Tuesday, May 5, 2009

Tyre pumps and air compressors don't belong under your bonnet.

Space is at a premium when travelling. It's why so many ask if a particular tyre pump or air compressor can be under-bonnet mounted.

Whether you spend $200 or $2000, the answer in the case of an electric-powered pump is (should be) no.

The greatest inhibitor of a compressors performance is heat. An electric compressor (any brand) generates tremendous heat - even at mild ambient temperatures.

Few pumps will inflate a decent size 4WD tyre from 15 to 36psi twice without needing a rest, or the thermostatic overload protection switch kicking in.

So why start at engine room temperature?

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