VORTRIXE RW-V4 Mini V-Shape 4-Cylinder Reciprocating Steam Model Engine for 90-150cm Steamships

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Building a Mini Steam Engine from Parts | Satisfying Mechanical Assembly
Building a Mini Steam Engine from Parts | Satisfying Mechanical Assembly
EngineCannon
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VORTRIXE RW-V4 Mini V-Shape 4-Cylinder Reciprocating Steam Model Engine for 90-150cm Steamships

Product Information:

RW-V4 mini 4-cylinder steam engine—vintage, reversible, and precisely crafted for 90–150cm steam ship models. A functional masterpiece for collectors and DIY boat enthusiasts.

- Top-Tier Design, Compact and Powerful:
As a flagship model in the RW series, it features a unique V-type four-cylinder structure. The twin cylinder banks operate on a coaxial system, maximizing both spatial efficiency and power output. Perfect for applications with strict space and performance requirements, such as industrial equipment and high-end model building.

- Upgraded Precision, Reliable Stability:
Compared to twin-cylinder models, this version upgrades the welded rocker arm to a CNC-machined one and adds a brass sleeve bearing to the reversing shaft. Combined with a die-cast brass body, stainless steel liners, and precision CNC-machined components, the redesigned reversing mechanism ensures smoother, more reliable operation.

- Outstanding Performance with Strong Torque:
The V-four configuration delivers ultra-smooth operation, with high torque and powerful output. It runs as smoothly as an electric motor with minimal torque fluctuations—perfect for driving large model ships, precision machinery, or for use as a power demonstration model. Its performance far surpasses that of comparable products.

- Flexible Control with Bi-Directional Rotation:
Equipped with a complete Stephenson valve gear, the engine supports both forward and reverse rotation. This allows for seamless directional switching, meeting diverse operational needs whether in complex mechanical systems or dynamic model displays—greatly improving overall usability.

- Rigorous Standards, Quality Guaranteed:
Each part undergoes strict testing and selection, and every unit is assembled and calibrated by experienced technicians. Factory-tested before shipment to ensure peak performance. From individual components to the complete machine, quality is strictly controlled to provide a long-lasting, premium-grade engine for professionals and advanced hobbyists.
Model RW-V4
Material Brass + Stainless Steel
Displacement 12cc (1.5cc*2*4)
Cylinder diameter 12.2mm
Stroke 12.7mm
Maximum speed 2800rpm
Maximum torque 2000g/cm
Power 0.05hp
Pressure 2kg/cm2
Applicable Ship Type 90-150cm
Product Weight 1210g
Package Weight 1500g
Product Dimensions 12.2 x 11.7 x 10.5cm
Package Dimensions 18 x 14.5 x 10cm
Packing Box
Ages 16+
Package Content V4 Steam Engine ×1; Manual ×1
Orders are usually processed and shipped within 1–3 business days. Delivery time may vary depending on your location. Please refer to our Shipping Policy page for more information.
We offer a 30-day return window for items that are unused and in original condition. If you’re not satisfied with your order, please contact our support team to begin the return process. Conditions and exclusions may apply, as explained on our Refund Policy page.
Yes, we offer international shipping worldwide. Please refer to the Shipping Policy page for more information.
Once your order ships, a tracking number will be sent to your email. You can use it to check your package status. If you need help, feel free to contact our support team.
We accept major credit cards (Visa, Mastercard, American Express) and PayPal. At this time, we do not support cash on delivery or personal checks.

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