I do apologize for taking so long to get back to you on this, Captain, I've been otherwise preoccupied.

[But the wait is certainly worth it because Charles does present him with the schematics of a wheelchair. It seems very simple in design, which is sophisticated enough for Charles. The inner working are, naturally, more nuanced.]

Ah...well...I hope it isn't too complex, tried to be thorough, but I'm working from memory.