The Workbench

Mounting your motor

Installing our motors in your aircraft is straightforward, but please pay close attention to the following tips and precautions.

STEP 1 - Mounting your motor

Installing our motors in your aircraft is straightforward, but please pay close attention to the following tips and precautions.

Mounting hole pattern

To make sure your new motor fits the mounting plate of your aircraft, please refer to the product page of the respective motor model in our store. The mounting hole pattern can be found in the Specifications tab, as well as in the size drawing.

This information includes the number of mounting holes, their respective thread size, and the bolt circle on which the holes are placed — shown as the number in brackets.

Example 1: "4x M4(30)"
This means that the motor features four M4 mounting holes, placed on a 30 mm bolt circle.

For extended compatibility with a wide range of models, some of our motors feature a combination of different mounting hole sizes and/or bolt circles. In this case, the information is shown as follows:

Example 2: "2x M4(30) + 2x M3(25)"
This means that the motor features two M4 mounting holes placed on a 30 mm bolt circle, and two M3 mounting holes placed on a 25 mm bolt circle.

Don’t worry if only two of the mounting holes, opposite to each other, line up with your mounting bracket or motor plate. Using only two screws is perfectly fine — but as with any metal thread, always use threadlocker.

Mounting Screws

While we include a set of mounting screws with your motor for your convenience, please verify the actual screw length required for your specific model.

As we have no way of knowing which aircraft an individual motor will be installed in, the screws included in the box are generic options and may not be suitable for every installation. If your kit includes dedicated motor mounting screws, please check those first, as they may provide a better fit.

The correct screw length matters:
Using screws that are too long may cause magnetic interference or even create a short inside the motor. Please make sure that the screws do not protrude beyond the motor’s mounting plate by more than approximately one millimeter.

Orientation & Wire routing

When routing the motor wires, avoid using force and do not create sharp bends. This is especially important where the phases exit the base of the motor. Do not bend the wires vertically away from the motor, and do not try to move or reshape the heat-shrinked section.

Also make sure that none of the phases can rub against sharp edges, such as carbon-fiber frame plates. Vibration during operation can cut into the braided sleeves, exposing the wires and potentially causing a short.

Information for helicopters:
In most cases, the correct motor orientation is with the wires exiting towards the side of the helicopter, not directly towards the ESC. This helps avoid sharp bends near the motor and ESC, and also improves serviceability.

Tip: On most trainer-type helicopters, the motor-side connection of the ESC should point towards the front of the helicopter.

Do not shorten motor wires

Trimming the pre-tinned ends of the motor phases to match the depth of your bullet connectors is fine. However, we strongly advise against shortening the motor phase wires themselves.

Trust us on this one — you don’t want to.

Bullet Connectors

Each of our motors comes with three pairs of high-quality gold-plated Amass bullet connectors. These are not cheap bundle items; they have been carefully selected to match our motors and deliver the best possible results.

We strongly recommend using the supplied connectors.