A model of the simplest form of D.C. electric motor, having 2-pole armature wound with enamelled copper wire and a permanent magnetic field provided by a removable bar magnet.
A disc-type commutator is incorporated and external connection to the phosphor-bronze bushes is by means of a pair of 4 mm. sockets.
The motor will operates on 6-8 Volts D.C.
Operation of a commercial steam engine is well illustrated with this working model.
The extra large size unit is provided with a horizontal boiler with a whistle, safety valve, steam gauge, on metal base.
Operates on 220V A.C. 50 Hz.
The cut section is constructed model is of light and strong metal showing air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotor, jet thrust, exhaust etc.
Complete on base.
A model of two-stroke diesel engine made in aluminium alloy and gun metal.
Ignition is shown by means of a miniature bulb. Fuel supply is also sectioned.
With hand crank, provided for manual operation.
Mounted on base.
For use with a large motor/generator and a lamp unit to demonstrate the conversion of electrical energy to kinetic energy and then back again.
Comprising an iron flywheel, mounted in cast brackets with bearings.
The shaft has an aluminium 'V' pulley for driving with the spring belt supplied.
This model uses the same basic assembly as the motor, but is mounted on a baseplate 230 x 90 mm approx.
which also carries a hand-drive pulley 120mm.
diameter coupled to the smaller dynamo pulley by a rubber belt to give a step-up ration.
Electrical output is via a pair of 4mm sockets.
The model may also be used as a motor on a 6-8 V D.C. supply.
Represents internal structure and operating principles of an air-cooled two-stroke engine.
All parts in aluminium alloy.
Ignition is shown by means of a miniature bulb.
Carburetter and fuel supply also sectioned.
Mounted on metal base.
To show conversion of mechanical energy into electrical energy.
Turbine with transparent cover, inlet and outlet tubes, directly connected to a dynamo. Fitted on base.
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