidance programs.

SideMountHLV DLL-Based Launch Vehicle Version 0.20 "Ignition Sequence Start" by Chris "kwan3217" Jeppesen and Donamy This is the beginning of a Shuttle-Derived Heavy Launch Vehicle (SDHLV) based on meshes from Donamy and code by me, featuring all my crazy ideas on how to do a launch vehicle...

Well that's embarassing. I got Asteroids! and didn't see anything labelled WeaponsMFD.DLL or anything like that, so jumped to the wrong conclusion. I can't run Orbiter from where I am now to check it. Would you mind posting code for this? I see now that you also made the UCGO-nuke. I am curious...

A few more words about VesselMass. 1) It is not an MFD, a DLL, a library, or anything like that. It is a couple of C++ files you include in your project when you make your own vessel 2) Q: Why am I attaching airfoils, thrusters, and prop resources to your objects instead of directly to the...

I keep reading about a Weapons MFD. In particular it is mentioned in the Asteroids! addon, but doesn't seem to be included in it. I've searched the web from one end to the other by every means I know. Where is it? Is it really just a cosmic conspiracy?

Welcome to the Deep Space Test Range. St. Kwan's Home for the Terminally ADD has established this site for the purpose of testing addons in their native environment. Real rocket companies have to build elaborate test stands and test ranges, and when they are done, they still don't know that...

This is something from real gas theory in chemistry. You can basically think of it as a correction factor for the speed of sound formula. Newton came up with a theory to predict the speed of sound, but it was wrong by a factor of 1.4. It turns out there is a reason for this, something to do...