This is the rig I threw together to get a feel for the how the as yet un-balanced EDFs would perform (I couldn't wait). The sealed lead acid battery is in parallel with the PSU to help iron out the sags.
The rig showed me how powerful these are, and how important it will be to get the balancing right. I did manage to power up all three but had to back off due to some serious vibration. I think the frame didn't help as the lack of rigidity allowed any vibration to resonate.
Must balance rotors!
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