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.

🚀 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

📦 Requirements

  • Minecraft 1.21.11
  • Fabric Loader
  • Fabric API
  • Java 21

🖥️ Client vs Server

  • 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.


🔧 Installation

  1. Install Fabric Loader and Fabric API for Minecraft 1.21.11
  2. Drop the SlowRockets.jar into your mods folder
  3. Restart Minecraft (and the server, if applicable)

🔗 Compatibility

Designed for Fabric 1.21.11.
Works alongside most mods without issues.

The Slow Rockets Team

profile avatar
  • 4
    Projects
  • 1.7K
    Downloads

More from TopasMusic

  • Village Quest project image

    Village Quest

    • 1.3K
    • Mods

    Village Quest expands village gameplay with a Questmaster, daily and weekly quests, reputation tracks, a pilgrim shop, and special relic items with unique abilities

    • 1.3K
    • April 24, 2026
    • Mods
    • +3
  • Wolkensprung project image

    Wolkensprung

    • 20
    • Mods

    Wolkensprung is a Fabric quest mod for adventure maps and parkour courses. It lets you place quest NPCs, define one or more courses, spawn a personal case/chest target for each runner, and reward players based on their finish time.

    • 20
    • April 4, 2026
    • Mods
    • +2
  • Diamond Rails project image

    Diamond Rails

    • 294
    • Mods

    A Fabric mod that makes minecarts useful as late-game transportation by adding high-speed powered rails. This is a fork of arthomnix’s DiamondRails

    • 294
    • April 3, 2026
    • Mods
    • +1
  • Village Quest project image

    Village Quest

    • 1.3K
    • Mods

    Village Quest expands village gameplay with a Questmaster, daily and weekly quests, reputation tracks, a pilgrim shop, and special relic items with unique abilities

    • 1.3K
    • April 24, 2026
    • Mods
    • +3
  • Wolkensprung project image

    Wolkensprung

    • 20
    • Mods

    Wolkensprung is a Fabric quest mod for adventure maps and parkour courses. It lets you place quest NPCs, define one or more courses, spawn a personal case/chest target for each runner, and reward players based on their finish time.

    • 20
    • April 4, 2026
    • Mods
    • +2
  • Diamond Rails project image

    Diamond Rails

    • 294
    • Mods

    A Fabric mod that makes minecarts useful as late-game transportation by adding high-speed powered rails. This is a fork of arthomnix’s DiamondRails

    • 294
    • April 3, 2026
    • Mods
    • +1