Ariel 4F Square Four 600 1933 - Specifications & Review

Introducing the 1933 Ariel 4F Square Four 600

Step into the golden age of motorcycling with the remarkable 1933 Ariel 4F Square Four 600. Renowned for its innovative engineering and stylish design, this motorcycle sits proudly in the allround category, appealing to both casual riders and serious enthusiasts alike. With its distinctive square four-cylinder engine, the Ariel 4F was ahead of its time, representing a blend of performance and elegance. It captures the spirit of the early 1930s—a period marked by technological advancement and a burgeoning love affair with the open road.

Engine Performance and Riding Characteristics

At the heart of the Ariel 4F is a 601cc square four-cylinder engine, delivering a respectable 23 horsepower at 5600 RPM. This powerplant, combined with a 4-speed gearbox and chain final drive, propels the motorcycle to a top speed of 140 km/h (87 mph). Riders will appreciate the smooth and responsive acceleration afforded by its 6.9:1 compression ratio, while the dual-valve setup ensures efficient engine breathing. The air-cooled design keeps the engine running cool, even during extended rides. Coupled with the iconic spring girder front suspension, the 4F provides a stable and comfortable ride, allowing for confident handling through both city streets and winding country roads.

Key Features and Technology

The Ariel 4F Square Four 600 is not just about its unique engine; it also boasts a semi-cradle frame that enhances stability and comfort. With a weight of 168 kg (370.4 pounds), it strikes a harmonious balance between power and agility. The motorcycle features drum brakes on both the front and rear, providing reliable stopping power when needed. For those who seek additional versatility, an optional sidecar can be attached, making it a great choice for family excursions or leisurely rides with friends. The classic black finish adds a timeless elegance that is sure to turn heads wherever the road may lead.

Pros and Cons

Pros:

1. Innovative Engine Design: The square four-cylinder engine provides smooth power delivery and a unique character that sets it apart from traditional inline engines.
2. Comfortable Ride: The spring girder front suspension and semi-cradle frame enhance ride quality, making it suitable for long-distance cruising.
3. Versatile Options: The ability to add a sidecar allows for increased functionality, accommodating passengers or additional cargo with ease.

Cons:

1. Weight Considerations: At 168 kg, some riders may find it heavier compared to contemporary motorcycles, which could affect maneuverability at low speeds.
2. Drum Brakes: While reliable, the drum brake system may not offer the same stopping power or responsiveness as modern disc brakes, particularly in emergency situations.
3. Limited Power Output: With 23 horsepower, the 4F may not satisfy riders seeking high-performance thrills, especially when compared to more modern motorcycles.

In summary, the 1933 Ariel 4F Square Four 600 is a captivating blend of vintage charm and mechanical ingenuity. Whether you're a collector, a vintage bike enthusiast, or simply someone looking for a unique ride, this motorcycle is sure to deliver a memorable experience steeped in history and craftsmanship.