FMS 4250 Series 'No Hex' Extended Shaft Prop Adapter
Availability: Out Of Stock
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Our FMS 4250 series 'No Hex' propeller adapters are CNC machined from billet aluminum. They are designed to be used with the FMS 1400mm and 1450mm models which use the FMS 4250 series motors.
These propeller adapters have been designed with an extended propeller shaft and NO HEX to allow for a large variety of standard propeller and spinner assemblies .
There is a 10-32 tapped hole on the end of the shaft to work with a variety of aftermarket spinners such as those from Hangar 9 and Tru-Turn.
Installation:
- Attach new propeller adapter to motor utilizing the motors prop adapter screws.
Included: 1 - CNC Machined FMS 4250 Series 'No Hex' Extended Length Propeller Adapter and M8 Nut
Weight: 13.7g
Dimensions -
Shaft Diameter: 8mm
Shaft Length: 52mm
Base Thickness: 8.9mm
Overall Length: 61mm
Mounting Holes (center to center): 15.8mm
​Alignment Pocket (back of adapter): 11.07mm diameter / 4.3mm deep
Notes:
- These are designed for standard spinner assemblies to be used on an 8mm shaft.
- These adapters will not work with the original FMS propeller hubs that require a hex nut for engagement.
- FMS Motors available at 
Compatible Motors
- FMS 4250 - 500KV
- FMS 4250 - 540KV
- FMS 4250 - 580KV
Please contact us with any questions on motor compatibility.