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​​​​H. R.  Scientific Works

Made of aluminium alloy to demonstrate internal structure and operating principles of an air-cooled two stroke engine. Ignition is shown by means of a miniature bulb. Carburetor and fuel supply also sectioned. Mounted on base, with printed diagram showing working.

WANKEL ENGINE

TWO STROKE PETROL ENGINE

Four stroke air cooled petrol engine sectional model with the operation of valves is clearly visible. Also the cams being driven by a gear train from rear of the main crank can be seen. Simulated spark plug uses a small lamp to indicate the firing point. Screw terminals are provided for connection to 3 volts battery. Cross section of carburetor is shown.

Mounted on base, with printed diagram showing working.

FOUR STROKE PETROL ENGINE

Operation of steam engine horizontal is well illustrated with this working model. The extra large size unit is provided with a horizontal boiler with a whistle, safety valve, water level on bioler. Operates on 220V A.C. 50 Hz.

STEAM ENGINE  HORIZONTAL (WITH ELECTRIC HEATER)

TWO STROKE DIESEL ENGINE

FOUR STROKE DIESEL ENGINE

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A model of four stroke water cooled diesel engine. This is of the chain driven overhead camshaft tpe and all functional components like camshaft, rocker-arms, tappets etc.  are clearly demonstrated. The functioning of fuel injection system is also shown Ignition is shown by means of a miniature bulb, Mounted on base, with printed diagram showing working.

Cut OUt model demonstrating the principle of operation of Wankel Engine showing internal construction details. Unlike other engines the rotary piston engine avoids reciprocating parts. The power piston is an arch like triangular rotor which on rotating generates an epitrechoid. Mounted on the base with printed diagram showing the working.

Made of Aluminium alloy & gun metal. Ignition is shown by means of miniature bulb. Fuel supply is also sectioned with hand crank, provided for manual operation. Mounted on base, with printed diagram showing working