Add a fuel engine to your elytra!
Craft your Elytra Steamer with: blast_furnace + lava_bucket + elytra ON a crafting table.
Craft Gas Station to refuel: dispenser + lava_bucket + coal_block. Stand in the area with your steamer OFF to refuel.
Manage your fuel carefully, or it will burn in a instant!
Turn ON/OFF the steamer system to keep your fuel intact, and stop spreading smokes and noises!
N°1: Jetpack mode. Used for vertical moves. Sneak to thrust, and jump once to go up.
N°2 Submersive. Used underwater. Sneaking underwater also grant movement speed, but at a high maniability cost!
N°3 Plane mode (fighter). Used for horizontal moves. Sneak, gliding with an elytra to get some speed effects.
Thrusting OFF and ON, at >80% of max speed will trigger a burst of speed (and fuel consumption).
Ingame options menu to modify your experience.

Fly at hight speed in your world, spreading smokes using the Elytra Steamer! Craft Gas Station to refuel. Multiplayer compatible!