How to connect prop with O-ring

[Paul Taylor]

Hey Guys
First time I have put a prop on a electric 1/2a.

This seems a little sketchy to me. It is just looped over once or do I double it?

[Dennis Adamisin]

Hey Guys
First time I have put a prop on a electric 1/2a.

This seems a little sketchy to me. It is just looped over once or do I double it?

Looks right to me.  If its too tight it will not "release" on a nose over nor save the prop.  Only trouble I ever had was I had to slightly chamfer the back of the hole (sometimes) to get it to settle flat onto the hub face plus center on the hub.

Take spare O-rings to the field.  If/when they do pop-off the chances of finding the ring are slim & none...

[Paul Taylor]

Thanks Dennis.

I will need to order a pack of rings. 🤣

[Dwayne Donnelly]

Looks good, do you fly combat?  You can use 1/4"id 1/16" wall surgical tubing and cut your own O rings.

[Paul Taylor]

Looks good, do you fly combat?  You can use 1/4"id 1/16" wall surgical tubing and cut your own O rings.

No combat but I got some tubing from Windy. 😉

[Paul Taylor]

Well I spun it up and must have been too fast. Broke the O ring. Guess I need to slow it down. 🤪

[Dwayne Donnelly]

Well I spun it up and must have been too fast. Broke the O ring. Guess I need to slow it down. 🤪

Hmm, that shouldn't happen I've used O rings up to 8X6 SF  props with no issues, try cutting a o-ring about 3/32" thick, it should hold.

[Dennis Adamisin]

O-ring might have had a crack in it. Also, just to be safe, break the corner on the edge of prop hub.

[Paul Wescott]

Well I spun it up and must have been too fast. Broke the O ring. Guess I need to slow it down. 🤪

Those o-rings don’t like bolt threads.  Cover the threads with a small piece of fuel tubing or a couple wraps of whatever adhesive tape you can reach from where you’re sitting.

PW