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TRY · 01-31-2007, 10:10 AM

The expansion itself cools the compressed air, from 30 bars at entrance of expansion chamber we go down to athmospheric pressure, hence the cooling.

The heating to create more volume is indeed a very interesting way to extend range, that's all.

Temperature of the engine (or motor) as a whole in normal use will be around 40-50°C, not more.

Therefore in series production a great number of parts will be made of plastic, lighter, cheaper.

01-31-2007, 10:10 AM	#64
TRY Senior Member Join Date: Sep 2004 Location: cannes Posts: 295	Answers to K1W1 The expansion itself cools the compressed air, from 30 bars at entrance of expansion chamber we go down to athmospheric pressure, hence the cooling. The heating to create more volume is indeed a very interesting way to extend range, that's all. Temperature of the engine (or motor) as a whole in normal use will be around 40-50°C, not more. Therefore in series production a great number of parts will be made of plastic, lighter, cheaper.