Northaero Dragon 2207.5 2450kv

Tested KV: 2380kv
Weight: 31.6g
Stator: 22mm x 7.5mm

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
HQ v1s 5x4x31220 1210 168.98 32.11 15.55 16.13 33482 32223 32656 499 2.4
HQ 5x4x3GF1330 1323 174.05 37.19 15.46 16.14 32102 30832 31259 575 2.3
HQ v1s 5x4.3x3PC1358 1352 172.65 38.77 15.42 16.14 31628 30287 30764 598 2.3
MyWing 5x4.5x31411 1405 158.85 40.66 15.36 16.14 31282 29658 30307 625 2.2
DAL Cyclone 5x4.5x31440 1431 175.32 40.45 15.35 16.12 31282 29658 30290 621 2.3
HQ v1s 5x4.5x31462 1456 172.15 41.15 15.33 16.12 30943 29658 30088 631 2.3
HQ v1s 5x4.8x31493 1479 160.48 42.32 15.33 16.12 30503 29254 29791 649 2.3
HQ 5x4x41510 1502 148.57 42.71 15.33 16.13 30503 29154 29664 655 2.3
DAL Cyclone 5x4.6x31543 1512 162.26 44.90 15.29 16.13 29970 28571 29115 686 2.2
Lumenier Buttercutter 5x5x31526 1513 144.78 43.40 15.32 16.13 30395 29055 29587 665 2.3
Lumenier Gatebreaker 5x3.7x41543 1523 171.65 47.27 15.26 16.12 29254 27919 28443 721 2.1
Gemfan 5149 5.1x4.9x31543 1532 150.86 44.86 15.28 16.13 29970 28571 29101 686 2.2
HQ v1s 5x5x31559 1538 156.69 47.26 15.24 16.14 29254 27829 28349 720 2.1
HQ v1s 5.1x5.1x31611 1564 167.46 56.39 15.03 16.13 26373 24630 25363 847 1.8
HQ v1s 5.1x4.6x31615 1578 140.85 51.94 15.17 16.13 27919 26373 26983 788 2.0
HQ 6x3.51651 1631 163.28 45.34 15.29 16.13 29970 28288 28822 693 2.4
KingKong 6x41793 1766 181.91 49.05 15.22 16.13 28476 27124 27773 746 2.4
75% Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x379118.2115.80260492882.7
HQ 5x4x3GF87020.7215.76254723272.7
HQ v1s 5x4.3x3PC89021.7815.74251583432.6
DAL Cyclone 5x4.5x394322.5015.71248803532.7
HQ v1s 5x4.5x394922.6915.70249543562.7
MyWing 5x4.5x396523.6815.70245233722.6
Lumenier Buttercutter 5x5x399723.5815.70245723702.7
HQ v1s 5x4.8x399923.9815.69245033762.7
HQ 5x4x4101524.3015.68243363812.7
DAL Cyclone 5x4.6x3101624.7815.68242803882.6
Lumenier Gatebreaker 5x3.7x4102025.5515.66239854002.5
Gemfan 5149 5.1x4.9x3102824.7215.67241883872.7
HQ v1s 5x5x3105426.6715.64236324172.5
HQ v1s 5.1x4.6x3108128.1215.62225314392.5
HQ 6x3.5110424.9615.68241993912.8
HQ v1s 5.1x5.1x3110430.9515.58217104822.3
KingKong 6x4118827.3615.63234504282.8
50% Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x34178.5815.98186951373.0
HQ 5x4x3GF4699.5015.97184111523.1
HQ v1s 5x4.3x3PC4749.7815.96182201563.0
HQ v1s 5x4.5x34959.9415.94182111583.1
DAL Cyclone 5x4.5x34979.9515.94181621593.1
Lumenier Buttercutter 5x5x351810.1115.95180261613.2
Lumenier Gatebreaker 5x3.7x452410.5715.94177671683.1
HQ v1s 5x4.8x352910.5715.94178141683.1
DAL Cyclone 5x4.6x353510.6215.94177141693.2
MyWing 5x4.5x353710.9015.94175941743.1
Gemfan 5149 5.1x4.9x353710.5515.94178001683.2
HQ 5x4x455310.8915.93176281743.2
HQ v1s 5x5x356411.4615.93173261823.1
HQ 6x3.558710.6315.95177331703.5
HQ v1s 5.1x4.6x359612.4115.91168721983.0
KingKong 6x461011.5015.93172921833.3
HQ v1s 5.1x5.1x362713.5715.89163252162.9
25% Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x31343.1116.0810776502.7
HQ v1s 5x4.3x3PC1553.3716.0810649542.9
HQ 5x4x3GF1613.3116.0810700533.0
HQ v1s 5x4.5x31623.3616.0610686543.0
DAL Cyclone 5x4.5x31633.3716.0710667543.0
Lumenier Buttercutter 5x5x31683.3916.0710685543.1
Lumenier Gatebreaker 5x3.7x41703.4816.0710602563.0
Gemfan 5149 5.1x4.9x31763.5116.0710600563.1
DAL Cyclone 5x4.6x31783.5316.0710584573.1
HQ v1s 5x4.8x31803.5216.0710572573.2
MyWing 5x4.5x31923.7416.0710491603.2
HQ v1s 5x5x31993.7816.0710455613.3
HQ 5x4x42013.7116.0710483603.4
HQ 6x3.52023.5816.0710554573.5
KingKong 6x42083.7416.0710472603.5
HQ v1s 5.1x4.6x32134.0016.0710297643.3
HQ v1s 5.1x5.1x32394.3716.0610077703.4
IDLE Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x3351.5816.115641251.4
HQ v1s 5x4.3x3PC411.6116.115615261.6
HQ v1s 5x4.5x3411.6116.085615261.6
DAL Cyclone 5x4.5x3421.5416.095617251.7
Lumenier Buttercutter 5x5x3421.6416.105629261.6
Lumenier Gatebreaker 5x3.7x4421.5916.105609261.6
HQ 5x4x3GF441.6116.105608261.7
Gemfan 5149 5.1x4.9x3441.5816.105584251.7
DAL Cyclone 5x4.6x3471.6016.105578261.8
HQ v1s 5x4.8x3471.6116.105594261.8
HQ 6x3.5521.6516.105598271.9
MyWing 5x4.5x3531.7216.105542281.9
HQ v1s 5x5x3531.7116.105528281.9
HQ 5x4x4551.6916.105548272.0
KingKong 6x4561.6516.105549272.1
HQ v1s 5.1x4.6x3571.7116.105494282.1
HQ v1s 5.1x5.1x3661.8116.095427292.3