> For the complete documentation index, see [llms.txt](https://onpoynt-1.gitbook.io/stem-ranger-pixhawk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://onpoynt-1.gitbook.io/stem-ranger-pixhawk/untitled-1.md).

# Propellers

**Do NOT install the propellers until you are preparing to fly.**

your kit includes 2 pairs of propellers, 2 rotate clockwise (CW) and 2 counter clockwise (CCW). There are small numbers on the leading edge of each propeller, make sure the number are at the front, in the direction of rotation and that they visible from the top.

![](https://gblobscdn.gitbook.com/assets%2F-MEO7lq4Kq5ASkIEIq52%2F-MEUahuPCJ8MuNDEDt9H%2F-MEUeapsk-2R1ybGGR6y%2FIMG_7945.JPG?alt=media\&token=4b90a0d9-5f3e-4fea-8725-5c1584de6806)

Find the size spacer that fits the motor shaft.

​

![](https://gblobscdn.gitbook.com/assets%2F-MEO7lq4Kq5ASkIEIq52%2F-MEUahuPCJ8MuNDEDt9H%2F-MEUfALXWdLlcp75xj92%2FIMG_7946.JPG?alt=media\&token=0db6ea3f-b542-4f7c-8497-c140913b6ce3)

Press the propeller down on top of the spacer.

![](https://gblobscdn.gitbook.com/assets%2F-MEO7lq4Kq5ASkIEIq52%2F-MEUahuPCJ8MuNDEDt9H%2F-MEUgVNTy9ZiJ8eZTD-7%2FIMG_7950.JPG?alt=media\&token=fe5cd181-c563-4986-832d-7f01e22457a4)

Note the numbers on the top of the propeller.

![](https://gblobscdn.gitbook.com/assets%2F-MEO7lq4Kq5ASkIEIq52%2F-MEUahuPCJ8MuNDEDt9H%2F-MEUjIVetzDKRp4rV31-%2FIMG_7956.JPG?alt=media\&token=36f2ec7a-72af-4de6-8430-ba956ba5b36d)

![](https://gblobscdn.gitbook.com/assets%2F-MEO7lq4Kq5ASkIEIq52%2F-MEUahuPCJ8MuNDEDt9H%2F-MEUjz2CpdLVRlH39XsP%2FMOTORS_QuadX_QuadPlus.jpg?alt=media\&token=69503207-7980-426c-b786-ccc7f2ea6a7d)

Make sure the leading edge with the numbers on the edge are in the direction of motor rotation.

​

​

​


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