Multicopter Builders Primo 2208 2350kv

Tested KV: 2300kv
Weight: 33.1g
Stator: 22mm x 8mm

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 5x4x3GF1403 1387 176.40 36.55 15.51 16.15 31982 30075 30429 567 2.4
HQ v1s 5x4.3x3PC1416 1409 166.05 37.60 15.49 16.16 31628 29761 30215 583 2.4
Lumenier Buttercutter 5x5x31510 1498 150.52 41.19 15.43 16.15 30612 28763 29228 636 2.4
DAL Cyclone 5x4.6x31521 1515 169.68 43.38 15.39 16.16 29556 28195 28606 668 2.3
Gemfan 5149 5.1x4.9x31534 1527 176.27 43.06 15.39 16.15 29658 28288 28670 663 2.3
HQ v1s 5.1x5.1x31604 1571 157.90 55.03 15.17 16.15 26536 24559 25196 835 1.9
HQ v1s 5.1x4.6x31628 1598 163.08 50.65 15.27 16.15 27649 26132 26680 773 2.1
DJI 5048S 5x4.8x31624 1610 179.25 53.52 15.21 16.16 27210 24989 25696 814 2.0
HQ 6x3.51644 1633 174.59 43.60 15.39 16.15 29865 28103 28601 671 2.4
HQ v1s 6x3x3PC1754 1728 172.91 46.82 15.34 16.15 28957 27124 27618 718 2.4
KingKong 6x41808 1785 169.80 47.77 15.32 16.15 28382 26954 27482 732 2.4
HQ v1s 6x4x3PC1893 1861 165.92 55.74 15.14 16.15 26132 24213 24870 844 2.2
75% Thrust (g) Amps Volts RPMs Watts G/W
HQ 5x4x3GF91920.0615.80246843172.9
HQ v1s 5x4.3x3PC93020.6515.78244013262.9
Lumenier Buttercutter 5x5x398821.8515.76241643442.9
Gemfan 5149 5.1x4.9x3101523.2415.74237743662.8
DAL Cyclone 5x4.6x3101623.5515.73237073712.7
HQ v1s 5.1x4.6x3106826.7115.68221374192.6
HQ 6x3.5109023.3815.74237143683.0
HQ v1s 5.1x5.1x3111229.7615.63213154652.4
DJI 5048S 5x4.8x3112028.3115.65216844432.5
HQ v1s 6x3x3PC114325.3315.71227093982.9
KingKong 6x4115425.0915.71229123942.9
HQ v1s 6x4x3PC129130.5515.62211254772.7
50% Thrust (g) Amps Volts RPMs Watts G/W
HQ 5x4x3GF4828.6815.99178171393.5
HQ v1s 5x4.3x3PC4898.9315.98177181433.4
Lumenier Buttercutter 5x5x35079.1015.98177111453.5
DAL Cyclone 5x4.6x35299.7815.97173731563.4
Gemfan 5149 5.1x4.9x35299.6615.98174861543.4
HQ 6x3.55779.7515.97174191563.7
HQ v1s 5.1x4.6x359011.4815.94165341833.2
KingKong 6x460110.6015.96169981693.6
DJI 5048S 5x4.8x361712.1015.93162941933.2
HQ v1s 6x3x3PC61810.8115.96168391723.6
HQ v1s 5.1x5.1x362112.6215.92160392013.1
HQ v1s 6x4x3PC72113.0715.92158232083.5
25% Thrust (g) Amps Volts RPMs Watts G/W
HQ v1s 5x4.3x3PC1592.5416.0910350413.9
Lumenier Buttercutter 5x5x31642.6016.0910416423.9
HQ 5x4x3GF1652.5716.0910404414.0
Gemfan 5149 5.1x4.9x31732.7116.0910366444.0
DAL Cyclone 5x4.6x31752.7216.0910302444.0
HQ 6x3.51952.8416.0910315464.3
KingKong 6x42032.9716.0910224484.2
HQ v1s 6x3x3PC2073.0616.0910160494.2
HQ v1s 5.1x4.6x32073.2416.0810051524.0
DJI 5048S 5x4.8x32223.3716.089943544.1
HQ v1s 5.1x5.1x32323.5416.089874574.1
HQ v1s 6x4x3PC2603.6516.079803594.4
IDLE Thrust (g) Amps Volts RPMs Watts G/W
Lumenier Buttercutter 5x5x3400.8716.125520142.9
HQ v1s 5x4.3x3PC410.8616.125439143.0
Gemfan 5149 5.1x4.9x3420.8116.125471133.2
HQ 5x4x3GF440.9516.125465152.8
DAL Cyclone 5x4.6x3450.8616.125493143.2
HQ 6x3.5490.9716.125451163.1
KingKong 6x4530.9016.125410153.7
HQ v1s 6x3x3PC530.9716.125410163.4
HQ v1s 5.1x4.6x3540.9716.125355163.5
DJI 5048S 5x4.8x3600.9716.125334163.8
HQ v1s 5.1x5.1x3631.0216.125328163.8
HQ v1s 6x4x3PC701.0916.125308184.0