J31009 Single-Cylinder Four-Stroke Diesel Internal Combustion Engine Teaching Model Experimental Instrument STEM Toy
Features:
.This novel and unique diesel engine model is finely crafted, of reliable quality, allowing for a clear observation of the operation process.
.Usage: Connect the power supply and slowly turn the handle in the direction indicated by the arrow.
.Operating Principle:
a. Intake Stroke: Open the intake valve and close the exhaust valve. The piston moves from the top dead center to bottom dead center, the fuel-air mixture enters the cylinder through the intake pipe.
b. Shut off exhaust and intake valves during the compression stroke. The fuel-air mixture was compressed in the cylinder as the piston moved from bottom dead center to top dead center, quickly raising the temperature.
c. Power Stroke: When the piston reaches the top dead center, the spark plug ignites (indicated by a light bulb illuminating). The fuel-air mixture is ignited and rapidly expands, pushing the piston downward to the bottom dead center. At the same time, the crankshaft outputs power.
d. Exhaust Stroke: Due to the inertia of the rotating mechanism, the crankshaft passes through the bottom dead center, causing the piston to move upwards. At the same time, the exhaust valve opens and exhaust gas is expelled from the exhaust pipe. Once the exhaust stroke is complete, the exhaust valve closes, and the intake valve opens. The piston moves downwards to start a new intake stroke, beginning the next cycle.
.Notes: As a physics teaching experimental toy, no support to start this model with diesel. Instead, it is powered by electricity and allows for the observation of the working status of the piston, spark plug, and valve through the change of light.
.Extraordinary Significance: Suitable for mechanical enthusiasts or collectors who are interested in mechanical principles. Perfect as a decorative item but also a very valuable science education model, or an unforgettable gift for fixed engine model collectors.
Specifications:
.Material: Metal
.Product Weight: 1000g
.Product Dimensions: 16 x 12 x 30cm
.Package Dimensions: 19 x 15.2 x 33cm
.Package Weight: 1400g
.Packing: Box
.Ages: 14+
Professional packing and fast shipping
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Note: Orders with more than one product are assigned a particular processing time, based on the individual product.
Prior to shipping, we inspect the ordered items thoroughly before sending the items. The majority of orders are shipped within 48 hours. The delivery time will be between 3 and 7 working days.
Returns
Due to the multiple parties involved such as the factory and the warehouse, we're unable to effectively manage inventory. The actual inventory can fluctuate at any time. It is possible that the stocks could be depleted after the order has been made.
Our policy lasts for a period of 30 days. However, if the 30 days have elapsed since you purchased your item, we will not be able to give you a refund or exchange.
You are able to return a product in the event that it is not used and in the same condition the day you received it. The item must be in the original packaging.
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