Thrust Stand for Large Motors


My colleague and I received a lot of help from the DIYDrones community two years ago when we launched the Series 1580 with our company RCbenchmark. We had just finished our masters in robotics. After a lot of work, we are now releasing the Series 1780, a dyno to test motors and propellers producing up to 25 kgf of thrust.

Although this tool is intended for businesses and universities, it uses the same open source software used on the Series 1580 and the Series 1520. I have made more videos on our Youtube channel regarding motor and propeller theory since the Series 1580 was released.

It is not a tool for hobbyists, but I know a lot of you work professionally with UAVs too. Hopefully it will be used for one of those hover bikes in development :). We developed custom load cells with our load cell manufacturer. When testing motors this size, EMI become much more a problem. We had to add extra shielding and galvanic isolation almost everywhere.

Here are the specs:

  • Voltage (0-60 V).
  • Current (100A continuous, 150A burst).
  • Power (0-6000W).
  • Thrust (±25 kg).
  • Torque (±12 Nm).

The system will also support coaxial testing, something a lot of larger UAV designers requested. Coaxial is slightly less efficient, but more compact. I am available in the comments if you have any question regarding motor and propeller testing. I had the opportunity to work with hundreds of businesses, researchers and hobbyists who tested all kinds of motors and propellers, so I may be able to help.

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