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Talk about the ultimate compromise of factors - air flow is it. The system is only as effective as the weakest link in the chain. Which given how many there are (and there are a couple more than Tracy mentioned) , it could be discouraging to think you got 3 out of 4 correct and it still won't cool effectively - but, then if we were the easily discouraged (or perhaps brighter) type, we wouldn't be doing this {:>).
Ed
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From: "Tracy" <rwstracy@gmail.com>
Sent: Monday, May 23, 2011 3:36 PM
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Oil cooler size
Who said "right"? I said "enough". And that is a subject for a book, not an email. But as someone previously said, all the pieces have to be appropriate, inlet, duct, diffuser, Heat exchanger, outlet. There is no mysterious right flowing air, you gotta coax it into cooperation at every turn.
Tracy
Sent from my iPad
On May 23, 2011, at 3:09 PM, Jim Brewer <alpha@concordnc.com> wrote:
Tracy,
You said: Now that I have enough air flowing through it, my 11 x 11 x 2 cooler is doing a nice job at 300 HP.
Could you share the details of how you got the air to flowing "right" with minimal drag? What steps did you take to find the mysterious
"right flowing air".
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