# Weight and Balance

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The IF800 now comes with the Midweight Pro Damping Kit as the standard payload mounting interface. Details such as possible mounting positions and weight limits are seen below.
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## IF800 Pro Damping Kit Positions & Weight Limits

<table data-full-width="true"><thead><tr><th width="232">Position Number and Offset (Distance from Vehicle Center)</th><th width="324.04296875">Figure</th><th>Weight Limit</th><th>Optimal Weight for Balance</th></tr></thead><tbody><tr><td>Position 1 - 125 mm</td><td><img src="https://240141666-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhMePZ0UIa6VYv9VbYu4u%2Fuploads%2F7GMftgIryL6KrpIVn5En%2FScreen%20Shot%202025-03-17%20at%2012.37.58%20PM.png?alt=media&#x26;token=678777a1-072d-496d-8eb8-225db7e16411" alt="" data-size="original"></td><td>1.2 kg (2.6 lbs)</td><td>0.7 kg (1.5 lbs)</td></tr><tr><td>Position 2 - 100 mm</td><td><img src="https://240141666-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhMePZ0UIa6VYv9VbYu4u%2Fuploads%2FIC3sc6MMasdmo2I4czcF%2FScreen%20Shot%202025-03-17%20at%2012.39.02%20PM.png?alt=media&#x26;token=fe487cf4-f7e3-40b5-b528-569a2fb0d538" alt="" data-size="original"></td><td>1.7 kg (3.7 lbs)</td><td>0.9 kg (2.0 lbs)</td></tr><tr><td>Position 3 - 75 mm</td><td><img src="https://240141666-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhMePZ0UIa6VYv9VbYu4u%2Fuploads%2FjQsmKnYLZ98lq9glN7Ty%2FScreen%20Shot%202025-03-17%20at%2012.39.37%20PM.png?alt=media&#x26;token=1d64e1c6-b127-441f-be81-3eddadc31692" alt="" data-size="original"></td><td>1.9 kg (4.2 lbs)</td><td>1.4 kg (3.1 lbs)</td></tr><tr><td>Position 4 - 50 mm</td><td><img src="https://240141666-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhMePZ0UIa6VYv9VbYu4u%2Fuploads%2FpjS60fqPhkShD9zqKRjI%2FScreen%20Shot%202025-03-17%20at%2012.40.09%20PM.png?alt=media&#x26;token=e80b0861-e22b-4bb5-8ca6-a9a9aec2a45a" alt="" data-size="original"></td><td>2.6 kg (5.7 lbs)</td><td>2.4 kg (5.3 lbs)</td></tr></tbody></table>

## Legacy IF800 Payload Mounting

The stock damping plate (shipped prior to Q3 2025) is fixed in Position 2, and is limited to a payload weight of 1.5kg. Please contact IFT to explore Pro Damping Kit upgrade path(s). For instructions on how to remove the legacy damping plate and install the Pro Damping Kit, please watch the video on the [IF800 Midweight Pro Damping Kit](https://docs.inspiredflight.com/inspired-documentation/products/aircraft/if800-tomcat/if800-tomcat-overview/payload-mounting/if800-pro-damping-kits/if800-midweight-pro-damping-kit) page.

<figure><img src="https://240141666-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhMePZ0UIa6VYv9VbYu4u%2Fuploads%2FmQhJWVju6FO0CmcNPbvb%2Fimage.png?alt=media&#x26;token=9b3b5f8c-12e5-41b0-8a04-f73aa4b5951e" alt=""><figcaption></figcaption></figure>