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    • #15344
      Profile photo of Andrew Normand

      Small plastic engines that run from compressed air. Come in 3 sorts, 2 with propellers and one with a gearbox. Cheap and just waiting for someone to think up a lower school class experiment. One student tried measuring the power output compared to the number of pumps. The one with the blue bottle goes for the longest time.

    • #15345
      Profile photo of Andrew Normand

    • #15346
      Profile photo of Andrew Normand

      These motors used to be available from MUTR but no longer appear to be. Anyone know of another supplier or similar product?

      Air Motors
      Air powered motors are used in a variety of toys and models, but up until now it has been impossible to obtain them as separate power units (other than relatively expensive CO2 gas power units for model aircraft. Mutr now offer two types each with an integral high pressure reservoir. A special pump is available, but ordinary cycle pumps with car valve type termination can be used with an adaptor.
      Pump  Code APE 003 Price £2.71  
      Motor 1 – Medium Power Propeller Drive (blue one)
      This is a single cylinder reciprocating motor with propeller. Originally designed for use in a model aircraft, it can be used, for example, to power a wheeled vehicle – giving rapid acceleration and speed.
      Price: (each) 1-23  £3.80, 24+  £3.01 Code:  APE 004 
      Motor 2 – High Power Propeller Drive (green one)
      This is a more powerful version of Motor 1 and has a fixing harness. It has a fantastic power to weight ratio and is capable of taking off vertically if fully pressurised. This, too, can be used for powering wheeled vehicles.
      Price: (each) 1-23 £3.80, 24+ £3.61 Code:  APE 002     
      Pump Adapter  Code TA1 002A  Price £1.35 
      Themes: Forces and motion, investigations, gas laws

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