The large brass pulley wheel (as our medium flywheel) is fully machined and can be used on our or other model engines as required.

Specification:-

- Slots: 2 for 2mm belt

- Diameter: 68mm

- Thickness: 12mm

- Hole for shaft: 6mm

- Material: Brass

- Weight: 170 grams

The pulley wheel has a M3 tapped hole used to secure the wheel to the shaft with a grub screw (supplied) - see drawing.