As you saw, at the beginning of the video there is a quite powerful drill with a power of 115 Nm, which may be too weak for large drills (36 mm).
That's why we decided to make a petrol drill that can easily handle any drill diameter.

We used a 3 hp chainsaw and parts from an old German drill.

Check our other videos:
   • Can you make a KEYWAY using a Lathe?   Can you make a KAYWAY using a Lathe?
   • Making Scissor Lift Table 18V   Making Scissor Lift Table 18V
   • Making Mobile Crane  Using Planetary...   Making Mobile Crane Using Planetary
   • Turning Chainsaw in to Earth Auger   Turning Chainsaw in to Earth Auger
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