15cc Vertical OHV Single-cylinder Four-stroke Internal Combustion Engine Model – Mechanical Crafts Physics Experiment Educational Toys (with Igniter)

15cc Vertical OHV Single-cylinder Four-stroke Internal Combustion Engine Model – Mechanical Crafts Physics Experiment Educational Toys (with Igniter)

Features:

.Industrial Engine: The vertical OHV single-cylinder four-stroke gasoline engine with deeply industrial style is built with half-perspective window for visible internal running process, flexible cylinder head capable of opening and closing, independent lubricating system to fill 4T engine oil separately and electronic igniter equipment.
.Delicate Technology: All aluminium alloy parts processed by CNC machine tool, electric pulse and line cutting, with a machining precision of 0.02mm, and the crankshaft treated with hard chrome electroplating after 40Gr quenching and tempering as well as finish turning, with a hardness of 55HRC and a precision of 0.01mm. With shrink fit, the main shafts&main shaft gears and cam&camshaft feature sturdy and durable assembly. The valve, used 40Gr quenching and tempering as well as finish turning, assembles with alloy valve pipe for wear&heat resistance.
.Incredible Craft: The distinctive desktop engine model with stable&reliable structure and a sustainable use of 30mins generally, is easy to operate and friendly to beginners, allowing you to experience the unique mechanical operation charm from the engine.
.Collectible Gift: This model makes an amazing addition to any collections for the fans of machines and engine models. Perfect for an interesting science educational toy and a high-end&creative gift for families and friends.
.Notes: The base, power distribution cabinet and tank are not included in the simple edition which including igniter, please buy the high-end edition if needed. Please operate the machine in line with the instructions to avoid damage to the machine by improper operation. Recommended for 14+.

Specifications:

.Material: Metal
.Bare Weight: 1.9kg
.Displacement: 15CC
.Cylinder Diameter: 25mm
.Stroke: 24mm
.Compression Ratio: 5/1
.Valve Mechanism: OHV (Overhead Valve)
.RPM Range: 800-5000rpm
.Lubrication Method: Wet Sump/Splash Lubrication
.Lubricating Oil Type: 5W40 (4T)
.Lubricating Oil Filling Capacity: 25mL on Open Cylinder Head/35mL on Enclosed Cylinder Head
.Cooled Mode: Air-cooled
.Starting Mode: Manual Pull (Rope)
.Ignition method: CDI Electronic lgnition
.Starting Voltage: Approx 6V (Without Battery)
.Product Dimensions: 21 x 12 x 27cm
.Product Weight: 1900g
.Package Dimensions: 25 x 15 x 32cm
.Package Weight: 2200g
.Packing: Box