Mailing List flyrotary@lancaironline.net Message #64371
From: Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net>
Subject: Cooler
Date: Mon, 8 Oct 2018 09:22:35 +0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi again, I meant to mention as its been in the discussions recently.
The Mocal Cooler is a single pass with the 44 rows/tubes being 235mm / 9.25 inch long. Quite different to coolers like a DB30618 which have fewer longer rows/tubes. Even more so if in a double pass configuration.
My question is does having more shorter rows put a higher volume/surface area of oil exposed to a higher delta T improve cooling efficiency?

Cheers

Steve Izett

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