I added new prop adapters from smallpartscnc and carbon fiber blades on my Blade 350 QX Quadcopter.
The prop adapters fit perfectly and adding the carbon fiber blades makes it even more quiet then before.
I'm pretty happy with the upgrade and now I have less chance of a blade breaking mid-flight.
Prop Adapters purchased here:
http://smallpartscnc.com/index.php?route=product/product&path=20_126&product_id=160
Carbon Fiber Blades purchased here:
http://www.ebay.com/itm/DJI-Phantom-Carbon-Fiber-Propeller-Balanced-Jello-Fix-Quadcopter-Set-of-4-Props-/251283764050?pt=Radio_Control_Parts_Accessories&hash=item3a81adf352
Let me know what you think of the video... Thank you!