This 3.5cc stationary mini engine is a 4 stroke engine, but it is necessary to add 2% oil 2 stroke to the gasoline to help lubricate the piston, noting that it is not necessary to fill the crankcase with lubricating oil.
► Get your 3.5 cc Mini Gasoline Engine, Stationary Model from this page: bit.ly/3oStnoQ ► using code "Leandro" get 10% off. This text presents a summary of the engine characteristics, engine technical data, precautions to be taken and its purpose.
► Cautions:
- should only be handled by adults;
- there is no need for lubricating oil in the crankcase;
- it is mandatory to add 2% oil 2 times, mixed with gasoline;
- after a few days at rest, remove the gasoline from the fuel tank;
- make sure that the two 3.7 volt batteries are charged;
- keep caution, to avoid serious burns from the engine exhaust, which is extremely hot, as warned in the video;
- the initial start of the motor is carried out in a counterclockwise direction;
- avoid leaving it running for more than 7 minutes, so as not to overheat the engine;
► Positive points:
- nice for those who like retro design;
- finishing with perfect details that resemble a real engine;
- the sound produced by the engine is loud and impactful;
- does not require maintenance;
- high performance and a lot of torque;
- low battery consumption in electric ignition;
- ease of starting the engine;
- good stability in its operation;
- does not need any adjustment;
- all the metals used in its construction have good quality;
► Negative points:
- super heating from 7 minutes;
► Observations and personal opinion:
1 - This 1/8 scale mini engine is a perfect replica of the Dongfeng S1100 stationary diesel engine, also known as D15, a 15 HP version, very popular and used in almost all rural Asian territory, in rice irrigation, sugar cane, pasture grinder and as a propellant for electric generators, in places without electricity.
2 - It is a product with a decorative purpose, it has an impeccable finish, with aesthetic details incredibly similar to a real engine.
3 - I do not recommend a prolonged use of more than 7 minutes, due to the overheating of the engine, even designed with a small water reservoir for engine cooling, it is not enough to keep the engine at a reliable operating temperature. This super heating occurs due to the high compression ratio, favoring this high performance.
4 - Do not exceed the maximum capacity of 8 ml of gasoline in the fuel tank, because gasoline can be expelled through the vent of the fuel tank.
5 - The entire engine block is made of aluminum and the other parts are made of stainless steel.
6 - The engine speed varies between 1500 rpm at idle, up to 8000 rpm.
7 - Another feature that caught my attention is the ease of starting the engine, just turn the steering wheel for two or three turns, blocking the carburetor air intake, turn on the ignition key and overcome the compression that the engine runs . There will only be a greater difficulty in starting the initial start, if the engine is for more than 24 hours without running, which is totally tolerable for a carbureted engine.
8 - It is also worth mentioning, high precision of the project, observed by the low vibration of the engine, solved with two additional rocker arms next to the main crankshaft, worthy of much praise.
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► Product features:
- Material: Aluminum Alloy + Copper + Steel
- Engine size: 94 x 83 x 56mm
- Size of the base: 100 x 122 x 22 mm
- Displacement: 3.5cc
- Speed: 1500-8000 rpm
- Piston diameter: 16.60 mm
- Stroke: 17.00 mm
- fuel tank with a capacity of 8 ml of gasoline
- 15 ml water tank
- Starting mode: External power (electric drill) or manual traction start
- Fuel: Gasoline or aviation kerosene (fuel needs to be mixed with a small amount of lubricating oil for combustion)
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Thank you all for the attention.
Leandro Wagner.