Category Archives: Uncategorized

Thrust-Test: Racerstar BR1103B 6000KV (rewound)

This is the third benchmark in a series of 110x motor thrust tests I will be doing in the next few weeks. You can read more about the background of those tests in my overview post. This time I will be testing the Racerstar BR1103B that I recently rewound to 6000 KV. Well, actually I… Read More »

Tutorial: Changing the load cell of a RCBenchmark 1580 Dynamometer from 5Kg to 1Kg

When Charles sent me the 1580 series dynamometer he told me that the default load cell that comes with this test stand might not be ideal for the tiny thrust levels of my micro brushless motors. He suggested that I replace the load cell with a different model. As the original cell measures thrust up… Read More »

Not all motors spinning on full battery with F3D8 + Star 4 ESC — Fix it!

As you all might know racerstar cloned my opensource tinyFISH FC and tinyPEPPER 4in1 ESC, claiming it is their very own invention. Sadly they messed things up… There are lots of reports of not all motors spinning when you arm the FC with a fully charged Lipo battery. The symptoms fade away once your battery… Read More »

tinyFISH FC – initial setup & flashing tutorial II/II

In the previous tutorial we flashed the betaflight firmware into the STM32 of our flightcontroller, this time we will flash the tinyFISH FC receiver firmware. We are going to use the frsky compatible OpenSky firmware. You can now decide to download the latest version of OpenSky here and build the tinyfish target yourself (make TARGET=TINYFISH).… Read More »