CISON FG-VT157 15.7cc V-Twin 4 Stroke Gasoline Engine Model High Torque RC Power
Hero Section: The Golden Era of Torque
The CISON FG-VT157 isn't just a model; it is a mechanical tribute to the legendary "Panhead" era of American motorcycles. With a larger 15.7cc displacement, this engine offers more than just visual realism—it delivers the raw, thumping torque that RC enthusiasts crave. Whether you are looking to power a 1/5 scale crawler or simply want to own a masterpiece of desktop engineering that roars with authority, the VT157 brings the soul of the open road to your fingertips.
Why Choose the CISON FG-VT157?
- Superior Displacement & Torque: Unlike smaller desktop engines, the 15.7cc capacity (20mm bore x 25mm stroke) provides significant low-end torque. This makes it not just a display piece, but a viable powerhouse for modifying large-scale RC vehicles that require real grunt.
- Authentic "Hemi" Combustion: Engineering purists will appreciate the realistic hemispherical combustion chamber. Combined with the OHV (Overhead Valve) structure, this design maximizes efficiency and compression, resulting in a powerful and reliable burn.
- Panhead Aesthetic: The rocker covers and gearbox casing are meticulously designed to replicate the charm of classic V-Twin motorcycle engines. The CNC-machined aluminum body features an anodized, sandblasted finish that gives it a premium, industrial texture.
- Reinforced Internals: Built to handle the increased power, this engine features strengthened connecting rods and a robust crankshaft. It is engineered to run stably between 1500 and 8000 RPM without compromising durability.
Technical Highlights: Precision Engineering
- Classic 45° V-Angle: The cylinders are set at the iconic 45-degree angle. This isn't just for looks; it creates the signature syncopated exhaust note that defines a true V-Twin.
- Separable Rocker Box: The rocker arm cover chamber is separable, allowing for easier observation of the valve train and simpler adjustment of valve lash—a feature that mechanics will love.
- Optimized Carburetion: The carburetor has been tuned to handle the larger displacement, allowing for a balanced burn across different fuel types and a stable, rhythmic idle.
- Efficient Cooling: The deep-cut cooling fins on the cylinder block provide a large surface area for heat dissipation, ensuring the engine stays cool even during extended run times.
Specifications
- Brand: CISON
- Model: FG-VT157
- Type: V-Twin 4-Stroke Gasoline Engine
- Displacement: 15.7cc
- Bore: 20mm
- Stroke: 25mm
- Cylinder Angle: 45°
- RPM Range: 1500 - 8000 RPM
- Power: 0.8ps
- Cooling: Air-Cooled
- Ignition: CDI Electronic Ignition (Included)
- Starting Method: Electric Drill (Starter rod included)
- Fuel: 92# Gasoline or higher
- Lubrication: Mixed Fuel (Gasoline/Oil = 30:1)
- Dimensions: 10.5 x 6.5 x 12.1cm
- Weight: 1500g
Usage Scenario: The RC Upgrade Project
Imagine the satisfaction of installing a real combustion engine into your scale truck or custom bike build. You mount the VT157, connect the fuel lines, and hit the starter. The engine catches with a deep, throaty growl that electric motors simply cannot match. As you rev it, the torque twists the chassis slightly. This is the difference between a toy and a machine. It’s the perfect project for a father-son duo or a solo builder looking for the ultimate challenge.
Important Tips from the Workshop
- Mounting Base Required: Please note that this engine is sold as a "Ready to Run" unit in terms of assembly, but it does not include a fixed mounting base. You will need to fabricate a mount or purchase a compatible base separately to run it safely.
- Fuel Mixture: Due to the larger displacement and higher compression, we recommend a fuel mixture of 30:1 (Gasoline to 2T Engine Oil). This ensures adequate lubrication for the piston rings and bearings.
- Battery Needs: You will need to provide your own power source for the CDI ignition. A 6V - 7.4V battery (such as a 2S LiPo) is recommended.
- Break-in: Allow the engine to run at moderate RPMs for the first few tanks of fuel to ensure the internal components seat properly.
Customer Support
We support the builders. If you need dimensions for fabricating a mount or advice on RC compatibility, please contact our technical team at service@helloworld7.com.
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