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# Load Ratings

## PlanetaryX

### Static Load Ratings

The following torque measurements are for a static load condition. The torques listed are for the output of the stage.

| Cartridge       | Max Torque          |
| --------------- | ------------------- |
| 3:1             | 320 Nm (No Failure) |
| 4:1             | 320 Nm (No Failure) |
| 5:1             | 310 Nm (Failure)    |
| 1/2" Hex Output | 320 Nm (No Failure) |

### Cartridge Load Ratings

The following chart shows which gear cartridge configurations are allowable with different motors. Cells shown in <mark style="color:$success;">**GREEN**</mark> are allowed and cells shown in <mark style="color:$danger;">**RED**</mark> are not allowed.

{% hint style="warning" %}
Cantilevered loads on the output shaft put additional stress on the gearbox and can reduce its torque capacity. Shock loads may exceed the gearbox's rated limits, even when the steady-state torque is within the allowable range.
{% endhint %}

{% hint style="warning" %}
These load ratings are based on the default current limits of the TalonFX and a single Kraken X60. <mark style="color:$warning;">**We do not recommend exceeding 125:1 overall reduction**</mark> on a PlanetaryX assembly. At reductions above 125:1, the 5:1 stage has a factor of safety below 1.1.
{% endhint %}

<figure><img src="https://3780174091-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FHsaEh283Wbjq6h8k68Rq%2Fuploads%2FzCdbdO7y9A9bHaF8moZc%2FPX%20Load%20Ratings%20Sheet.svg?alt=media&amp;token=8d53bf4f-35cd-4946-94a9-db2b149045f0" alt=""><figcaption></figcaption></figure>


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