Re: What are Issues of Transforming Robots or Robots that Combine into Bigger Mechs?
 

Except that from what I've read, it takes a huge amount of concentration and controls to equate to even a few simple basic muscles.

For a semi-related example, it took five people to manipulate Jabba the Hutt.

Re: What are Issues of Transforming Robots or Robots that Combine into Bigger Mechs?
 

That's because it's a handwave. Absent a whole bunch of direct neural linkages (grossly cinematic), it's going to require computer control of things like balance, and once you have that it will control just fine with a joystick no matter how it's shaped.

Re: What are Issues of Transforming Robots or Robots that Combine into Bigger Mechs?
 

Because modern computer controlled planes require only a joystick to fly?

Using some form of learned/instinctive hind brain control in addition to voluntary steering isn't "that" cinematic silly.

But since the physics of giant humanoids is still radically different from that of human sized humanoids, the control issues would only be slightly lessened.

Re: What are Issues of Transforming Robots or Robots that Combine into Bigger Mechs?
 

To the point where I can get motion sick sitting on my ass in front of a video screen.

Re: What are Issues of Transforming Robots or Robots that Combine into Bigger Mechs?
 

Another issue with giant-sized humanoid vehicles (or giant humanoid robots, for that matter) is that the shape gives a high center of mass for the overall structure. This is bad in combat, everything else being equal. To put it simply, it's a lot easier to trip, unbalance, or otherwise knock over a 50 foot tall humanoid than it is a tank or similar low-built machine.

Remember the scene from The Empire Strikes Back where Luke Skywalker and the Rebels literally trip the Empire's big walking war machines with cables? That tactic might actually be a reasonable one against such machines. It would be worse for a humanoid one because a tetrapod is inherently more stable than a biped.

I mentioned upthread that legged vehicles would have their potential uses, but you'd want to avoid long legs where possible, for just that reason. Think a mechanical beetle, rather than a mechanical human.