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Hi, I had the following:
And it worked quite well for my project. It is not a planeso weight is not important. Too much noise IS, instead.
Now I wanted a more powerful EDF and I bought this one:
EDF: https://hobbyking.com/it_it/hobbyking-64mm-alloy-edf-4000kv-850w-4s-outrunner-version.html , should have double the trhust of the other EDF
But with the new set instead of getting more thrust, it is really, really more noisy (too much!) but moves way less air than previous one. (How is this possible??)
I am using a servo tester to test them both.
What is wrong?? Thanks!