RDQ Badass 2 2306.5

Listed as: RDQ Badass 2 - 2306.5

RDQ Badass 2 2306.5
Image: racedayquads.com
Stator2306.5
KV options1400, 1900, 2400
Weight37.0 g
Shaft5mm
Max cells3-6S
Configuration12N14P
DimensionsØ28.8x17.6 mm
Mount16x16mm
Max thrust1927 g
Price (approx.)17.39 USD

At 37 g it is 4.5 g heavier than average across the 21 2306-class motors in our database (avg 32.5 g).

Thrust data (RDQ bench test)

KVPropBatteryThrottleCurrentRPMThrustEfficiency
1400 6045 6S 50 5.07 A 16041 503 g 4.14 g/W
1400 6045 6S 60 7.97 A 18691 733 g 3.85 g/W
1400 6045 6S 70 11.69 A 21379 953 g 3.42 g/W
1400 6045 6S 80 16.84 A 23422 1220 g 3.04 g/W
1400 6045 6S 90 22.86 A 25688 1456 g 2.69 g/W
1400 6045 6S 100 26.03 A 26917 1567 g 2.54 g/W
1400 7056 6S 50 8.78 A 14284 796 g 3.79 g/W
1400 7056 6S 60 14.12 A 15864 1101 g 3.29 g/W
1400 7056 6S 70 19.48 A 16698 1342 g 2.88 g/W
1400 7056 6S 80 25.56 A 19754 1557 g 2.57 g/W
1400 7056 6S 90 31.51 A 21280 1698 g 2.28 g/W
1400 7056 6S 100 35.16 A 22033 1741 g 2.1 g/W
1900 5040 6S 50 7.57 A 21156 567 g 3.12 g/W
1900 5040 6S 60 12.43 A 22737 801 g 2.69 g/W
1900 5040 6S 70 17.32 A 25983 987 g 2.4 g/W
1900 5040 6S 80 24.89 A 29909 1284 g 2.21 g/W
1900 5040 6S 90 34.21 A 32846 1589 g 1.98 g/W
1900 5040 6S 100 34.55 A 34559 1603 g 1.97 g/W
1900 5143 6S 50 8.58 A 20343 613 g 2.98 g/W
1900 5143 6S 60 14.53 A 23199 881 g 2.53 g/W
1900 5143 6S 70 18.13 A 24814 1001 g 2.32 g/W
1900 5143 6S 80 20.43 A 28866 1219 g 2.57 g/W
1900 5143 6S 90 40.65 A 31627 1693 g 1.78 g/W
1900 5143 6S 100 41.32 A 33275 1725 g 1.78 g/W
1900 5146 6S 50 8.38 A 18862 609 g 3.02 g/W
1900 5146 6S 60 14.32 A 21362 877 g 2.58 g/W
1900 5146 6S 70 18.26 A 24221 1000 g 2.29 g/W
1900 5146 6S 80 21.03 A 26916 1214 g 2.46 g/W
1900 5146 6S 90 40.78 A 28645 1585 g 1.65 g/W
1900 5146 6S 100 41.53 A 30934 1606 g 1.64 g/W
1900 5047 6S 50 9.59 A 19283 675 g 2.94 g/W
1900 5047 6S 60 15.83 A 21892 944 g 2.5 g/W
1900 5047 6S 70 21.51 A 23790 1097 g 2.13 g/W
1900 5047 6S 80 26.57 A 27109 1362 g 2.13 g/W
1900 5047 6S 90 43.55 A 29602 1720 g 1.69 g/W
1900 5047 6S 100 44.23 A 31662 1749 g 1.68 g/W
1900 6045 6S 50 11.01 A 18188 799 g 3.04 g/W
1900 6045 6S 60 18.6 A 20727 1126 g 2.57 g/W
1900 6045 6S 70 26.44 A 22261 1413 g 2.26 g/W
1900 6045 6S 80 34.28 A 24670 1660 g 2.05 g/W
1900 6045 6S 90 42.88 A 27389 1827 g 1.82 g/W
1900 6045 6S 100 48.22 A 28539 1927 g 1.71 g/W
2400 5143 4S 50 7.23 A 17181 412 g 3.57 g/W
2400 5143 4S 60 11.62 A 19983 575 g 3.1 g/W
2400 5143 4S 70 18.06 A 22649 787 g 2.75 g/W
2400 5143 4S 80 25.83 A 25044 1003 g 2.44 g/W
2400 5143 4S 90 33.26 A 27308 1175 g 2.27 g/W
2400 5143 4S 100 33.47 A 28956 1181 g 2.27 g/W
2400 5146 4S 50 6.96 A 17362 400 g 3.59 g/W
2400 5146 4S 60 11.49 A 20117 565 g 3.08 g/W
2400 5146 4S 70 17.79 A 22747 777 g 2.76 g/W
2400 5146 4S 80 25.56 A 25091 991 g 2.48 g/W
2400 5146 4S 90 33.06 A 27586 1158 g 2.25 g/W
2400 5146 4S 100 33.13 A 28947 1164 g 2.25 g/W
2400 5047 4S 50 8.18 A 17331 434 g 3.34 g/W
2400 5047 4S 60 12.09 A 20075 591 g 3.11 g/W
2400 5047 4S 70 17.25 A 22889 762 g 2.76 g/W
2400 5047 4S 80 25.36 A 25163 970 g 2.44 g/W
2400 5047 4S 90 32.86 A 27294 1141 g 2.22 g/W
2400 5047 4S 100 37.86 A 29042 1235 g 2.1 g/W
2400 6045 4S 50 9.19 A 15848 523 g 3.65 g/W
2400 6045 4S 60 13.99 A 18379 719 g 3.25 g/W
2400 6045 4S 70 19.75 A 20856 918 g 2.92 g/W
2400 6045 4S 80 27.45 A 22936 1138 g 2.63 g/W
2400 6045 4S 90 36.37 A 24825 1339 g 2.38 g/W
2400 6045 4S 100 41.53 A 26123 1451 g 2.26 g/W
2400 5143 5S 50 10.61 A 20997 632 g 2.87 g/W
2400 5143 5S 60 17.32 A 23168 888 g 2.46 g/W
2400 5143 5S 70 21.84 A 25513 1010 g 2.2 g/W
2400 5143 5S 80 27.32 A 29232 1256 g 2.26 g/W
2400 5143 5S 90 47.54 A 32453 1657 g 1.72 g/W
2400 5143 5S 100 48.42 A 33589 1694 g 1.72 g/W
2400 5146 5S 50 10.68 A 20999 627 g 2.8 g/W
2400 5146 5S 60 17.39 A 22768 879 g 2.42 g/W
2400 5146 5S 70 21.78 A 26074 998 g 2.17 g/W
2400 5146 5S 80 24.82 A 29408 1251 g 2.41 g/W
2400 5146 5S 90 47.95 A 31324 1570 g 1.59 g/W
2400 5146 5S 100 48.62 A 33846 1593 g 1.59 g/W

Manufacturer bench figures (RaceDayQuads bench, 50-100% in tens, measured voltage per row; 1400 and 1900 KV on 6S, 2400 KV on 4S and 5S); real-world thrust varies with ESC, battery sag and prop condition.

Thrust-to-weight with this motor

RPM & prop speed on this motor

Props in this motor's class

PropSizeBladesWeight
Gemfan Long Range 5126-2 Durable 1.5mm T-Mount 5.1x2.7 2 2.6 g
HQProp DP 5.1x2.5x3 5.1x2.5 3 3.1 g
HQProp Juicy J37 4.9x3.7 3 3.4 g
HQProp Juicy J40 5.1x4.0 3 3.4 g
Gemfan 4935 Sbang 3-Blade 4.9x3.5 3 3.45 g

Where this data comes from

Bench table read off the listing's own description image (2306_-_info1.jpg). Unlike the 1507 and 2207.5 sheets it prints the measured voltage per row, and its Item NO. column reads A2306.5 on the 1900 and 2400 KV blocks. Its props are printed as bare Gemfan codes (5040, 5143, 5146, 5047, 6045, 7056). The spec block's maxima land on the table for two windings of three: 1400 KV 35.2 A / 1741 g is the 7056 100% row (35.16 A, but 827.7 W against the block's 840 W) and 2400 KV 48.5 A / 985 W / 1694 g is the 5S 5143 100% row (48.42 A / 985.8 W). The 1900 KV block's 51.3 A / 1195 W / 1961 g lands nowhere: that winding's own table peaks at 48.22 A, 1128.3 W and 1927 g, which is the figure published here as max thrust. Four runs print an efficiency at 80% above their own 70% figure (1900 KV 5143 and 5146, 2400 KV 5S 5143 and 5146), each row internally consistent. Internal resistance is 98 / 56 / 40 mOhm across the three windings.

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