Simplex Automatic 1949 - Specifications & Review

The 1949 Simplex Automatic: A Classic Touchstone of American Motorcycling

The 1949 Simplex Automatic stands as a charming relic of post-war motorcycle engineering, designed for riders seeking a blend of accessibility and practicality. Nestled within the allround category, this bike was aimed at the burgeoning American market, appealing to both the novice and the experienced rider. With its distinctively compact design and functional engineering, the Simplex Automatic embodies the spirit of freedom and adventure that characterized the motorcycle culture of its time.

At the heart of the Simplex Automatic lies its unassuming yet robust single-cylinder, two-stroke engine, boasting a displacement of 130cc. With a modest power output of 4 horsepower at 4,000 RPM, this machine may not win any speed races, but it certainly delivers a unique riding experience. The engine's 6.5:1 compression ratio and efficient Tillotson carburettor provide a smooth and reliable throttle response, perfect for cruising through town or embarking on leisurely weekend rides. The bike's lightweight construction—tipping the scales at just 61.2 kg (135 pounds)—allows for nimble handling and maneuverability, ensuring that riders can easily navigate urban environments and winding roads alike.

The Simplex Automatic incorporates several key features that enhance its appeal and functionality. The duplex loop frame not only provides strength but also contributes to the bike’s unique aesthetic. The front suspension, equipped with short rocker arms and two coil springs, offers a comfortable ride, while the rigid rear suspension maintains stability and simplicity in design. Notably, the final drive system utilizes a belt, which minimizes maintenance needs and contributes to the overall ease of use. With a fuel capacity of 9.46 liters (2.5 gallons), the Simplex offers riders the ability to explore without constant stops for refueling.

#### Pros and Cons of the 1949 Simplex Automatic

Pros:

1. Lightweight and Nimble: Weighing only 61.2 kg (135 pounds), the Simplex Automatic is exceptionally easy to handle, making it ideal for new riders and urban commuting.
2. Simplicity in Design: The belt final drive and rigid rear suspension reduce maintenance requirements, allowing riders to enjoy more time on the road and less in the garage.
3. Unique Character: The vintage aesthetic and distinctive engineering of the Simplex Automatic offer a nostalgic ride that appeals to collectors and enthusiasts alike.

Cons:

1. Limited Power Output: With only 4 horsepower, this motorcycle may not satisfy those looking for high-speed thrills or long-distance touring capabilities.
2. Rigid Rear Suspension: While contributing to the bike's simplicity, the rigid rear can lead to a less comfortable ride on uneven surfaces compared to modern motorcycles with advanced suspension systems.
3. Limited Performance Features: As a product of its time, the Simplex lacks modern conveniences and technologies found in contemporary motorcycles, which may deter riders looking for advanced performance capabilities.

In summary, the 1949 Simplex Automatic is a nostalgic nod to simpler times—perfect for those who appreciate the charm of classic motorcycles while enjoying the thrill of the open road.