Gem Fan Nylon/Carbon Props: Are the hubs really THIS off balance!?

[Mojave]

GemFan props are cheaper since they spend less time balancing and calibrating them at the factory. If you want quality props that are actually factory balanced, I think T-Motor makes some of the best. I found this comparison review between GemFan vs. T-Motor Carbon Fiber props: https://www.youtube.com/watch?v=1CHKGLl00Ks , pretty explanatory.

This is what I would recommend: http://quadcopteruniverse.com/collections/propellers/products/10x3-3

Don't be fooled - even though the T-Motor CF props are balanced, and I pay a lot for their 18 inch props, they still need to be balanced. I may have every sixth one that does not need much balancing, but you need to check them all. I find the hubs are particularly difficult!

 

[AK1990]

Good to know! What's your opinion on T-motor props vs. Gemfans? I've never tried their CF offerings.

 

[Mojave]

Good to know! What's your opinion on T-motor props vs. Gemfans? I've never tried their CF offerings.

I can't speak to this. I did my research and asked around and went to the T-Motor CFs for my heavylift system.

ANYONE else have experience with these two brands?

 

[stitch1615]

IMHO and my only experience with a prop break at the hub, was due to repeated over tightening.
There is a mold like on many of the hubs and with repeated crushing by a prop nut I believe this line becomes a weak link.
My only broken prop was right on this line.
Counter opinions welcomed.