Raft Wiki
Raft Wiki
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Following is a comparison of the running and stuttering Engine:
Following is a comparison of the running and stuttering Engine:
If an Engine is not working properly, it can be caused by the following:
If an Engine is not working properly, it can be caused by the following:

Revision as of 15:49, 4 March 2021

Click here to see information about this file Engine
Allows you to go in different directions and increases your speed.
Metal Ingot.png
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Engine is a Navigation item in Raft.


The Engine is acquired through the Blueprint: Engine found on the Vasagatan. After researching the blueprint, players may build and place an engine in order to sail against the wind. Used in combination with the Steering Wheel, the player gets full control of which direction they wish to sail. One Engine can push a raft of up to 100 Foundations. For each set of 100 Foundations over the initial 100, another Engine must be built and run simultaneously in order for them to have enough power to sail the raft. Note that Collection Nets do not count towards number of Foundations.

The Engine runs on Planks or Biofuel. While using Planks, the Engine will burn through a single plank in 36 seconds and a full tank of 17 planks in exactly 600 seconds (10 minutes instead of 612 seconds due to overfill). A single Biofuel is worth 17 planks in Engine runtime if put directly into the Engine and 20 planks if fed from a Tank, but also requires Honey making it a harder fuel to obtain. However, Biofuel can be stored in Biofuel Tanks and connected to the Engine through Fuel Pipes automating the process of filling the Engine with fuel. A Biofuel Tank can be filled with four Biofuel canisters and can power a single engine for a total of 48 minutes (approximately 2.4 (no sleeping) to 3.6 (max. sleeping) in-game days - see Clock).

If the Engine is unable to push the Raft, whether if it's anchored or overburdened, it will slow down to a stop while simultaneously stuttering indicating something is wrong. No fuel is used during this time, despite the Engine being on.

Following is a comparison of the running and stuttering Engine:

Show/Hide Video
Show/Hide Video

If an Engine is not working properly, it can be caused by the following:

  • Too many Foundations. An Engine can push up to 100 foundations. Make sure that the amount of Engines covers the amount of Foundations.
  • The raft is anchored. Make sure no anchors are currently holding the raft in place.
  • One or more Engines lacks fuel. Check fuel level on all Engines.
  • The Engines are going in opposite directions. Check the Engine direction lever and make sure they match.


The Engine follows a few parameters when it comes to deciding the speed of the raft[1].

The first parameter regards sailing speed of the raft when using Engines, which is always valued between 1.5 and 2.5, and can never exceed these numbers. A single Engine will push the raft at a speed of 2, and adding an additional Engine will increase the speed of the raft to 2.5.

The second parameter regards overburdening the raft. As mentioned above, a single Engine can move up to 100 Foundations, however there is a 'Slow Zone' between 101-110 Foundations(per engine) where the Raft will still sail, but at reduced speed. This speed is defined as 1 per engine. If only 1 engine is being used, and it is in the 'Slow Zone', the speed will be set to the minimum of 1.5.

The third and last parameter looks for the relation between number of Foundations and number of Engines. There are basically three Engine speed settings in Raft, disregarding drifting. Slow sailing (1.5), when a single Engine can push the raft but at minimum speed before stopping completely. Medium speed (2), achieved by using a single Engine on a raft under 100 foundations, or by using 2 Engines in the 'Slow Zone'(201-220 Foundations). High speed (2.5), when a raft has multiple Engines which are successfully sailing the raft. Since Engine speed is additive when running multiple Engines at the same time, high speed is always achieved once the raft is successfully sailing with at least 3 engines, but not if the raft is overburdened.


  • Place on the raft and turn on to sail in a desired direction.
  • Use with a Steering Wheel to fully control direction.


  • The Engine has a fuel capacity valued at 50, while one Biofuel fills a value of 60. As such, pouring Biofuel directly into the Engine's tanks will waste 10 units of fuel. To prevent this, the player must use a Biofuel Tank.


Early Access
Update 10 Engine added to the game.