Electric Tow Bar for Planes

thingiverse

This is a DIY battery-driven electric tow bar for small planes. The commercial ones cost way too much, and this one you can build for under $150 USD. The first part of the build is available to watch here: https://www.youtube.com/watch?v=7iESRna7VRM&feature=youtu.be Part two: https://youtu.be/R_9C7Bg1PNQ I will upload the other videos in a couple of days. Other 3D files used: Battery Mount: https://www.thingiverse.com/thing:352094 Parts used: Tow Bar: https://goo.gl/DbzrS6 Relay (two needed): https://amzn.to/2U8InPn Voltage Regulator: https://amzn.to/2BXWgJb Wheels: https://www.harborfreight.com/5-in-polyurethane-heavy-duty-swivel-caster-61758.html Push Buttons: https://amzn.to/2tE3nlq Hose Clamps: https://amzn.to/2VpYvfN LEDs: https://amzn.to/2SunZXg Resistor Kit: https://amzn.to/2Ef0MmU Power Switch: https://amzn.to/2H2KQaw Power Wire 12 gauge: https://amzn.to/2SyKpqk Connectors XT60: https://amzn.to/2BU5XbA Heat Shrink Tubes: https://amzn.to/2Xt8EKa M8 Threaded Rods: https://amzn.to/2BU7pup Metric Nuts Kit: https://amzn.to/2Vpumxc Metric Screw Kit: https://amzn.to/2H6xYQz 3D Printer: https://shop.prusa3d.com/en/3d-printers/181-original-prusa-i3-mk3-3d-printer.html Motor(s): https://goo.gl/Ktn8AE Cable Sleeving: https://amzn.to/2H5XPYL Battery: https://amzn.to/2H2Ly7G Battery Connector: https://www.ereplacementparts.com/terminal-p-719473.html Crimp Terminal Connectors: https://amzn.to/2H5YoBR Rubber Grommet Set: https://amzn.to/2SteSWK Cable Ties: https://amzn.to/2tGibA6 Other DIY tow bars: http://www.csobeech.com/CSOB-towbar.html