RW-BL1K · Engine & boiler steam set
Steam, complete.
A complete tabletop steam experience, ready for close attention.
Discuss this model
The BL1K at a glance
A distinctive part of the Rocking Whale range.
The RW-BL1K brings a brass steam engine and copper-welded boiler together as a complete working set. The boiler is fitted with a pressure regulating valve, safety valve, pressure gauge, water level gauge and vaporized alcohol burner.
As a complete single-cylinder set, the BL1K offers commercial buyers an accessible all-in-one model for evaluating the Rocking Whale product experience.
- Copper-welded boiler body
- Pressure regulator, safety valve and pressure gauge
- Water-level gauge and vaporized alcohol burner
- Complete Stephenson valve gear for forward operation
Reference data
Technical specifications.
Figures are provided as a selection guide. Specifications are subject to alteration for improvement without notice.
- Set type
- Single-cylinder engine & boiler
- Engine displacement
- 3 cc (1.5 cc × 2)
- Bore
- 12.2 mm
- Stroke
- 12.7 mm
- Speed
- 3000 RPM
- Max. torque
- 600 gf·cm
- Power
- 0.015 HP
- Engine weight
- 445 g
- Recommended boat size
- 50–80 cm
- Engine working pressure
- 2 kg/cm²
- Boiler capacity
- 200 ml
- Boiler weight
- 650 g
- Boiler working pressure
- 2 kg/cm²
- Engine normal working pressure
- 0.5–2 bar
- Engine maximum working pressure
- 3 bar
- Safety-valve pressure
- 2.5–3 kg/cm²
- Pressure gauge range
- 0–7 bar
- Fuel capacity
- 30 ml alcohol (≥95% purity)
- Product size
- 250 × 100 × 163 mm
- Package size
- 277 × 170 × 105 mm
- Net set weight
- 1280 g
- Packed weight
- 1630 g
The BL1K in detail
A closer look at the mechanism.
Product, detail, installation and running photographs from the Rocking Whale workshop.

Commercial resources
Evaluate the details.
Use the current manuals and specifications to review the model. Product materials and commercial information are available through a direct enquiry.
Trade & volume enquiries
Discuss the BL1K.
For distributor evaluation, sample requirements or volume quotations, tell us about your company, market and expected quantity. Rocking Whale will respond directly to discuss the next step.
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