I don't agree that the Castle Link is completely luxury. Yes i can program my ESC through my TX, minimally. If I want to fine tune it, I have to do it through my PC.
Another thing is cost, depending on the application, brushless isn't always way more expensive like everyone seems to think.
Two examples from experience:
1. On my Mini-T I changed to brushless which required the ESC/motor, new servo, and new RX/TX. I would have still needed those same items if I wanted to run any sort of hot motor that the stock ESC couldn't handle.
2. On my Rustler I had a race ESC (Tekin G11 Pro) which still retails for $130+, and then a new motor on top of that would push it to around $200 which is very much in the vicinity of the brushless set-ups prices.
I have yet to have any "cogging" issues with my 1/18th setup and from what I understand the Novak sensored BL motors are even better as far as smoother low speed throttle control.
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