Pre-order
Out stock

SHUNMA 31009 Four-stroke Metal Diesel Internal Combustion Engine Teaching Instrument Physics Experiment Model

$277.99$178.99

You Save: $99.00 (36%)

PRODUCT INFORMATION
Shipping information
Return and Exchanges
PRODUCT INFORMATION

SHUNMA 31009 Four-stroke Metal Diesel Internal Combustion Engine Teaching Instrument Physics Experiment Model


Description:

Brand Name: SHUNMA

Item Name: Diesel Engine Model

Model: 31009

Weight: 1000g

Size: 18.5*12.5*31 cm

Material: Metal, Environmentally Friendly Plastic


Use for:

It is used for the teaching demonstration of the heat engine part in the physics class of the secondary school. The design of this instrument has been extensively solicited opinions from relevant departments, and several improvements have been made to the original model, so as to not only clearly explain the basic working principle of the four-stroke single-cylinder diesel engine, but also be closer to the actual product, and better clarify the common single-cylinder The main structure of the diesel engine to improve the use effect of the instrument.


Structure:

The front of the instrument is a section cut along the longitudinal axis of the cylinder, the cylindrical cavity in the middle is the cylinder, and the light-colored part next to the cylinder represents the section of the cooling water jackets. The piston moves up and down in the cylinder. The lines on the piston indicate the piston ring and the oil cup. The square cavity under the cylinder is the crankcase. The front of the cylinder is the crankshaft, which is connected to the piston through a connecting rod. . The rear one is a camshaft with two cams in different positions, which push the push rod to move up and down in sequences, and control the opening and closing of the intake valve and exhaust valve at the top of the cylinder through the rocker arm. The middle of the top of the cylinder is the fuel injector. .


On the left side of the instrument is a flywheel, and on the right there are models of crankshaft timing gear, camshaft timing gear, oil pump cam and high pressure oil pump.


The compression ratio of diesel engines is generally 12-20, so when the piston rises to the top dead center, a certain gap is left proportional to the top of the cylinder.


This instrument is equipped with a light display device, and the power supply adopts a AA dry battery or a low-voltage power supply. When the instrument is running, the lights will flash sequentially, which can more intuitively explain the actions of intake and exhaust and fuel injection.


There is a handle on the flywheel, which is only used for driving the flywheel to rotate during the demonstration.


How to wrok:

Turn on the power, adjust the piston to the top dead center, and then slowly turn the flywheel in the direction of the arrow shown on the flywheel, respectively explain the actions of the piston, intake valve, exhaust valve, fuel injection, etc. in the four-stroke cycle, and explain the diesel time The basic working principle of oil machine. The flashing electric ball on the top of the cylinder indicates fuel injection. The fuel supply advance angle of this instrument is 20 degrees, so fuel injection is performed when the compression stroke is not completely finished.


Package Included:

1 x Diesel Engine Model



Shipping information

Please allow 7 - 15 business days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it!

Return and Exchanges

Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Celtic Wolf and Crow Double-Sided Axe Pendant
Hot
New
Pre-order

  Product information:material: metalTreatment process: electroplatingModeling: geometricPackaging: Individually packedColor: gold, silverPacking listClavicle chain x1

$10.99
Twister Twister Rope 18 Knots Wrapped for Adults
Hot
New
Pre-order

Product information: Product name: TwisterProduct size :3.5*3.5*3.8cmMaterial: plastic/plasticProduct category :M buckleProduct weight: about 20g Packing list: Plastic twister*1

$10.99
Doctors Toys for Children Pretend Play Nurse Doctor Cloth
Hot
New
Pre-order

Specification:   Applicable people: No limitationFeatures: Nurse uniformsPacking: OPP bagToy material: PVCAbility cultivation: intellectual development, hearingWhether there is an anime image: NoIs there a shopping guide video? NoType: Nurse's uniform

$11.99
1 Set of Fun Children'S Role Playing Tableware Educational Toys Kitchen Tool
Hot
New
Pre-order

Product information: Featured function: DIY play housePackaging; portable gift boxToy material: plastic/plasticType: Simulation kitchenApplicable age: children (4-6 years old) Packing list: 1 x simulation kitchen utensil set

$37.99
Poke Le wool felt handmade DIY villain doll
Hot
New
-36%
Pre-order

product information:Name: felt bagMaterial: woolThis product is not a final product, you need to do it yourselfBuy 1 material package and get 1 workbench, 3 poke needles (one thick, medium and thin) 6mlA piece of glue...

$30.99$19.99
Japanese Home Pillow Flower Cushion
Hot
New
-30%
Pre-order

Specification:Specifications: 40cmmaterial: PlushPlush classification: Crystal super softFilling material: Down cottonSize: 40cmControl method: Force controlPacking method: Net bagCartoon, anime type: Flowers3C configuration category: Toys over 14 years oldHeight: 40*8cmApplicable age: Youth (15-35 years old)Packing list: cushion x1

$26.99$18.99
Cute Soft Chubby Dinosaur Doll
Hot
New
-41%
Pre-order

Product Information:Modeling category: AnimalAnimal classification: DinosaurFilling material: PP cottonPlush classification: short plushHeight: 20cm

$26.99$15.99
The imperial navy the imperial soldier the naval governor assembles the little man toy
Hot
New
-30%
Pre-order

[product description] :  imperial navy series --8 styles/set (please press the multiple of 8)   [commodity materials] : ABS environment-friendly plastics[packing method] : OPP bag packing[toy type] : small particle assembled building block accessories[doll size] : doll height is about 4.5cm[suitable...

$26.99$18.99
FREE SHIPPING

Free shipping on all orders

SECURE CHECKOUT

We use encrypted SSL security

30 DAYS RETURN

You have 30 days to return

SHUNMA 31009 Four-stroke Metal Diesel Internal Combustion Engine Teaching Instrument Physics Experiment Model
$277.99$178.99