use green thread lock and let it cure for 24hrs that should bond the rotor back on. I did that fix and ran a 4hr enduro the next week with the same motor and no problems. Heck I put green thread lock on even new tekin rotors now just as a preventative measure when I red or blue thread lock ALL the endbell (front and back) screws on all my tekin or castle motors.
I run the 1900 too in my main racer buggy, and it is smooth. I recently bought the castle 1800 and it runs as fast but you have to go up a tooth on your pinion to compensate for the lack of rpm. torque wise its fine. But it does get hotter than my tekin and you can feel some cogging on the low end. Since it is sensorless too once in a blue moon on a dead start the motor will stall upon giving it gas and I have to pump the throttle once or twice to get it moving (happened 2-3 times during my 1st 140minutes of testing)
Malcnz, you are buying the best in performance with tekin. But they are new and have a reliability bug or 2, luckily they will replace any faulty equipment at a drop of a hat. Their service department is committed to the consumer! I'd rate tekin and castle as such:
Tekin
Performance A+ (great motor KV combos, run cool and smooth)
Reliability B (rotor issue and rare ESC problems)
Castle
Performance A- (run hotter than tekin, KV tad too high or a tad too low)
Reliability A (only 3 screws on front endbell, can and do come loose more often than tekin and result in the can sliding off or busted front bearing, otherwise it would be a solid A+, red thread lock it and its not an issue)
Neu motors are also good. The rest of the stuff on the market I wouldn't touch. Your fine with either Tekin or Castle.
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