Thanks to Ed Lewis, Adam Woods and Sandro Sammarco for answering my question about how to work out what range boost you get from a NS/WD. Thinking about it further, this looks like it will be very useful to people in the bubble, where there are many WDs, to quickly meet friends and reach objectives like CGs, mission destinations (including tourist destinations) and unfolding storyline events e.g. around the Pleiades. That would be the case even if the range boost is only slightly greater than a premium FSD boost using jumponium. For an explorer, especially a long-range explorer with some jumponium in reserve, the range boost would need to be much greater to be worth the risk, unless it is needed to reach somewhere you could not otherwise get to. I imagine that this will be something that needs testing during the beta. Would it be worth noting a few destinations to try and reach with this technique? I've mentioned the Cone Nebula (though I'm not sure where the nearest NS/WD to it is) and extragalactic clusters (if we can go KLYs) but what about other places that have not been reached yet (e.g. Cat's Paw Nebula?) or just getting a view well outside the Galactic Plane? I also note that there are neutron stars close to Jaques - perhaps there will be somewhere we can reach with them...
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The risk/reward for this technique could be very well self-balanced: I imagine a scenario where you have to stay in the hazardous 'supercharge' region boosting your range and taking FSD damage at the same time. If your FSD malfunctions in there and you crash out of SC, you might get crushed or cooked but you need to stay in there to get the range boost to reach your destination. You have to choose how much damage you are prepared to take, which comes with an increasing risk of malfunction and increasing reward of improved range. I'll be practising with my Adder rather than my Anaconda at first, though!