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450 Size Brushless Outrunner Motor A2217/8T Technical Data

Motor Cross Reference Chart or Click here to order

No. of Cells:     2 - 3 Li-Poly
  6 - 10 NiCd/NiMH  
  Kv:     1100 RPM/V  
  Max Efficiency:     81%  
  Max Efficiency Current:     5-16A (>75%)  
  No Load Current:     1.0A @10V  
  Resistance:     0.125 ohms  
  Max Current:     18A for 60S  
  Max Watts:     150W  
  Weight:     73.1 g / 2.50 oz  
  Size:     27.6 mm x 33.8 mm  
  Shaft Diameter:     4mm  
  Poles:     8  
  Model Weight:     300 - 850g / 10.5 - 30oz  

Use this motor with 2-3 cell Li-Poly packs and 9-10 inch props on planes up to 30 oz flying weight. Manufacturer recommends a 9 x 5 prop on 3-cells and a 10 x 4.7 prop on 2-cells. We suggest propping for around 130 watts continuous.

The motor features a 4mm hardened steel shaft, dual ball bearings for the shaft and has 3.5mm gold spring male connectors already attached with 3 female connectors included for your speed control. Also includes accessory package with the pictured aluminum radial cross mount set with 6mm prop adapter. Mounting holes are spaced 19mm and 16mm on center and are tapped for 3mm (M3) and 2.6mm (M2.6) screws.

a2217-8-efficiency.jpg

Io Test Data

VoltsAmpsRPM
7 1 8060
8 1.05 9180
10 1.15 11470

Test Data

PropellerGear RatioVoltsAmpsWattsRPMSpeed (mph)Thrust (g)Thrust (oz)Temp (C)
GWS HD 9x5 1 6.9 8.75 60 6960 33.0 482 17.00  
GWS HD 9x5 1 7.8 10.55 82 7710 36.5 600 21.16  
GWS HD 9x5 1 8.8 12.45 109 8460 40.1 726 25.61  
GWS HD 9x5 1 9.8 14.7 144 9180 43.5 863 30.44  
APC E 10x5 1 6.8 11.4 77 6480 30.7 586 20.67  
APC E 10x5 1 7.8 13.6 106 7170 34.0 717 25.29  
APC E 10x5 1 8.7 16.1 140 7800 36.9 863 30.44  
APC E 10x5 1 9.7 18.5 179 8370 39.6 1004 35.42  
APC E 10x5 1 10.7 21.3 227 8940 42.3 1156 40.78  
GWS HD 10x6 1 6.8 11.25 76 6540 37.2 584 20.60  
GWS HD 10x6 1 7.8 13.55 105 7200 40.9 718 25.33  
GWS HD 10x6 1 8.8 15.9 139 7860 44.7 852 30.05  
GWS HD 10x6 1 9.7 18.2 176 8430 47.9 979 34.53  
GWS HD 10x6 1 10.7 20.8 222 9030 51.3 1135 40.04  
APC E 11x5.5 1 7 14.55 101 6180 32.2 726 25.61  
APC E 11x5.5 1 7.4 15.75 116 6420 33.4 791 27.90