I've talked to Peter a bit about them and as much as it would make sense to do a bunch of math, in practice they've found that really the bigger the better. Like he says in the video. They don't charge excessively for the parts, but it's not something that would be difficult to fab locally.
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines