"M500" weedless propeller
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Convert your T500 to an M500, and power your surface vessel with a scaled up weedless prop! Achieve amazing efficiency!
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Updated at source:
Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution
UPDATE: You can now purchase an improved version of this prop from Blue Robotics!
Users should note that this version is slightly larger, and can cause the M500 to draw more than 40A, above the rated current for the motor. This makes this design potentially more efficient at lower speeds, but can damage the motor if used at full power, above 40A.
The T500 is a powerful thruster, but the duct and three bladed propeller are optimized for applications that need a lot of push, and not a lot of through-water speed. By removing the nozzle, trimming the arms off, and attaching this propeller you convert the thruster into an “M500” - which will eventually be a standard product offering from BlueRobotics. For now, you can mount the modified T500 with this adapter.
The propeller is based on the Blue Robotics weedless propeller for the M200, and the BlueBoat can achieve 3.8 m/s when using 6S batteries, pulling 1.5 KW+! The bigger advantage is efficiency, with 1 m/s taking less than 15 watts to achieve!
Take care when launching and recovering the BlueBoat - the large printed props can strike the ground and objects near the keel, as evidenced by the photos this can take out a printed propeller!
