well.... readouts aside, i've tuned the flight model even further now... :hmm:
i increased the rotational drag parameters to impossible values in order to simulate Fly-By-Wire stabilization... perhaps i even overdid it a notch.... it holds it's attitude now like it's on rails.... i'm clearly not done
i also reduced the ship's empty weight in order to add an oxidizer tank for orbital maneuvers... i also tuned the lift parameters a bit, so she takes off more naturally... then lowered the engine's thrust output to compensate so that it doesn't feel like a carrier takeoff
it's coming along nicely... i'm almost happy with how it handles now :thumbup:
---------- Post added 08-09-10 at 12:33 AM ---------- Previous post was 08-08-10 at 11:08 AM ----------
very much minor update.....
still tuning flight dynamics - but it's looking better and better....
it feels a lot more solid now that it doesn't wobble throughout the whole flight... fly-by-wire guidance would make this possible, even with the uncontrollably unstable nature of the G42's geometry....
in order to illustrate this, i've added a smooth noise function to the control surfaces, so even if you hold the stick steady you'll still see them move a bit, as the "flight computer" constantly makes small corrections to keep you under control :thumbup:
and now, the oxidizer/propellant setup is complete - you can take it up all the way into orbit, but doing so in a way that leaves any usable amount of fuel in the tanks is almost an art-form :lol:
another very much noticeable issue, which must be considered during ascent in order to achieve maximum fuel efficiency, is the point where to switch to internal oxidizer...
this last engine mode transition, has an implication which distigueshes it's proceedure from the previous transition - it's crucial that it is done at a specific propellant level, so that no fuel or oxidizer is wasted :blink:
when on "internal" mode, the main engines will drain ~1.5 units of oxidizer for every 1 unit of propellant, if either one ends, the engines will stop :huh:
i intend to add a mark on the main fuel gauge, indicating the point where propellant and oxidizer are balanced - the crew warning system should also alert to this event as it approaches
if one fails to make the final engine transition at this precise point, then either propelland or oxidizer will need to be vented in order to relief the vessel of the dead weight that such disproportion represents :facepalm: and we don't want THAT... :lol:
also, i think i'll add a "turbo-RCS" mode, a special hookup that uses an APU-powered high-pressure pump to feed small nozzles - yet larger than the regular RCS vents - so that the monopropellant RCS fuel can be used for larger dV burns
do mind however, this is the same fuel used to run the APU - and you CAN'T crossfeed it from the main tanks, as you can in the XR1, since they are completely different chemicals.... so do not abuse this
this way, you can still maneuver effectively after the ascent tanks are dry :thumbup: - kinda like the shuttle, no?
