@Inzane
Ok i tryed to make the Rocketengine myself, to conect it with Skylon permanent, but u r right, UCD works only with one Spacecraft3-Vessel, the other has to be in DLL, like in the case of Starclipper68. I wrote for both, Skylon_Sabre and Skylon_Rocketengine an extra Vessel-Class-File, so its easy to add them via scenario-editor. But when you delete the Attachment points from the Engine-Vessel, it works, but the engine Thrust vector goes 90° down, like a Hover engine :lol:. And as i restarted orbiter, the engine was gone to space alone, no longer conected. I keep working on this problem, i think we have to write new attachment points for the 2nd vessel.
---------- Post added at 07:46 PM ---------- Previous post was at 07:08 PM ----------
Ok i gave both vessels new/extra attachment ponts, they keep attachet after restart of orbiter too, but orbiter forget the mass of rocket engine then!
I had to re-attach the both vessels then again. I can use sabre engine to mach 5,5 now, then activated rocket engine, but i got only 4,6km/s at main engine cut off. I checked mass of Skylon_Sabre with Burntime-MFD, it was 239mt again!!! Normally it had to be near the empty mass, its because spacecraft3 simulates no mass loss at burning of other attached vessels. Thats a big mess. The Result keeps the same, one vessel has to be a right DLL or another kind of data.
Next time i checked a conection with a spacecraft3 Skylon_Sabre and a multistage2-Vessel with UniversalCargoDeck, and BINGO it works!!! All keeps when we restart orbiter, correct masses, tank fill levels an connection. We have to transform the pure rocketengine to multistage2 now, without aerodynamics and animations, extra boosters ect, because we dont need them. The conection to a Velcro-Rocket-Vessel works too. It seems to be that we need only one non-spacecraft3-vessel for conection. On the other hand, its possible to write a autopilot now for the rocketengine, because multistage2 support this without extra software!!!
By using UniversalCargoDeck4, i would make the passenger cabin as cargo too like the rocket engine, so its better to visit/enter and easier to replace. So we would have a working and easy payload-system too!!
Its at this time the best way for all, before we have DLL.