TOYAN FS-B400 Introduces

The Horizontally Opposed Engine: A Historical Perspective

The horizontally opposed engine, also known as the flat engine, is a well-established layout for internal combustion engines with a history dating back to the late 19th century. The earliest horizontally opposed engine made its appearance during the early development of automobiles. In 1886, German engineer Karl Benz, credited with inventing the world’s first mass-produced car, introduced a groundbreaking innovation. His creation featured a horizontally opposed four-stroke internal combustion engine. Notably, this engine symmetrically arranged the cylinders on both sides of the central vehicle line, with the crankshaft situated below the engine, connecting to the wheels through connecting rods. Thanks to its compact structure and smooth operation, this engine quickly became the industry standard in automotive manufacturing during that era.

Classic Horizontally Opposed Engines

As automotive technology continued to advance, the horizontally opposed engine found widespread use in small cars, mid-size cars, and luxury vehicles. Among horizontally opposed engines, a few have achieved classic status:

  1. Subaru Boxer Engine
  2. Porsche Flat-Six Engine
  3. Ferrari Flat-12 Engine

These horizontally opposed engines are renowned for their unique characteristics and advantages, earning praise from both automotive enthusiasts and the industry. Their design and engineering contribute to improved balance, handling, and overall driving experiences, solidifying their place in automotive history.

Introducing the TOYAN FS-B400 Horizontally Opposed Four-Cylinder Engine

After a year of development, the TOYAN FS-B400 horizontally opposed four-cylinder water-cooled micro engine is set to launch. This engine meticulously replicates essential elements from the Porsche 911 Type 901 air-cooled horizontally opposed engine of 1964, perfectly capturing the distinctive features of the air-cooling radiator.

The TOYAN FS-B400 is designed for miniaturization, featuring an extended camshaft and reserved space for ignition components, making fuel utilization convenient. Dual belt pulleys and a synchronized tensioning mechanism enhance operational stability. The redesigned starting mechanism includes a compact tensioning design to ensure secure belt engagement, preventing slippage and tooth skipping, thereby extending the starting belt’s lifespan.

One of the most distinctive features is the air-cooling radiator design, offering both aesthetic appeal and practical advantages. The radiator’s fan can reach a maximum speed of 9000 RPM, providing the engine with efficient heat dissipation and stable power output. As the first micro engine of the horizontally opposed type, this innovative design promises to offer enthusiasts a fresh and unique experience.

The product launch includes a horizontally opposed four-cylinder engine available in parts for display and assembly. For pre-assembled finished versions, please contact us directly.

The TOYAN FS-B400 represents a blend of historical inspiration and cutting-edge design, bringing the classic horizontally opposed engine into the hands of model engine enthusiasts.