Its really tiny and light compared to the GY502 I had, yet it still has a LCD screen and buttons for adjusting the parameters. Its just slightly larger than the GY502 sensor and so mounts onto my raptor 50 gyro mounting area with no issus. This is pretty important to me because the raptor hasn't got much electronics mounting area at the front and back then I was running 2x sanyo 1500mah nicd pack and was slightly nose heavy. Servo comes with a metal heatsink casing, which I guess is already standard nowadays. Lighting fast servo at 0.05s. A word of caution though, the included gyro mounting tape sucks. It seems ever so ready to be split apart by a light pull. I am using the 3m white foam tape now. The included servo horn was a round one with un-cut 4arms star shape marking, i.e. it came as a round servo wheel. Maybe its a feature, but who use a round servo wheel on rudder anyway. It was a bit of hassle to cut it myself.
I found the piro to be much more consistent than the gy502 and at slow piro rates, it is actually extremely smooth and slow. With a lower end gyro, I found that slow piros usually ends up choppy and step-like. Piro is extremely fast, sensitive and it holds good. Piro rate is smooth and predictable even in rippers. Holds good even when doing a rolling stall turn. However, the piro I get from this in a K.E flight is pretty inconsistent. Holding ability can be improved though, it does not blow out, just drift slightly occasionally. So far I have only blown the tail once with this gyro and it was because I lost quite a bit of rpm, so it wasn't the gyro's fault.
I have logged 140flights with this thus far and it still is working great with no sign of wear on the servo.
I tried to use this gyro with some other servos and apparently, you cannot use any other servos with this gyro. It worked with the other servos, but the servo was constantly jittering which I think would wear out the servo.
Comes in a nice package.
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