Internal Combustion Engine Plans

We have Petrol Engine Plans, Diesel Engine Plans and Alcohol or Glow Engines Plans - along with a selection of CO2 and Gas powered engines

Due to the large amount of free engine plans available from, we have opened a separate page for IC Engines.

All plans are free to download - please ensure you have the latest version of Adobe Acrobat reader - you will need version 9 to read some of the files on this page


Owl Castings UK

Over the last decade Owl Castings have become one of the UK’s largest producer of full size and scale model castings for live steam locomotives and traction engines. We have cast every possible casting that would be used to build live steam traction engines and locomotives in both ferrous and non-ferrous metals. Our metal castings span brass, bronze and iron, we even work in aluminium. We regularly cast metal components for all scales of live steam locomotives including, 2.5”, 3.5”, 4.75”, 5”, 7.25” and 10.25” also including 45mm narrow gauges.


Two Stroke Glow Engine

Engine Plans Glow Engine Plans and instructions in PDF format, 6 pages that are 604kb in size

Twin Cylinder 4 Stroke Glow Engine

twin Glow Engine Plans in PDF Format, 24 pages - 120kb in size

This is the complete version without missing pages


Four Stroke Petrol Engine Plans

Engine Plans Plans for a 4-Stroke petrol engine in PDF format

Plan set includes:

21 page Engine Plan in PDF format

1 page Fuel Tank Plans in PDF format

21 pages of Auto Cad DXF files

Files are in zipped format 1.7mb in size




Hit and Miss Air Powered Engine

hit and miss engine plans




2 Stroke IC Engine

Shane 2 stroke Plans in PDF format, 10 pages 160kb in size

Plans by Shane Wighton





Whippet - 10cc Compact Four Stroke Petrol Engine

Whippet 10 cc petrl engine plans PDF format Plans in 20 pages with instructions - 725kb in size

By Edgar T. Westbury




Model Gasoline Engine Plans

Gasoline Engine Plans

Plans and instructions for a single cylinder Gasoline Engine

The plans are in PDF format 1.4mb in size

Free Plans for the Model Gasoline Engine - download Here


Whittle V8 4 stroke Aero Engine

Whittle V8 Aero Engine Plans for a V8 4 stroke Aero Engine - Download the full plans and instructions here


Hawk 40 - Glow Engine Plans

Hawk 40 Glow Engine Plans 2 Stroke Aero Engine Plans - Hawk 40 Nitro Glow Engine Plans - download here


Boll Aero Engine Plans

@ stroke Diesel Plans BollAero 2 Stroke Diesel Engine Plans courtesy of Chris Boll (UK) - Download here


The E-B Line Type "N" 4 HP Gas Engine - EMERSON-BRANTINGHAM IMPLEMENT CO. Promotional Brochure

A light weight simple, compact, all-purpose Engine, manufactured to give universal service and run every machine up to engine capacity.

N Type 4HP Engine EB Line N Tpye 4 Horsepower Engine N Type 4 HP General Purpose Engine Advertisment

This is not a plan but many enthusiasts will appreciate the Promotional Brochure used to advertise the Emerson Brantingham Engine - Download the Advertising Handbook here


Marine Gas Engine Twin

Twin Cylinder Marine Engine Plans

Twin Cylinder Marine Racing Engine Plans for Model Power Boats

12 Pages in PDF format 3.0MB in size - Click here to download the plans


Split Single Marine Engine For Model Boats

Split Single Marine Engine Plans Split Single Marine Engine for Model Boats

22 pages in Adobe PDF format which is 2.5MB in size - Click here to download the free IC Engine Plans for model boats





Replica Free Steam Engine Downloads Page


More plans coming soon



Replica Plans Link

Replica Weapon Plans and Information

Replica Browning 50 plans

Replica MG42 Plans