Five33 Headsup 2207 1950kv

Tested KV: 1845kv
Weight: 29.3g
Stator: 22mm x 7mm

Test Environment:

XRotor 40A ESC

Timing: Med-high
Dither: 7
PWM: Damped Light

Venom 60A Power Supply
2Farad Caps x2 in Series

Custom Datalogger

TI TivaC Launchpad
Allegro ACS758-200B
Voltage Divider
EagleTree eRPM Sensor
Custom Thrust Stand w/ HX711
4 ms logging rate

Atmospheric Data (Typical)

Barometric pressure: 29-30 in
Ambient Temperature: 70-74 deg F
Humidity: 50-60%

100%	Thrust (g)		Current (A)		Voltage		High RPM Pass			Efficiency
Prop Tested:	Max(g)	Avg Max(g)*	Max (A)	Avg Max(A)*	Avg Min(V)*	Max(V)	Max	Min	Avg Max*	Watts	G/W
Gemfan Hurricane 5.1x4.66x3	1824	1786	191.20	49.47	23.43	24.28	35621	33796	34341	1159	1.5
HQ R38 5.1x3.8x3	1921	1864	171.63	50.01	23.65	24.30	35038	33401	33921	1183	1.6
HQ 5x4x3GF	1979	1943	169.94	44.42	23.68	24.28	37163	35473	35933	1052	1.8
HQ v1s 5x4.3x3PC	1992	1960	179.24	42.79	23.74	24.30	37488	36070	36535	1016	1.9
HQ v1s 5x4.5x3	2035	2021	168.60	46.51	23.70	24.28	35918	34615	35134	1102	1.8

75%	Thrust (g)	Amps	Volts	RPMs	Watts	G/W
Gemfan Hurricane 5.1x4.66x3	1291	27.25	23.75	28992	647	2.0
HQ 5x4x3GF	1336	23.88	24.00	30093	573	2.3
HQ v1s 5x4.3x3PC	1352	24.27	23.94	29822	581	2.3
HQ v1s 5x4.5x3	1406	25.78	23.99	29319	618	2.3
HQ R38 5.1x3.8x3	1411	27.92	23.96	28575	669	2.1

50%	Thrust (g)	Amps	Volts	RPMs	Watts	G/W
HQ 5x4x3GF	708	10.37	24.14	21618	250	2.8
HQ v1s 5x4.3x3PC	720	10.55	24.16	21541	255	2.8
Gemfan Hurricane 5.1x4.66x3	722	11.15	24.09	21240	269	2.7
HQ v1s 5x4.5x3	741	10.85	24.08	21203	261	2.8
HQ R38 5.1x3.8x3	751	11.41	24.18	21080	276	2.7

25%	Thrust (g)	Amps	Volts	RPMs	Watts	G/W
HQ v1s 5x4.3x3PC	251	3.76	24.26	12733	91	2.8
Gemfan Hurricane 5.1x4.66x3	254	3.79	24.26	12723	92	2.8
HQ v1s 5x4.5x3	256	3.75	24.25	12760	91	2.8
HQ 5x4x3GF	258	3.72	24.24	12783	90	2.9
HQ R38 5.1x3.8x3	267	3.89	24.28	12607	95	2.8

IDLE	Thrust (g)	Amps	Volts	RPMs	Watts	G/W
Gemfan Hurricane 5.1x4.66x3	70	1.89	24.27	6680	46	1.5
HQ v1s 5x4.3x3PC	71	1.92	24.27	6724	47	1.5
HQ v1s 5x4.5x3	73	1.84	24.25	6716	45	1.6
HQ R38 5.1x3.8x3	73	1.91	24.28	6686	46	1.6
HQ 5x4x3GF	78	1.85	24.27	6704	45	1.7