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#1
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A fun science experiment is to put a small amount of water in the
bottom of a 1 gallon rectangular can. Boil it for a few minutes to displace the air inside, remove it from the heat, and immediately replace the cap and watch. For more excitement, repeat with another can only this time cap it and sprinkle cold water on the outside of the can too. (Hint - don't plan on using the cans again.....!) |
#2
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* * * * My experience is as an aircraft mechanic.
Thanks for a great primer, Dan. -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#3
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"nrp" wrote in message
... ... A lot of this moisture accumulation problem would go away if aircraft engines had a positive crankcase ventilation (PCV) system like car engines now do, but they don't for whatever reason. I suspect part of the reason car engines now last so much longer is due to the PCV system. Talking to one of the "old guys" at work some years ago this came up - his claim was that when PCV was first required, they were worried about re-cycling all the "gunk" and damaging the engines - but testing (and eventually field experience) showed that keeping the crankcase ventilated resulted in a significant boost in engine durability. He referred to PCV as one of the best things to come along... Conventional auto style PCV won't work well on an aircraft engine due to the lack of vacuum in the manifold to generate the air flow. -- Geoff The Sea Hawk at Wow Way d0t Com remove spaces and make the obvious substitutions to reply by mail When immigration is outlawed, only outlaws will immigrate. |
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