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I don't understand why russian mission control wouldn't have been able to tell it's in the wrong trajectory after the deorbit burn, or if that was OK, did some onboard computer fail that allow this to happen? This is troubling because as we near the end of the US space shuttle program, soyuz...

http://69.62.156.5/rev/orbiter2008-04-1-20-31-15-71.avi Here is a 45 minute long Hi-Def Divx Video showing yesterday's flight of the DeltaGliderIV from Kennedy Space Center to Brighton Beach in 24 hours. This will demonstrate ascent thru 100km, using Interplanetary MFD to plan the course...

This is a high-definition DivX Video file showing the DeltaGliderIV, from Launch on Earth, to Landing at Brighton Beach.  The entire mission would have taken only 24 hours to get to the moon.    This will demonstrate using Interplanetary MFD for making the voyage.  LandMFD is used for the...

Jenny. Lets build a whole fleet of Jennies.

I've changed my mind... I think we should use something completely original. Something that hasn't been thought of before... How about The Millenium Falcon?

I'm pretty sure the answer was 42... My shuttle name suggestion is "Bob P. O'Faror". Quite simply it means: beware of big peices of foam and rubber O-rings...

Just for scientific purposes, to be clear... the Throat is the narrowest point in the opening (compressing the exhaust), the nozzle is the part that expands away from the throat (expanding the exhaust). Changing the nozzle exit diameter will not majorly influence the chamber pressure (assuming...

Just completed some test runs in the simulator with data calculated from this spreadsheet. I am using an unreleased model rocket simulator I made that lets you define the motors thrust curve with a text file or in the scenario file. Notice during the burn (easier to see in the 3rd launch at...

I guess that would depend on your definition of a sphere? :cheers:

Here's specs from Richard Nakka's Spreadsheet Click below to enlarge it...

Don't worry about it Pluto, you'll always be a planet to me.

ISP was low compared to other more expensive fuels... These particular motors only had a calculated delivered ISP of 119.6 seconds. These motors only had a Pmax of 350 psi. With a casing that would withstand higher pressures, and a smaller throat, 140 seconds is attainable with red rocket...

Well... Ok not really. I'm just having some fun experimenting with home-made rocket fuel: aka Rocket Candy. Potassium Nitrate (KNO3) as Oxidizer and Sorbitol (Artificial Sweetner) as the fuel. 100% success rate on static firings of the first 4 motors. Motor casings are PVC. The throat is a flat...

Extract AutoSave.DLL to your Modules/Plugins folder and activate on the Modules Tab of the Orbiter Launch Pad.  After you've loaded a simulation, AutoSave will automagically save the current Scenario as AutoSave.scn. You can configure the amount of seconds between Saves in the AutoSave.cfg in...

v0.1a This is a tool for extracting information about objects orbiting earth.  OrbiterTLE connects to a live orbiter simulation thru the localhost loopback, or across the internet (open port 39999 for OUIPC).  Information is downloaded with regard to all vessels in a somewhat stable earth...

Tutorial (Recorded Playback with Annotations) Atlantis to ISS This is a tutorial recorded to show the basic steps involved in piloting the Shuttle Atlantis from Launch to Docking with the International Space Station. The full tutorial covers almost 4 hours of flight time, but when played...