Homemade fan using a radiator fan of a combine harvester and a Miele washing machine motor.

Specification

Components

Motor:

• Previous application: Washing machine
• Name: W719 MRT 01-606/2
• Part number: 2029262
• Type: Series wound universal motor
• Rotational speed: 300 - 13,000 rpm

Control

• Methods:
  • Potentiometer: Phase angle control 0-100%
  • Switch: Switch between 2 windings with different lengths/speed
• SSR-40 VA solid state module (IC for phase angle control)
  • Voltage: 24 - 380 V AC
  • Current: max 40 A
• Potentiometer 500k Ohm
• Rocker switch (I - 0 - II)
• Control lamp (light bulb 5 W)

Mechanical

• Fan blade previously used in cooling system of an old combine harvester
• Custom adapter flange
• 20 mm Shaft
• 2x 20 mm bearing block
• Pulley D 200 mm
• Pulley D 50 mm
• V-belt 10 mm

Videos

YouTube video

First test

2017.10.08

Finger test

2018.03.22

Motor overspeed

Note: This type of motor should never be run without any load or speed regulator!
2017.08.01

Gallery