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Hi Bobby,

You actually have sufficient distance to probably come pretty close to a streamline duct. Tell me how wide the core you may use from Ed - the same 19" as the stock or different? I'll see what I can come up with.

----- Original Message -----

From: Bobby J. Hughes

To: Rotary motors in aircraft

Sent: Monday, July 16, 2007 3:30 PM

Subject: [FlyRotary] Oil cooler duct.

Ed,

It looks like I have about 10-12 inches of duct between the chin scoop and oil cooler face. The cooler is a stock mazda but I am considering a slightly larger one that Ed K. makes. 6.5" tall vs 5" Any suggestions on how you would shape this duct using the pinched duct approach?

Thanks.... Bobby

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