This mini 4 stroke engine has only 1.6cc, it is necessary to add 2% of oil 2 stroke in the gasoline, to assist in the lubrication of the piston, due to the absence of lubricating oil in the crankcase. Its cooling system is made by forced air, not requiring coolant or water.
► Get your 1.6 cc Mini Gasoline Engine, Retro Model from this page: bit.ly/3oV2elz ► Using the code "Leandro" get 10% off. This text presents a summary of the engine characteristics, engine technical data, precautions to be taken and its purpose.
► Note:
- Originally this engine runs between 2,000 rpm to 5,500 rpm. But I didn't hold back, I made the following changes to reach 10,000 rpm:
- removed a balancer shaft play, characteristic of the project;
- I advanced a little, the point of the camshaft;
- I made a fine adjustment of the fuel, to obtain the best possible mixture of "air + fuel" since this adjustment is limited by the absence of an adjustment of the air.
► 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 3 AA batteries with 1.5 volts of voltage 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:
- a nice retro design;
- the sound produced by the engine is very loud, due to its size;
- does not require maintenance;
- high rotation and low torque;
- low battery consumption in electric ignition;
- piston with silicone ring;
- all the metals used in its construction have good quality;
- does not require water for the cooling system;
► Negative points:
- super heating from 7 minutes;
- it needs some adjustments according to the fuel used in your country;
- starting the engine requires more insistence;
- low torque;
- When too hot, the engine shuts down, due to the carburetor heating, but this is an intentional feature, naturally preventing the engine from overheating.
► Observations and personal opinion:
1 - This mini engine is very reminiscent of the first internal combustion engines, where the camshaft system is fully exposed and not lubricating.
2 - It is a product with a decorative purpose, it has a good finish, with aesthetic details incredibly similar to a real engine.
3 - I do not recommend continuous use for more than 7 minutes, due to the overheating of the engine. Even with a forced air cooling system, it is not enough to keep the engine at a reliable operating temperature.
4 - Do not exceed the maximum capacity of 8 ml of gasoline in the fuel tank, because gasoline can be expelled through the "fuel tank cap fuel" vent.
5 - The entire motor is made of brass and stainless steel;
6 - The engine speed varies between 2,000 rpm at idle, up to 10,000 rpm.
7 - This engine requires special care to make it work.
- It is first necessary to turn the steering wheel a few times with the throttle closed and the ignition switch off.
- Then, turn on the ignition switch and try to start, usually on the 3rd attempt it works, as long as it has the correct "air + fuel" mixture with the ambient or engine temperature.
► Product features:
- Material: Brass + Stainless Steel + Wood;
- Motor size: 125 x 80 x 53mm;
- Size of the base: 150 x 120 x 30mm;
- Displacement: 1.6cc;
- Speed: 2,000 - 10,000 rpm;
- Piston diameter: 13 mm;
- Stroke: 17.00 mm;
- Fuel tank with capacity for 8 ml of gasoline;
- water tank with a capacity of 15 ml;
- 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);
- Product weight: 980g;
- Ignition device power supply voltage: 4.5V (powered by 3 AA batteries but not included);
I recommend the website of "Enginediy", a serious and reliable company. The Product is not taxed in Brazil. If it is charged at customs, a new product will be sent to the customer without additional fees.
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