I have an Orca Vritra, and find it to be superb. It's real smooth and no probs so far. You also get the program card with the esc, which makes life easier, and can now update the firmware/software online with the USB link.
I can see that the cheaper Orca Q range is made by Hobbywing as the cases look the same. But the Vritra units are quite different, with the battery and motor wire posts opposite each other unlike other esc's, so not really sure how it can be a re-badged hobby wing? Maybe it is built by hobbywing, but to Orca's spec. But then does it really make it a HW esc? I think not.
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