# APC 9x4.5E electric propeller

> What are the dimensions of the APC 9x4.5E electric propeller?

- Category: RC planes › Propellers
- Kind: Modern device
- Basis: Secondary source: Retailer copy of APC Propellers data (copy of the maker's figures; the maker publishes none directly)
- Page: https://xemstudio.com/objects/apc-9x4-5e-propeller/ · JSON: https://xemstudio.com/api/geometry?object=apc-9x4-5e-propeller · Plain text: https://xemstudio.com/objects/apc-9x4-5e-propeller/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 228.6 | 228.6 | 9.65 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Hub, bore and weight for the APC 9x4.5E as listed by a retailer from APC's product data (secondary).
- The file models the hub and the swept diameter for clearance checks, not the blade airfoil.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

## Sizes

| dimension | value |
|---|---|
| Diameter | 9 in (228.6 mm) |
| Pitch | 4.5 in (114.3 mm) |
| Hub diameter | 20.32 mm |
| Hub thickness | 9.65 mm |
| Shaft bore | 1/4 in (6.35 mm), adapter rings included |
| Weight | 17.86 g |

## Where the files are

- Retailer copy of APC Propellers data: [APC 9x4.5E Prop (ReadyMadeRC)](https://www.readymaderc.com/products/details/apc-9x4-5e-prop) — web — Publisher's page; dimensions are facts

## Free STEP/STL (2 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/apc-9x4-5e-propeller/index.json

- apc-9x4-5e-propeller-hub: [STEP](https://xemstudio.com/files/hardware/apc-9x4-5e-propeller/apc-9x4-5e-propeller-hub.step) · [STL](https://xemstudio.com/files/hardware/apc-9x4-5e-propeller/apc-9x4-5e-propeller-hub.stl) — Hub Ø20.32 × 9.65 mm, Ø6.35 mm bore (published)
- apc-9x4-5e-propeller-swept-disc: [STEP](https://xemstudio.com/files/hardware/apc-9x4-5e-propeller/apc-9x4-5e-propeller-swept-disc.step) · [STL](https://xemstudio.com/files/hardware/apc-9x4-5e-propeller/apc-9x4-5e-propeller-swept-disc.stl) — Swept disc Ø228.6 mm (prop diameter), 1 mm reference — blades not modelled

## Questions

**What is the hub size of an APC 9x4.5E?**

Hub Ø20.32 mm × 9.65 mm thick, 6.35 mm (1/4 in) bore.

## Fits with

- [RC plane outrunners (2212, 2216, 2826, 3508, 4110, 6374) and car inrunners (540 / 3650, 4274, 1/8 scale)](https://xemstudio.com/objects/rc-plane-and-car-motors/)
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