E40-XS 2,5D +6,7:1 Kv 3950

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Product Information

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E40-XS 2,5D +6,71 Kv 3950

Product description and features

Compact, light and powerful, this modern gear drive is perfect for F3F/F3J and F5J models, for applications with 3S to 4S LiPo batteries and up to 5 kilograms take-off weight.

Driven by our Hacker Motor E40-XS 2,5D, the 6.7:1 gear drive achieves a high level of efficiency while remaining absolutely cool thanks to the integrated fan.

Ready-to-install complete system

The electric motor and gearbox are delivered ready to install. The complete drive system is assembled, tuned and tested before delivery.

Accessories

You can find suitable controllers, batteries and a suitable air screw in the Accessories tab.

Scope of delivery

E40-XS 2,5D +6,71 Kv 3950 Gear Drive (consists of E40-XS 2,5D and Hacker Gear 6.7:1) and Instructions.

Drive recommendation

E40-XS 2,5D +6,7:1 Kv 3950
item no.: 10109167
Propeller	ACC 14x8	ACC 15x10	ACC 15x10/td>	ACC-Z 16x10	ACC-Z 16x10	ACC 17x9	ACC 17x9
LiPo	4S	3s	4S	3S	4S	3S	4S
Voltage [V]	14,8	11,1	14,8	11,1	14,8	11,1	14,8
Current [A]	52	39	63	49	77	52	80
Power [W]	770	433	932	544	1140	577	1184
RPM	7600	5610	7100	5600	7070	5560	7000
Controller [A]	55-75	55-75	65-85	55-75	80-90	55-75	80-90
Timing [°]	10-15	10-15	10-15	10-15	10-15	10-15	10-15

Specifications
Power range [W]	1100
Poles	4
Turns	2,5D
Idle current (I0) at 8.4V [A]	2,6
Internal resistance (Ri) [Ohm]	0,012
Gear reducing	6.7:1
RPM max.	10000
Recommended timing [°]	10-15
Controller recommendation	50-80A
Idle speed per volt (kv)	3950
Dimensions and weight
Weight [g]	176
Length [mm]/[in]	75,1
Diameter [mm]/[in]	25
Outer diameter [mm]/[in]	29
Shaft diameter [mm]/[in]	6
Delivery contents
Promoters	no
Mounting cross	no
Gold plug mm (soldered)	no
Gold plug mm (recommended)	3,5
Backmount mountable	no
Front mountable	yes