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World 2 · Diesel, Rotary and Electric · 13 min · PRO

The battery bay

Energy you carry

PRO · Engine Room

World 2: Diesel, Rotary and Electric is part of PRO

The first world of Engine Room is free. PRO opens the other 20 lessons in 6 worlds — simulations, quizzes and all.

  • Petrol vs diesel
  • The Wankel
  • The electric motor
  • Power is torque times speed
  • Gear ratios
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

Unlock Engine RoomTry the free world
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← The electric motorPower is torque times speed →

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