SpinOffs

   

A New Application for Air Brake Dynamometers?

by Francis A. Di Bella, P.E. on Jan 12, 2018 10:33:46 AM

My gym has been crowded with a lot of new people these past couple of weeks. It happens every year in January as people try to stick to their New Year’s Resolution to exercise more. I don’t mind the crowds; they are usually gone by February. One newcomer that did catch my engineering eye, was the new exercycle. It is a bicycle seat with a single, large and bulky looking wheel. The large wheel seems out of place next to some of the other machines that tend to have a much more streamlined appearance. The wheel is spun by the rider much like a typical bicycle and serves to absorb the power from the rider. The exercise cycle is called an Airdyne.

The Challenges of Testing Turboshaft Engines with Dynamometers

by Jim Henry on Apr 13, 2017 5:12:21 PM

The testing of turboshaft engines is necessary to ensure that post-repair performance meets or exceeds requirements for safe aircraft operation.  Testing typically involves several phases such as:  seal break-in; transient response; performance check and control system validation.  Dynamometers are used to simulate the load imposed during operation during testing.

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