So... I just landed on Duna for the first time, go me! Thought I would take a rover to max out the amount of science for my career mode save. After many failed attempts and 3 hours playing KSP tonight, I finally get myself into an orbit around Duna, "yes, finally I've done it" I tell myself. I realised my first mistake as I land on the planet, I had attached my solar panels to the decoupler, so when I ditched the engine, I lost my power source! I was gutted that I couldn't take advantage of all the science jr and fluid Specto tests I bought along. Ah well, I'm still on Duna, so all is not lost. I open up the service bay and get ready to unleash my unmanned rover only to find i have blocked it in with a slightly overhanging puff mono propellant engine! I dunno whether to laugh or be mad right now! Feel like I've wasted my night but laughed so hard when I realised my flawed rocket design