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Date: Mon, 11 Jan 1999 08:58:08



From: Dan Schaefer <dfschaefer [at] usa.net>



To: Bahahud [at] aol.com,



Subject: Re: [Re:  More on vac pump fittings]



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Bahahud [at] aol.com wrote:



> Some engineers are recommending that the discharge line from the Vacuum pump



> be vented overboard to prevent the vacuum pump from having to overcome the



> additional pressure existing inside the cowling.



>



> Hank







Howdy Hank:







Yeah, I surely do agree. I ran the output of my pump down and out of



the engine compartment. Seemed the right way to go, though I doubt that



there's that much pressure back there - but what the heck! My friend has



his dump right at the pump and he's got almost 6 - 700 hours on his



Lancair and I think he's still on his first pump. As I said in my post,



we aren't loading them very hard.







Anywaym thanks for the note.







Dan Schaefer