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Get moped parts and factory cast cylinders here (in Finland): https://www.tekant.fi

In this video we will make a cylinder casting mould and the sand cores of the mould. Then we will melt an old sewing machine and turn it into a 20hp cylinder.

00:00 Making mould cores
21:23 Gluing the cores together
28:30 Making a mould
41:10 Casting material (breaking up the sewing machine)
49:10 Casting a cylinder on mother's yard and checking the result