Engine block machined out of solid metal

Why are there two sets of cylinders on each side of the engine? How does that work?
 
Neat vid. Place I worked we would do virtually the same thing with solid billet aluminum and make cylinder heads too.

For race motors.
 
Brm

BRM built a 16 cylinder, 1.5 litre engine nearly 70 years ago. Trouble is they couldn't build transmission, brakes, suspension, cooling system, to cope with the power. It was only ever raced at 12,500rpm instead of the optimum 15.000rpm!
 
Machining an engine block from a solid billet of steel takes incredible precision.

That machine must be very finely-tuned.

The slightest error and the engine block could be rendered useless.
 
Machining an engine block from a solid billet of steel takes incredible precision.

That machine must be very finely-tuned.

The slightest error and the engine block could be rendered useless.

It's all in the computer code of the cad/cam system that directs the machine.
 
Machining an engine block from a solid billet of steel takes incredible precision.

That machine must be very finely-tuned.

The slightest error and the engine block could be rendered useless.

Theres a pile of scrap ones going back to the foundry don't worry.
 
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