Date: Fri, 05 Jul 2002 18:41:18 GMT From: amesnopsamrak.demon.co.uk (Andrew Stephenson) Subject: Re: water puddle
In article <ag4jlm$gsk$06$1nopsam.t-online.com> simon.putznopsamline.de "Simon Putz" writes: > just some mins ago i was driving my MY 96 9000 Aero, with A/C on at 21 ƒC. > outside it was like 28 ƒC. when i came back from getting airplane tickets i > noticed a medium sized puddle of water under the engine. i looked under the > car and i saw it dripping in the middle of the car, at the joint where the > exhaust downpipe goes to the middle part. what is this? i let it drop to my > hand, and its definately water, doesnt smell of antifreeze, but was warm tho > not hot. [...] If your journey was too short for the exhaust system temperature to have risen to above about 100C, my guess (NB) is it might be water condensed out of the exhaust. <lecture> As you surely know, petrol comprises mostly carbon and hydrogen. The carbon burns in air to form its oxides (di-/mon-), which are gaseous at normal temperatures. The hydrogen is going to form its oxide, water. Watch the exhaust of any ICE vehicle and you may well see water dripping from the exhaust. </lecture> [er, ICE == Internal Combustion Engine] -- Andrew Stephenson