Simple Tech: Piston and piston rings explained

When combustion of the fuel inside the combustion chamber of an internal combustion engine causes the air to heat up and expand rapidly, the part of the engine responsible for bearing the brunt of the pressure and heat spike is the piston.

Visually, a piston is a simple metal object, usually cast from aluminium but sometimes forged in high-performance applications. It is a sculpted cylinder that usually has a domed, flat or ‘designed’ top which includes cutouts for the valves. This is called the crown of the piston.

The sides of...


Updated Date: May 30, 2016 11:03 AM

Also Watch

Watch: Firstpost test rides the new Thunderbird 500X in Goa and walks you through the Royal Enfield Garage Cafe
  • Tuesday, April 17, 2018 Varun Dhawan on Shoojit Sircar's October, 5-star reviews and working with Anushka Sharma in Sui Dhaaga
  • Saturday, April 14, 2018 Ambedkar Jayanti: Re-visiting Babasaheb's ideals exposes fake Dalit politics of Rahul Gandhi and Congress
  • Monday, April 9, 2018 48 hours with Huawei P20 Pro: Triple camera offering is set to redefine smartphone imaging
  • Monday, April 16, 2018 Rajyavardhan Singh Rathore interview: Sports can't be anyone's fiefdom, we need an ecosystem to nurture raw talent

Also See

  • Simple Tech: Fuelling explained

  • Simple Tech: Connecting rods explained

  • Simple Tech: Flywheel explained