Why don't tanks have a bubble canopy?

Tanks have wheels. Steering wheels (Image: Tiger 1 tank) Okay, so that joke completely failed because the question asked about “tires” and not “wheels”. The question asks about Tires. read more

A bubble canopy on a tank would introduce a number of problems. It wouldn’t be resistant to any type of fire from small arms upwards. If broken it would compromise the NBC protection of the tank with a hatch that couldn’t be sealed. read more

In this case the answer is simple: Tanks don’t have tires because if it ran on tires it wouldn't be a tank. No matter how tank like it may be, if it runs on wheels then it is not a tank. And that is why tanks don’t have tires. read more

A bubble canopy breaks and a whole new canopy is needed. As for why bf109s kept using the other. The air plane frame would need a toal overhaul to change the canopy design. read more