The goal was to make the boring machine as fast as Gary the snail. Maybe they did that. Also, the machine builds the tunnel reinforces as it goes. https://www.

The goal was to make the boring machine as fast as Gary the snail. Maybe they did that. Also, the machine builds the tunnel reinforces as it goes. https://www.quora.com/Why-does-Elon-Musk-think-he-can-bore-5-10x-faster-than-any-of-the-thousands-of-tunneling-projects-across-dozens-of-countries https://www.quora.com/Why-does-Elon-Musk-think-he-can-bore-5...