Slow Rockets
Slow Rockets is a Fabric mod for Minecraft 1.21.11 that reduces Elytra firework boost speed (about 80% slower) while keeping normal gliding untouched. It adds fun action‑bar messages and can require the mod on clients to join a server.
About this Mod
🚀 Slow Rockets
A lightweight Fabric mod that specifically nerfs Elytra firework boost speed without changing normal Elytra gliding.
Perfect for servers or worlds that want to balance Elytra travel without removing rockets entirely.
✨ What It Does
Slow Rockets reduces only the firework boost applied to Elytra flight.
Normal Elytra gliding speed stays 100% vanilla
Only the acceleration from fireworks is slowed
Displays a short action-bar message with a cooldown for extra feedback
🧩 Features
🚀 Reduces Elytra firework boost speed by ~80%
🕊️ Leaves normal Elytra gliding speed unchanged
💬 Action-bar messages with a cooldown
🔒 Optional server enforcement: block clients without the mod
Client only
Install on the client if you just want the boost nerf locally.
Client + Server
Install on both if you want to require the mod to join a server.
Works alongside most mods without issues.
Available Versions
How to Install Slow Rockets 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 (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "Slow Rockets". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 26.1.1, 1.21.11
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Slow Rockets 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 (26.1.2). You can switch loaders with one click in the panel.
Is Slow Rockets compatible with fabric?
Slow Rockets officially supports fabric for Minecraft 26.1.2, 26.1.1, 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Slow Rockets – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Slow Rockets 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.
Rent Modded Server
Install Slow Rockets with just one click on your server.