I'm interested- of course!
Re: Missing throttle levers- obviously tied to the missing inlet scoops for #2 & #3. At this point, no cure- yet. Six months ago, all of this was impossible, issues get solved and work-arounds are found. Keep at it, the P-bodies here are in on it.
I've been working up a load of sea mines- that actually work- though the ship won't sink- leave that for the tac-pack enthusiasts; when a user operated vessel runs over the mine, blammo! I found an effects controller ages ago. If the dropable object is not set to 'destroy on contact', it lays in the water until a user driven ship runs through its trigger radius. Kinda cool.