DIGGING A SECRET TUNNEL part 3

A video on YouTube. In Maker & Builds, a Krater category.

Summary by Krater

Colin Furze continues digging his secret underground tunnel system by going sideways from his workshop towards his house, installing hydraulic equipment, welding steel arches, and clearing rock in silence.

From the video

Answers: How does Colin Furze dig sideways in his underground tunnel?

Underground tunnel construction
Hydraulic rock breaking
Welding steel tunnel arches
Silent tunneling techniques

What it concludes

Going sideways in the tunnel is much harder than going down.
A hydraulic ram and steel arches provide structural support for horizontal tunneling.
The tunnel section is 6.5 meters long and 22 feet in total.

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