Builders Jetpack
The ideal jetpack for building. (Requires Fabric)
Screenshots
About this Mod
Builders Jetpack
Builders Jetpack is the ideal jetpack mod for building.
Mechanics
The jetpack let's you fly at the cost of fuel, consuming more fuel if you are flying faster.
To start/stop flying, double tap space.
Fuel is shown as percentage in the action bar, and can be inserted into the jetpack by right clicking the jetpack fuel item.
Appearance
When flying, the jetpack emits smoke particles below:
Crafting
You can craft the jetpack itself using 1x copper ingot, 2x copper block, 2x firework of any type, and 1x netherite chestplate in this shape:
You can craft the jetpack fuel item using 1x lava (the bucket will be returned), 2x gunpowder, and 1x leather. This recipe is shapeless.
Available Versions
How to Install Builders Jetpack on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Builders Jetpack". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21, 1.20.1 (+1 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Builders Jetpack server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Builders Jetpack compatible with fabric and quilt?
Builders Jetpack officially supports fabric, quilt for Minecraft 1.21.1, 1.21, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Builders Jetpack – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Builders Jetpack consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Builders Jetpack with just one click on your server.