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ar81, I don't quite like the tutorial you've posted on OrbitHangar. It's too simplistic in my view: you don't get any control over the reentry profile once the deorbit burn is performed. I prefer much more 'controllable' reentry: I frequently alter the bank angle and AOA to achieve the...

F8. The complete key reference is in the Orbiter manual.

I don't remember already. I guess the OS was about 5500m/s and Alt about 50-60 km. I cut off the engines because the SCRAM valve (don't quite remember what it was, don't have the XR1 now) was about to overheat (in the yellow zone).

Thanks Doug for nice work on the spacecraft! And on the manual too :) I've read it of course, but didn't memorize just everything. Sorry sir! My question was a bit more complicated. I did the following: 1) Open SCRAM doors 2) Switched SCRAM engines on 3) After SCRAM fuel was about to deplete...

Just a little flight report I want to share with you :) Together with some questions. I downloaded XR1 and XR5 and wanted to have a test flight, and also to test AeroBrake MFD on my way back. So, that's how my trip went. 1. Take off from KSC to the near-Moon-aligned LEO (couldn't quite...

That's right what I was thinking about. Let's move it further in time so that a mission doesn't require months of planning and precise calculations. Even in this case, the main reality problem remains: why would a space agency employ us - hobbyists instead of specially trained and experienced...

I was Orbiting quite a while ago and I've returned now, so I'm not in posession of the facts. Back in these days there was a virtual space agency, I don't remember what it was called. You signed up, flew your missions on the 'official' spacecraft and submitted the reports. Does something like...

I used a term 'relative velocity' to describe the speed vector, not the vector's length. So if relative velocity is zero the vertical (tangential, whatever) speeds coincide.

1. My difficulties were probably caused by my desire to do everything at once. I was aligning the spacecraft to the dock port and simultaneously approaching the station. When I do these things separately the fluctuations are much less and are much easier to handle. Sorry for misleading you. 2...

Thanks ar81 for clarification. I know that you can't have the same speed and different velocity with a target while orbiting. I just though that when the distance is about 100 metres it becomes insignificant: definitely not 0.01 m/s^2 speed change. I also think I should download the...

Hi everyone! When I'm trying to dock the DeltaGlider to the ISS I experience this phenomenom. I eliminate my relative speed (make it zero) using AttitudeMFD. Then the speed slowly begins to increase again. I'm not asking 'how to get rid of this?' Actually, it's more fun to dock this way. But...