Amazing CNC Machine Sculpts MX Bike Helmet from 120 KG Aluminium Block. autoevolution ... Amazing CNC Machine Sculpts MX Bike Helmet from 120 KG Aluminium Block. Published: 4 Jan 2015, 09:23 UTC ...

That said, the German-made Frace F160 is a huge exception, as its frame is milled from a solid block of aluminum. ... who previously worked as a CNC machine operator and production manager.

Running baseline tests show the 383 small-block produces 440 hp and 465 lb-ft of torque, both healthy numbers. The iron heads do their job, and do them well. Installing the aluminum heads tells a ...