![]() Even bipedal robots won't replace the role of a tank, because a tank is good at its role. So in the end, a legged mech won't actually replace the role of a tank. More weight, means larger motors, which decreases efficiency. ![]() Next if you want more firepower, you need to carry it around with you, so you run into the same problem as before. It can't move as efficiently as a tank over flat ground because it has to lift its legs and body weight, while a tank just rolls around and has to defeat friction, not gravity. Fundamentally, a 4 legged robot is going to need roughly 12 motors as well as a generator and fuel to run it and that is a lot of weight to carry. The problem is, that if you want to compete with tanks you need to be able to do something a tank can't do, and do it more efficiently and cheaper. So legged robots are extremely flexible in their movements. ![]() Your not going to see a tank ducking down or jumping over a gap, it's just going to steam roll over whatever there is in its way. This is 100% more flexible than any wheeled vehicle, because a legged robot could be designed to do all this with just their legs. They can walk over rocks, climb mountains, jump up buildings, jump over gaps, lower and raise their bodies, kick stuff and anything else you could imagine a robot doing. Legged Vehicles are all terrain vehicles. They are also very complicated to program, since you have 4/6/8 or more legs which all need to interact versus 2 treads, or some wheels which only really move in 2/4 directions. The most basic reason, they aren't as efficient in doing what armored or wheeled vehicles are specialized in. Okay, so a did a bunch of research into legged robots for my thesis and they aren't going to replace armored vehicles any time soon.
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