RW-BL1K Mini Reversible Reciprocating Single-Cylinder Live Steam Engine Kit with Boiler DIY Kit

RW-BL1K Mini Reversible Reciprocating Single-Cylinder Live Steam Engine Kit with Boiler DIY Kit for Steam Boat Collectors

Flash Deals Info.:

Early Bird Price: Save 20% OFF Automatic! Only $319.99! 

Warm Tips:

Buy First, Enjoy First: RW-BL1K Steam Engine Kit with Boiler is FOR SALE now! 
Good Quality Takes Time: we strive to make it great before shipping it out. We are thankful to your kind understanding and support always!
About the delivery: the orders will be shipped out at the end of September. More details, please email at service@enginediy.com! Much appreciated for your interest and support!

Product Information:

Discover the charm of classic engineering with the RW-BL1K Retro Miniature Reciprocating Single-Cylinder Steam Engine and Boiler Model Kit. This precision-crafted KIT version features a complete working steam engine and boiler system, capable of forward and reverse operation. Designed for enthusiasts, collectors, and DIY hobbyists, it offers a hands-on experience of traditional steam power.

Premium Copper Boiler with Full Safety Features: 

Constructed from fully welded brass, the boiler is equipped with a pressure regulator, safety valve, pressure gauge, and water level indicator to ensure stable and secure operation. Compatible with both single-cylinder and twin-cylinder RW series steam engines for versatile use.

Sturdy Die-Cast Brass Engine with Vintage Appeal: 

The engine body is made from die-cast brass, featuring a stainless steel cylinder liner for excellent heat resistance and wear durability. Combines classic steam-era aesthetics with robust, long-lasting performance.

Precision CNC Machining for Smooth Operation: 

Key components are crafted using high-precision CNC machining. The flywheel is supported by ball bearings, ensuring smooth, stable rotation and extended service life — a testament to professional engineering standards.

Stephenson Valve Gear with Forward/Reverse Control: 

Equipped with an authentic Stephenson valve gear mechanism, the engine supports both forward and reverse operation. The compact, flexible structure faithfully recreates 19th-century steam power dynamics.

DIY Assembly & Collectible Value: 

This KIT version includes all necessary parts and tools for hands-on assembly. Comes with an alcohol burner for real steam operation, making it a perfect project and display piece for mechanical enthusiasts, students, engineers, and collectors.

More Details:

.Model: RW-BL1K
.Material: Brass + Stainless Steel
.Steam Engine Dimensions: 77 x 58 x 98mm
.Steam Engine Weight: 445g
.Displacement: 3cc (1.5cc*2)
.Cylinder Bore: 12.2mm
.Stroke: 12.7mm
.Maximum Speed: 3000rpm
.Maximum Torque: 600g/cm
.Power: 0.015hp
.Threaded Connector: M7*0.75mm
.Boiler Weight: 700g
.Boiler Capacity: 200ml
.Fuel: 50mL of ethanol
.Safety Valve Pressure: 2.5-3kg
.Working Pressure: 2 kg/cm²
.Pressure Gauge Range: 0-7 bar (kg/cm²)
.Applicable Boat Size: 50-80 cm
.Product Weight: 1200g
.Package Weight: 1500g
.Product Dimensions: 25 x 10 x 16.7cm
.Package Dimensions: 20 x 20 x 20cm
.Packing: Gift Box
.Ages: 16+

Packing List:

.Steam Engine Parts *1set
.Boiler Parts *1set
.Base *1set
.Tool Set *1set
.Instruction Manual *1

Product Background:

This miniature steam engine and boiler kit is inspired by the classic steam power systems of the 19th-century Industrial Revolution—an era filled with mechanical wonders and engineering dreams. It was a time when steam engines first powered machines on a large scale, driving the rapid development of textile mills, steamships, factories, and railways, forever changing the course of human civilization.

To pay tribute to this monumental milestone in the history of engineering, we have designed and developed this scaled-down model of a brass boiler and steam engine, faithfully recreating the structure and operating principles of that era. This is not merely a collectible model or DIY toy—it is a fully functional miniature steam-powered machine, a piece of history that fits in the palm of your hand.

The design follows the classic layout of 19th-century steam engines, integrating detailed components such as a boiler, pressure gauge, water level indicator, and safety valve. Modern CNC machining ensures both mechanical beauty and operational safety. The engine body is made from die-cast brass with an internal stainless steel cylinder liner for durability and wear resistance. It also features the historically significant Stephenson valve gear, widely used in steamships and locomotives, allowing for both forward and reverse operation—beautifully showcasing the rhythm of mechanical motion.

The brass boiler blends traditional welding craftsmanship with modern numerical control manufacturing, combining vintage charm with safety features. The flywheel is supported by ball bearings for smooth rotation, and the use of precision CNC parts reveals the captivating beauty of steam power.

This is a fully operable, fireable, and disassemblable precision model that comes with all the necessary assembly tools. It allows mechanical enthusiasts and collectors to personally build, ignite, and operate it—reliving the golden age when steam was king. It’s not only a tribute to a great era of engineering but also a gift that inspires hands-on exploration and a passion for the beauty of mechanics.

Questions about Shipment Q1 : Do you ship worldwide?A1 : Yes, we can ship worldwide.
Q2 : Where you ship goods from?A2 : Our warehouse is located in China, the goods will be shipped from China mainland.
 
Q3 : What is the shipping cost?A3 : For giving customer good shopping experience, we offer free international shipment.
 
Q4 : What is the shipping time?A4 : For expected delivery date, please check in this page: Expected Delivery TimeQ5 : How do I track my package?A5 :You can track your order on 17track.net . Or if you need a team members help check up please contact with our service team service@enginediy.com and we will be in touch with a status update.
 
Questions about Payment & OrderQ1 : What payment terms you can accept?A1 : For payment, we accept Paypal and Credit Card.
 
Q2 : My payment was declined, why? How to solve it ?A2 : If you made the purchase via Credit Card and failed, could you please contact with Stripe Support Team for solution? Or if the issue can be solved, please no worry, we accept Paypal payment as well.
 
Q3 : How do I cancel my order?A3 : For the order, if not shipped out yet, please contact with our Service Support Team service@enginediy.com , we will cancel your order and give you full refund.
 
Q4 : Is my information is securing using this site?A4 : Yes, Enginediy.com takes precautions to protect your personal information. When you submit sensitive information via the website, your information is protected both online and offline. Please don’t worry for this.
 
Q5 : What if my address is wrong?A5 : If the recipient's address was wrong, after the failed delivery, the parcel should be returned back to sender. After we receive the parcel, we will contact you for an updated address and arrange the new shipment.
 
Questions about Return & RefundsQ1 : What items are returnable?A1 : a)- We can accept returns or exchanges within the 30-day period. b)- All returned items must be in the original condition: unused, unwashed, and unworn. No exceptions.
Q2 : How do I return a product?A2:Contact with Enginediy Service Team service@enginediy.com to confirm details to make sure the item is meet the return condition. After the agreement, Service Team will send the detailed return information, please offer return tracking number after return shipment.Q3 : What is you refund policy?A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
 
Q4 :How will you refund me?A4 : The refund are applied to the original payment method.