The big mean brother of the FinX23 from ZMX.
The results hear are similar in effect to the FinX23 though different in scale. The motor falls just short of the equivalent Cobra motor in terms of output. The thing that stood out to me in this test, as well as the FinX23, is that the coils don't seem to be cooling as effectively. The heat losses are evident in the data as you can see a fairly consistent drop-off in thrust as the coils heat over the 2 second sustained throttle bursts. This seems to account for a good portion of the lower thrust. It's also important to note that this is greatly emphasised by static load testing where airflow is greatly restricted. In flight with proper air flow the heat will be much less of an issue, but it is something of which to be aware. Even with the heat losses here though, the performance is dramatic for a sub 31g motor. It easily clears 1500g of thrust on the mid-weight 5" props, and well into the 1600g range on the heavier 5" props with instantaneous peaks coming very close to 1700g. As mentioned, the efficiency here is not the best, but pushing a light weight motor to this type of output seems to come at a cost. It is interesting to note that the efficiency increases dramatically lower in the throttle and seems to loose ground mostly in the last 15% or so, likely due to the heat buildup. At 600g of thrust the FinX30 is essentially identical to the Cobra in g/w. Given the intended application for these motors, the low weight, and increased dynamic unloading, they should be viciously fast on a light weight racer with mid-weight or light-weight prop.