Flywheel F004 8 × 5 mm for coreless motor conversions (1.0 mm shaft)

The brass flywheel F004 is designed for use with coreless motors and other drives with 1.0-mm shafts. It stores kinetic energy and keeps your model running smoothly even during short contact interruptions. Ideal for converting and upgrading model railway locomotives and vehicles.

Dimensions:

• Length: 5.0 mm
• Outer diameter: 8.0 mm (tolerance n/a)
• Bore (inner diameter): 1.0 mm (tolerance +0.05 mm, −0 mm)

The precision bore allows a play-free fit on shafts with 1.0 mm diameter. Used together with suitable shaft adapters, the F004 flywheel can also be installed when the motor originally has a smaller shaft that is adapted to 1.0 mm.

Effect of the flywheel:

• smooths acceleration and braking
• reduces visible jerks during operation
• bridges short contact interruptions on track and turnouts

The running characteristics of your models become noticeably smoother and more prototypical, especially at low speeds and during shunting.

Handling notes:

• Always push the flywheel straight onto the shaft without excessive force to avoid damaging the bore.
• Deburr the shaft ends slightly if necessary so the flywheel can be pushed on cleanly.
• Align the flywheel carefully to achieve the lowest possible runout.
• Secure the connection to the shaft with a fast-curing metal adhesive to reliably prevent twisting or slipping.
• Before final bonding, check the available space inside the model (diameter 8 mm, length 5 mm).