Gemfan Flash Propellers have been specifically designed for high-speed racing. The inverse tip design helps to reduce blade tip vortex and the light weight of the propeller means it has a smaller moment of inertia and fast response time.Gemfan designers use CATIA modeling software and Ansys Fluent t..
The prop's hub is designed so that it can also be used with conventional 5mm motor shafts and t-mount shafts via an included insertSPECIFICATIONSDiameter: 4"Pitch: 2.3"Blades: 3Material: PolycarbonateBlade Diameter: 102.2mmHub Thickness: 5.5mmShaft Hole: 5mm and 1.5mm T-mount with the optional inclu..
These are the same props that Surveilzone sell with the nickname of the "unbreakable props"
They are formulated from a new mix of PC & Glass that are flexible and more durable than your standard ABS or Glass and nylon composite.
we have put them to the test and they do stand up quite well in..