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Bill, I am using a rubber strip glued to the end of fiberglass duct. It seals well at static and I have some reinforcing layers of fiberglass around the end next to the core to stiffen it a bit. Now at 200 MPH I may get some blow-by, but at that speed, I probably have excess cooling air.
Ed
----- Original Message ----- From: "Bill Bradburry" <bbradburry@allvantage.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, June 29, 2006 7:39 AM
Subject: [FlyRotary] Sealing plenum to oil cooler and radiator
How are you sealing the fiberglas plenum to the oil and water coolers?
My radiator has a "U" channel at the top and bottom that I can use to
bolt the plenum, but what about along the water tank sides of the
radiator? It seems that under pressure, (200 mph! :<)) the plenum would
swell out and leak air if it is not attached????
I am using the stock 2nd gen oil cooler and it has nothing available to
bolt anything to. It seems that this plenum would just blow off under
pressure.
What neat trick are you guys using to hold these items in place?
Thanks,
Bill Bradburry
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