Products / Unleashing the Future of Energy: Sky Power International / Rev Up Your Ride with the SP-55 TS ROS Two Stroke Engine!

skypower logo 1024x247.png

Heavy Fuel, Gasoline Engines & Wankel Rotary UAV Engines

Unleashing the Future of Energy: Sky Power International / Rev Up Your Ride with the SP-55 TS ROS Two Stroke Engine!

Rev Up Your Ride with the SP-55 TS ROS Two Stroke Engine!

Single-Cylinder UAV engine

Socials
Rev Up Your Ride with the SP-55 TS ROS Two Stroke Engine!

introducing the SP-55 TS ROS: A Premier 2-Stroke Engine

The SP-55 TS ROS is a powerful 2-stroke, single-cylinder engine boasting a displacement of 55 ccm, making it the most substantial engine in our collection. Esteemed by industry experts for its durability and reliability,this engine has been a trusted choice for manny years. It features a dual spark plug design and a top-mounted carburetor, along with a rear output shaft (ROS) that facilitates the attachment of additional equipment. This innovative design positions the SP-55 TS ROS as one of the most compact single-cylinder engines available today.

Versatile Applications Across Various Aircraft

Customers utilize the SP-55 TS ROS engine in a range of applications, including fixed-wing aircraft, helicopters, and Vertical Take-Off and Landing (VTOL) systems, notably within the “below 55 lb” or “up to 25 kg” category of Unmanned Aerial Systems (UAS). Additionally, it is indeed employed in hybrid setups for electricity generation, showcasing its versatility in modern aviation technology.

Engine Specifications and Features

Constructed from cast aluminum, the cylinder has been in production in its current form for over ten years. The crankcase is meticulously CNC machined, allowing for customization to meet specific customer requirements.

Engine type Single-Cylinder Gas Engine
Displacement 55 ccm / 3.35 cu in
Output Power 3.9 HP / 2.9 KW @ 6500 RPM
RPM Range 2200 – 10000 RPM
Weight (with ignition) 5.68 lbs (2.58 kg)
Crankshaft Design 4 ball bearings
Oil to Gas Ratio 1:50 / 2% mix
operating Voltage 6 – 8.4 V DC
Bore Size 1.77 inch (45.00 mm)
Stroke Length 1.38 inch (35.00 mm)
torque Output 4.7 Nm @ 5500 RPM

Other Products