the joints/hinges for the green, black, and red lions change from camera angle to camera angle
and there's a series of hinges that open up the jaw when the black lion is in combat by itself, but this feature disappears when the black lion is fighting as part of voltron? which is completely reasonable? but also kinda saddening because
"oh yes let's add a blaster to this"
"the jaw?? nah don't worry haha they'll be fine"
"what do you mean jam"
"what do you mean one hinge is risky for a big vehicle"
"oh bugger off"
there's also the question of how exactly the paladins get into the lions? the lions are shown to have doors on their chests and mouths, but in the 6th (the saving balmera one,, i forget which episode it was) episode, the chest door turns to a stairway/ramp thing that releases a pod, and then in the all of the episodes they completely scrap the concept of "hinges will jam up if you put too much pressure on them"
and speaking of which? if the mouth is a cannon, but the mouth is also connects to the cockpit? none of the paladins would be alive?
where would the fuel for the laser-cannon thing come from? you wouldn't be able to gather that much energy so close to a high-maintenance computer and a human being, and what if the wires or such malfunction? the wires don't make sense at all,,
also, the swerves that the paladins make in space would cause them to go veering forward and backwards.
it doesn't matter if you're inside of a high-tech never-shattering metal lion; if you crash land at those speeds, your brain would literally crash into the side of your skull and you would die from your organs all splatting internally
when we see the inside of all the lions, all of the paladins have a huge free space in front of the pilot's seat that they can move around to interact with the computer
when any of the lions stops or suddenly takes off, the paladins would all literally explode in the cockpit
i don't like it, but it's basic physics