Rotary Combustion Engine (demo) for the ZX81

https://www.youtube.com/watch?v=7FirU1VQPVs

#RotaryCombustionEngine #ZX81 #Demo #Educational #Education #BHorsfield

Four Stroke Petrol Engine (interactive demo) for the ZX81

https://www.youtube.com/watch?v=BiPg6Fw3iMI

#FourStrokePetrolEngine #ZX81 #InteractiveDemo #Demo #BHorsfield