Pneumatic Engine with Fan Pneumatic Engine with Fan from Oliver Billington Pneumatic Engine with Fan Machined using a lathe and mill, this pneumatic engine is capable of spinning at over 3000rpm. gLike Pneumatic Engine with Fan Machined using a lathe and mill, this pneumatic engine is capable of spinning at over 3000rpm. Engineering Share R 7 n Oliver Billington Designer, Builder Canberra, Australia Follow Contact