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EVA struts causing unplanned spontaneous dissassembly #74
This seems random, and could be an issue with two conflicting torque systems, but when two vessels dock together and a Kerbal EVAs to use the KAS connectable struts to strengthen the connection, sometimes on the second or third connection the craft violently rips apart. Sometimes it merely rips the connector off which jumps into 'ridiculous speed', but more likely the whole area at docking port is sheered off.
It seems random in effect and I've successfully reloaded and recreated the problem, but also managed (after multiple attempts) to finally connect four struts by saving and loading before connecting each one. At other times the strut connection on the same craft has had no issues at all. Docking orientation and the resultant angle of the struts seems not to affect whether this happens or not.
I've had similar luck, though my first ever EVA strut caused an explosion. I've had a few go well since, and then another explosion. Not that I expect that this adds any really valuable information other than, it's not just the OP.
I'm happy to contribute saves or whatever else might be useful.
I had the same experience last night when linking two pipe connectors together. The source port was on one craft attached near the base to a fuel tank (the source port originated, however, from the target craft and was moved in EVA to the source craft). The target port was pre-added to the target craft in VAB. Both ports were facing each other, not exact, but close. When the link was pulled from the source craft to the target craft, upon linking to the target craft, the source craft ripped into hundreds of pieces (not all parts detached, but most did) and flew apart at ludicrous speed, with the bulk of the large parts landing near each other 13km away on the Mun.
This is still happening in KSP 1.2.2 / KAS 0.6.2 , and I have a quicksave that can reproduce it fairly reliable (3 out of 3 tries, for me). I'll make a copy in case anyone wants to look at it. With this quicksave, there are two ways of blowing everything up:
Here is the overall vessel, with the Kerbal Engineering info. I just realized that it is extremely OP for Mun.
Here is a closeup of the four EVA struts that bridge across the docking connection, showing what they are connected to. The EVA strut is part-highlighted.
I can't post a zipped save file here, but I've kept a copy in case anyone asks for it.