RDQ Returner R4 2450kv

Tested KV: 2450kv
Weight: 28.8g
Stator: 22mm x 6mm

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 5x4x31188 1181 6612.91 28.42 15.34 16.04 33094 31055 31498 436 2.7
HQ DPS 5x4x3PC1193 1188 134.97 33.25 15.28 16.09 30721 29354 30011 508 2.3
HQ v1s 5x4x4PC1245 1229 125.73 31.96 15.26 16.03 31055 29761 30250 488 2.5
HQ 5x4x3GF1260 1255 140.82 32.40 15.28 16.07 31055 29761 30292 495 2.5
MyWing 5x4.5x31278 1255 131.81 34.88 15.25 16.09 30612 28957 29438 532 2.4
DAL Cyclone 5x4.5x31286 1279 132.51 34.59 15.25 16.09 30287 28860 29480 527 2.4
DAL 5x4.5x3HBN1332 1312 133.33 36.41 15.20 16.09 29455 28288 28785 554 2.4
HQ 5x4x41361 1334 139.88 36.95 15.18 16.09 29865 28195 28622 561 2.4
Lumenier Buttercutter 5x5x31368 1341 135.79 37.40 15.25 16.09 29865 28011 28509 570 2.4
DAL Cyclone 5x4.6x31365 1342 126.78 38.15 15.22 16.09 28957 27560 28152 581 2.3
HQ 6x3.51425 1406 130.88 38.23 15.14 16.09 28957 27472 27898 579 2.4
KingKong 6x41584 1535 132.75 41.07 15.04 16.06 27829 26373 26894 618 2.5
75% Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x377115.6915.64254812453.1
HQ DPS 5x4x3PC82318.7115.64245742932.8
HQ v1s 5x4x4PC82517.8215.61247642783.0
HQ 5x4x3GF83917.5615.64250002753.1
DAL Cyclone 5x4.5x386118.9415.63244452962.9
MyWing 5x4.5x388120.0715.61240123132.8
Lumenier Buttercutter 5x5x390519.9015.62240293112.9
DAL 5x4.5x3HBN90720.3815.60238923182.9
DAL Cyclone 5x4.6x391620.6715.57236683222.8
HQ 5x4x493020.8715.58237403252.9
HQ 6x3.597720.7915.60237583243.0
KingKong 6x4103422.4315.52228113483.0
50% Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x34137.2015.85185891143.6
HQ DPS 5x4x3PC4398.1715.90181021303.4
HQ v1s 5x4x4PC4487.9815.85180961263.5
HQ 5x4x3GF4557.8215.88182761243.7
DAL Cyclone 5x4.5x34668.2815.89180491323.5
Lumenier Buttercutter 5x5x34818.3715.89179341333.6
DAL 5x4.5x3HBN4888.8615.88176461413.5
DAL Cyclone 5x4.6x34908.7315.87176341393.5
MyWing 5x4.5x34909.0915.88175361443.4
HQ 5x4x45039.1215.87175301453.5
HQ 6x3.55348.8015.88176071403.8
KingKong 6x45519.4715.84171871503.7
25% Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x31372.2715.9810863363.8
HQ v1s 5x4x4PC1562.3815.9810783384.1
HQ DPS 5x4x3PC1572.4316.0310816394.0
DAL Cyclone 5x4.5x31612.4316.0310807394.1
HQ 5x4x3GF1622.3516.0110848384.3
Lumenier Buttercutter 5x5x31652.4016.0310822384.3
DAL Cyclone 5x4.6x31722.5216.0210705404.3
DAL 5x4.5x3HBN1742.5816.0310714414.2
MyWing 5x4.5x31812.7016.0310567434.2
HQ 5x4x41862.6816.0210601434.3
HQ 6x3.51932.5116.0310712404.8
KingKong 6x41942.6816.0010546434.5
IDLE Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4x3340.9116.015677152.3
HQ v1s 5x4x4PC390.8416.015642132.9
Lumenier Buttercutter 5x5x3400.8216.075692133.0
HQ DPS 5x4x3PC400.8716.075680142.9
DAL Cyclone 5x4.5x3410.8616.065662142.9
HQ 5x4x3GF430.8416.045681133.2
DAL 5x4.5x3HBN440.9216.075657153.0
DAL Cyclone 5x4.6x3440.8416.075658133.3
MyWing 5x4.5x3470.9216.075608153.2
HQ 5x4x4490.9016.065610143.4
HQ 6x3.5490.8516.075658143.6
KingKong 6x4500.9316.045622153.4