B2
Steam boiler unit
A compact boiler assembly with the hardware in clear view.
Precision Steam.
Built to Stand Apart.
Rocking Whale (RW) is a model steam-engine brand with a focused range for specialist distributors, retailers, volume buyers and serious builders.
- 01Distinctive brass engineering
- 02A focused seven-model range
- 03Direct brand support
The Rocking Whale range
A distinctive range for specialist markets.
From compact twin-cylinder engines to complete engine-and-boiler sets, the Rocking Whale range gives distributors and specialist retailers multiple entry points for different customers, projects and applications.
Explore by application
Find the right model steam installation.
Model steam enginesCompact, twin-cylinder and V4 working miniature engines. ↗Model boat steam enginesCompare engine layouts and published boat-size guidance. ↗Complete model steam plantsExplore model steam engine and boiler sets. ↗Model steam boilersSteam supply for compact miniature engine installations. ↗
A brand built on mechanical character
Made to perform.
Designed to stand out.
- 01Recognizable brass design
A coherent mechanical identity across engines, boilers and complete steam sets.
- 02Precise working mechanisms
CNC-machined components, supported crankshafts and visible valve gear across the range.
- 03Direct product support
Current specifications, manuals and product information for commercial evaluation.
In motion
See Rocking Whale at work.
Watch an RW steam engine drive a working fan — a simple demonstration of visible engineering, mechanical motion and the character of live steam.
Community in motion
See the community at work.
A selection of public YouTube videos published by third-party creators, from workshop builds to model-boat runs.
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Rocking Whale V-2 Steam engine & GL003 Boiler review
Published by Lawrie's Mechanical Marvels
Creator disclosure -
Rocking Whale RW-L2 Slow Motion
Published by Kmot
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Building the Rocking Whale Miniature Steam Engine (Will it Run?)
Published by Blue Heeler's Model & Toy Steam Engine Room
Creator disclosure -
Rocking Whale-BL1K Mini Steam Engine Kit
Published by Model Steam
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How I Built My Own Mini Steam Engine! The StirlingKit Rocking Whale
Published by Toy Train Tips And Tricks
Creator disclosure -
This TINY steam engine is SO SATISFYING to assemble! Anyone can build and run it! RW-BL1K
Published by Stuart's Shednanigans
Creator disclosure -
Very nice RC steam launch with a Stirlingkit RW-V2 has a run on the pond
Published by PirateFleetAU
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RW-BL1K Miniature Steam Engine Plant Modifications & running a Blue Thunder Generator & Light
Published by Blue Heeler's Model & Toy Steam Engine Room
Creator disclosure -
This Cheap Chinese Steam Engine is Actually GOOD?! | Stirlingkit RW BL1K Review
Published by Fletch On Steam
Creator disclosure
Product evaluation
Compare the range.
All models at a glance
| Model | Type | Configuration | Key characteristic |
|---|---|---|---|
| B2 | Steam boiler unit | Modular boiler assembly | Brass fittings and copper pipework |
| BC2 | Engine & boiler steam set | Mounted tabletop assembly | Engine and boiler on a shared base |
| BL1K | Engine & boiler steam set | Single-cylinder engine & boiler | Copper-welded boiler and alcohol burner |
| BL2 | Engine & boiler steam set | Twin-cylinder mounted set | Twin-cylinder brass engine on a finished base |
| V2 | Steam engine | 90° twin-cylinder | Compact twin-cylinder footprint |
| L2 | Steam engine | Inline twin-cylinder | Six-bearing crankshaft support |
| V4 | Steam engine | V4-cylinder | Flagship four-cylinder configuration |
Engine performance
| Model | Displacement | Max. torque | Recommended boat size |
|---|---|---|---|
| BL1K | 3 cc | 600 gf·cm | 50–80 cm |
| V2 | 6 cc | 1200 gf·cm | 70–130 cm |
| L2 | 6 cc | 1200 gf·cm | 70–130 cm |
| V4 | 12 cc | 2000 gf·cm | 90–150 cm |
Use the reference figures to compare core models. For current specifications, manuals, product materials and commercial information, contact Rocking Whale directly.
Built for specialist attention
A brand your customers
will remember.
Wholesale & distribution enquiries
Let’s build the market together.
If you represent a distributor, specialist retailer, online store or volume buyer, tell us about your company, market, models of interest and expected order requirements. We’ll respond directly to discuss the next step.
[email protected] ↗