In 2015, Singapore Polytechnic students built Singapore’s first supersonic ping pong ball bazooka which reached 428.6m per sec (Mach 1.25). A new batch of Mechanical & Aeronautical Engineering students using an improved suction pump and 3D-printed nozzle, achieved a speed of 833m per sec or Mach 2.43 on 7 Jan 2019. This is arguably Singapore’s fastest projectile without the use of combustion ...
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