This particular engine has been specifically designed by our technicians for solar operation. In today's energy conscious world solar devices are in great demand, and this little engine clearly and easily demonstrates how easy it is to harness the power of the sun and convert it in to motion. 
Low-profile heat insulating chamber pillars, giving good surface contact with heat source.
Aluminium main pillar, hub & spokes 
All airtight seals are made with high strength precision screw threads and nitrile O rings 
Both connecting rods are positively located using low friction PET and stainless screws 
Micron precision Borosilicate glass cylinder and Graphite power piston, the best combination 
Ultra low friction demagnetised and degreased bearings, NO lubrication required 
Fully CNC machined, ensuring crisp, clean tidy edges all over 
Engine parts ultrasonically cleaned before hand asse
mbly 
Precision engineered and hand built in England 
Engraved it with the KONTAX name 
Major dimensions:-
Base plates - 92mm diameter, 2mm thick 
Flywheel - 82mm diameter, 4mm thick 
Power piston - 9.5mm tube diameter 
Displacer - 70mm