Products that are Worth a Closer Look
Product review
As seen in the October 2018 issue of Model Aviation.
O-rings, often referred to as prop savers in the world of model aviation, provide a great way to attach a propeller to an outrunner motor on smaller foam aircraft. As the name implies, an O-ring often saves the propeller in the event that the aircraft makes contact with a hard surface by allowing the propeller to shift or detach from the motor.
Getting the O-ring around the propeller and attaching it to the two tabs on the motor can be challenging. The process involves…
You've read your 3 free articles
Sign in with your AMA account for unlimited access, or join AMA to become a member.