ENERJARY
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$516.99
Joytopiaminds SEMTO/OTTO ST-NF2 7.0cc Mini Inline Twin-Cylinder 4-Stroke Air-Cooled Nitro Engine Model Kit, Physics Scientific Experiments Model for Adults
★★★★★
$516.99
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3 availableColor: ST-NF2 Nitro Engine
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1
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About this item
- 🔧【High Simulation】Crafted with CNC-machined aluminum and oxidation coloring, this 7.0cc nitro engine replicates real mechanics with dual synchronous belts, SOHC valves, and a sporty red design for lifelike operation (11.2x9cm)
- 🛠️【Premium Compatibility & Upgradability】Designed to pair seamlessly with gearboxes or custom setups. Requires 20-25% nitro fuel and F-type plug/ignition modules (sold separately). Mixed oil lubrication ensures durability
- 🏎️【Powerful Performance】Features an asynchronous crankshaft and upgraded carburetor for smooth throttle response, delivering 0.6ps power and speeds up to 16,000rpm. Includes a 480-brush DC motor for electric starting (7.4V 2S Li battery not included)
- 🌟【Sensitive Carburetor】New signal carburetor allows for easier adjustments and improved throttle response
- 📚【Educational Exploration】Perfect for ages 16+ to learn engine mechanics: assemble valves, pulleys, and belts while studying 4-stroke combustion principles. Ideal for STEM classrooms, hobbyists, or as striking mechanical decor
Product description
Specifications: .Color: Red .Material: Metal .Brand: SEMTO ENGINE .Model: ST-NF2 .Form: Kit Version .Engine Type: Nitro Interal Combustion Engine Model .Valve Mechanism: SOHC .Displacement: 7.0 (3.5*2)cc .Cylinder: Inline Double-cylinder .Stroke: Four Stroke .Cyilinder Diameter: 16.6mm .Stroke: 17.00mm .Speed: 4000-16000rpm .Power: 0.6ps .Cooling Mode: Air Cooling .Lubrication Mode: Mixed Oil Lubrication (add grease) .Starting Mode: Electric .Ignition Mode: Ignition Modules (Not Included) .Type of Electric Plug: F-type Four-stroke Electric Plug (Not Included) .Starting Voltage: 7.4V 2S Li battery (Not Included) .Fuel Type: 20-25% Nitro Fuel .Product Dimensions: 11.2 x 9 x 9.2cm .Product Weight: 535g .Package Dimensions: 14.5 x 11 x 11.2cm .Package Weight: 1000g .Packing: Graphic Carton .Ages: 15+ Package Including .1*Engine Model Kit .1*Instructions
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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