MEGA 16/25/2.5R 2200
But I tested it more like 2300 KV range, I will recheck KV.

The props order below is in same order of increasing load as you see on the graph
I started with full TP 4S-5000 30C battery…but forgot to first discharge my usual 5% capacity (mAH) before starting my prop tests.

APC E 5X5 , recorded @ 1.5% discharged Battery
APC E 5.5X4.5 , 2.4% discharged battery
APC Sport 6X4 , 3.1% battery
Graupner 5.5X5.5 , 3.9%
Aeronaut 6X5.0 E Carbon , 4.7%
APC E 6X5.5 , 5.6%
APC Pylon 6.5X5.0 , 6.6%
APC Pylon 6.5X6.0 , 8.6% {This was tested after prop below but had slightly less load}
APC Sport 7X4 , 7.7%
APC Sport 7X5 , 9.7%
APC Pylon 6.5X6.5 , recorded @ 10.9% discharged battery = @ 545 mAH discharged


The recorded data was @ 1.0 seconds after initial meaningless peak AMP spike.
Eagle tree eLogger V3 150A was set at 10 samples per second.

Even if you are running a full size MPI style heat sink, I suggest that you do not run more than 80A in a Funjet due to available airflow to cool motor. Efficiency goes down after that……Maybe 90A in A Stryker if you really know what you are doing.

This motor begs for 5S in a Funjet.


….maybe even 6S for those of you believing that a very small prop is o.k. in a Funjet at VERY high speeds:
6S bench test:
APC E 5X5 , @ 8% of 6S-2200 35C
78.39 A
1679 W
38,610 RPM

*Don’t forget heat sink and some throttle control to be safe….the prop above has fairly decent efficiency.

one more 6S test:
APC E 4.75X4.75 , @ 7% of 6S-2200 35C
71.26 A
1541 W
40322 RPM


My motor is the 16/25/2.5RC , the letter “C” denotes combat shaft which is 5mm
5mm shaft has 2.4 times more metal than 3.2mm shafts and there is no bending that in a mishap….LOL



Above motor shows a motor with same size and weight and similar KV as ARC 2 turn but it has AMP handling capability of ARC 1.5…..but with MEGA ULTRA quality and in my case: 5mm Shaft.

Gryphon