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Mini Inline Double Cylinder Swing Steam Engine Model for RC Boats under 40cm

( reviews)
$83.99 USD
1 / 4

Mini Inline Double Cylinder Swing Steam Engine Model for RC Boats under 40cm

220212049
( reviews)
$83.99 USD
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Mini Inline Double Cylinder Swing Steam Engine Model for RC Boats under 40cm

Hero Section: High-Speed Power in the Palm of Your Hand
Size isn't everything, especially when it comes to precision engineering. This Mini Inline Double-Cylinder Swing Steam Engine is a marvel of miniaturization. Designed to sit comfortably in the palm of your hand, it packs a surprising punch. Whether you are looking to power a delicate retro scale boat or simply want a high-speed mechanical jewel to display on your desk, this engine offers the perfect blend of aesthetic beauty and raw, high-RPM performance. It’s not just a model; it’s a testament to the fact that great things come in small packages.

Why Choose This Mini Swing Engine?

  • Perfect for Micro-Marine Projects: Finding a steam engine small enough for boats under 40cm is a challenge. This engine is purpose-built for the task. Its compact footprint allows it to fit into tight hulls where larger engines simply can't go.
  • High-RPM "Swing" Action: Unlike standard slide-valve engines, this "oscillating" (swing) design is built for speed. Capable of exceeding 3000 RPM at 0.4MPa, it provides the high-frequency buzz and propeller speed needed for small, agile vessels.
  • Jewel-Like Aesthetics: Crafted from a combination of polished brass and aluminum alloy, the contrast between the gold and silver tones makes it a stunning visual piece. It shines under the light, making it a worthy addition to any collection case.
  • Simple yet Robust: The oscillating cylinder design has fewer moving parts than complex valve engines, making it more reliable and easier to maintain for beginners entering the world of steam.

Technical Highlights: The Oscillating Advantage

  • Valveless Efficiency: This engine utilizes an "oscillating cylinder" mechanism. The cylinders themselves rock back and forth to align with intake and exhaust ports. This clever design reduces friction and complexity, allowing for higher rotational speeds.
  • Inline Twin Power: By using two cylinders in an inline configuration, the engine provides smoother power delivery and self-starting capability compared to single-cylinder versions.
  • Material Mastery: The main structure uses aluminum alloy for lightweight strength, while critical components are made of brass to ensure durability and heat resistance.

Specifications

  • Type: Inline Double-Cylinder Oscillating (Swing) Steam Engine
  • Material: Brass / Aluminum Alloy
  • Bore: 6mm
  • Stroke: 9mm
  • Weight: 85g
  • No-Load Speed: >3000 RPM (@ 0.4MPa)
  • Power Source: External Steam Boiler (Not Included)
  • Recommended Boat Size: < 40cm Length
  • Dimensions: Compact Palm-Size

Usage Scenario: The Pond Racer
You have a vintage-style 30cm wooden launch hull that’s been sitting on your shelf. You install this mini twin-cylinder engine, connecting it to a small boiler. As pressure builds, you flick the flywheel. The engine instantly screams to life—a high-pitched mechanical hum unique to high-speed swing engines. On the water, the boat zips across the pond, leaving a wake that defies its small size. It’s a thrilling combination of speed and steam.

Important Tips from the Workshop

  • Boiler Required: Please note, this is the engine only. You will need to connect it to a separate boiler (sold separately) to run.
  • Lubrication is Critical: Because this is a "swing" engine, the flat face where the cylinder rubs against the main block must be kept well-oiled. Use a high-viscosity steam oil to maintain a seal and prevent wear.
  • Break-in Period: Run the engine on compressed air or low steam pressure for short bursts initially. This allows the mating surfaces to "bed in," ensuring a tighter seal and higher performance in the long run.
  • Propeller Matching: Due to its high RPM nature, pair this engine with a smaller, high-pitch propeller rather than a large, slow one.

Customer Support
Micro-steam modeling requires precision. If you need advice on selecting a matching boiler, tubing sizes, or installation tips, our expert team is here to assist. Contact us at service@helloworld7.com.

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