Horizontal steam engine for RC boat

Alex Steam Engine – Model Boats with Vertical or Horizontal Boiler

The Alex steam engine for model boats is the result of many years of experience in the design of steam engines for radio-controlled ships. Manufactured in Germany with modern CNC technology, it combines authentic appearance, absolute reliability, high power output and maximum safety. Unlike competing products from low-cost countries, it offers superior performance and durability, ideal for demanding model boat enthusiasts.

A reliable and efficient steam engine

Available in two versions – vertical or horizontal boiler – the Alex steam engine easily powers ship models up to around 10 kg. Compact and elegant, it fits perfectly into smaller or narrower vessels, providing realistic and efficient propulsion.

A complete, ready-to-use kit

Each machine is delivered fully assembled and painted, carefully tested and adjusted for immediate use. The set includes:

The engine with adjustable oiler and reversing valve (forward/reverse, speed control)
The boiler with safety valve, water level indicator, pressure gauge and steam shut-off valve
A chimney with exhaust pipe
A gas burner with hose and exhaust steam condenser
Boiler cladding strips and all connecting pipes

Available references

Ref. 22300: Alex vertical steam engine with vertical boiler and condenser
Ref. 22301: Alex horizontal steam engine with horizontal boiler and condenser

Necessary accessories

Ref. 22313: Gas tank
Ref. 22316: Gas filling adapter

Useful accessories

Ref. 60100: Special steam engine oil

Technical specifications

Bore: 10 mm
Stroke: 14 mm
Base plate length: 180 mm
Total width: 90 mm
Boiler diameter: 70 mm
Boiler height: 130 mm
Total height: 250 mm
Weight: 1580 g
Shaft: 4 mm
Shaft height: 12 mm