[color=orchid]You know which ships I've never seen in one of these? Things from [i]Freelancer[/i]. Or [i]Elite[/i].[/color][hr][hr]
[@Mataus]I love that image. I've added it to the first post.
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[@CaptainSully] Not as-is, no.

To quote a answer from Quora: 
[indent]Warhammer revels in its absurdity. It is something of an agreement that everything about Warhammer 40K is over the top, excessive and all-round gratuitous. It is a universe where shit like planet-cracking or engulfing entire solar systems in demonic energy is considered standard fare.[/indent][right]-[url=https://www.quora.com/Why-is-it-that-sci-fi-fans-agree-that-the-Warhammer-40K-universe-is-the-most-overpowered-but-they-cant-agree-that-the-Star-Wars-universe-is-the-second-most-OP-since-its-similar-to-40K-in-that-theyre-both-fantasies-rather-than-hard-sci-fis]Mark Stamp[/url][/right]

My counter-question is: what do you want from W40K? Fanatical spess marines? WAAAGGHH!!? The Warp drive? Figure that out, and then I can see a few options. You could make a suspiciously-similar OC universe without all of the ridiculously powerful weaponry and hordes of soldiers and uber survivability, but retains the thing you want. You could severely limit your ship choice - it's actively falling apart, or there's only a literal handful of people that arrive - whithout changing lore. Or, you could do something weird, like, [url=https://www.fanfiction.net/s/5474237/1/40k-ToyHammer]it's W40K, except scaled to the size of the tabletop miniatures[/url].

TL;DR: It'd be much easier to do something else, but I'm a sucker for W40K lore. Especially the narrative possibilities of the Warp.
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[@Thecrash20] Accepted! Go ahead and post your sheet in the Characters tab.
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[@Sophrus] That looks pretty reasonable, so far. I would recommend giving your ship a couple of disadvantages, though, as it's fairly large.