E40-XS 2D + 6.7:1 kv 4700
Description
Product Data
Description
E40-XS 2D +6.7:1 Kv 4700
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 2D, 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.
Delivery contents
E40-XS 2D +6,7:1 Kv 4700 Gear Drive (consists of E40-XS 2D and Hacker Gear 6.7:1) and Instructions.
Drive recommendation

Product Data
| Specifications | |
| Power range [W] | 1100 |
| Poles | 4 |
| Turns | 2D |
| Idle current (I0) at 8.4V [A] | 2.9 |
| Internal resistance (Ri) [Ohm] | 0.009 |
| Gear reduction | 6.7:1 |
| Outer shaft [mm] | 6 |
| RPM max. | 10000 |
| Recommended timing [°] | 10-15 |
| Controller recommendation [A] | 50 – 80 A |
| Idle speed per volt (kv) | 4700 |
| Dimensions and weight | |
| Weight [g] / [oz] | 176/ 6.20 |
| Length [mm]/[in] | 75.1 / 2.96 |
| Diameter [mm]/[in] | 25 / 0.98 |
| Outer diameter [mm]/[in] | 29 / 1.14 |
| Shaft diameter [mm]/[in] | 6 / 0.24 |
| Delivery contents | |
| Prop adapter | no |
| Mounting cross | no |
| Gold plugs (soldered) | no |
| Gold plugs mm (recommended) | 3.5 |
| Back mount possible | no |
| Front mount possible | yes |



