Overmolded paddlewheel for a flow meter

A method of fabricating a paddlewheel for a flow meter, the method comprising:

• providing an inner part of the paddlewheel;
• inserting a plurality of magnets in the inner part of the paddlewheel;
• and
• inserting said inner part of said paddlewheel into a jig and using said jig to at least partially align said plurality of magnets with the inner part of the paddlewheel to facilitate said inserting of the plurality of magnets, wherein a first partial blade comprises a first cavity configured to receive a first magnet of the plurality of magnets and a second partial blade comprises a second cavity configured to receive a second magnet of the plurality of magnets;
• and
• wherein inserting the plurality of magnets comprises inserting the first magnet into the first cavity and inserting the second magnet into the second cavity simultaneously.