But wait, this is a 1 cylinder 30Hp petrol engine pushing you to the amazing speed of 21,6 kmh at 6`th gear.
Ever heard of Lanz ELI Buldogg roadgoing tractor?
They are rare as hens theets, I once had one but now I`ve only got its spare spark plug left, its BIG.
Right Harley spark plug, left is BOSCH`s giant sparkplug for 10,4 litre Lantz engine.