Hi, Buly...Scat tubing only has one ply. Sceet tubing has two layers, and the inner layer can collapse...according to Aircraft Spruce, anyway.  Paul Conner

----- Original Message ----- From: <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, April 10, 2005 10:20 PM
Subject: [FlyRotary] Re: SQ2000 flying again

From: <sqpilot@bellsouth.net>
Date: 2005/04/11 Mon PM 02:54:46 EDT
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: SQ2000 flying again

Hi, Tracy....thanks for the heads up....any more info would be appreciated....was it a long scat tube, and was it 3 inch diameter?  I assume you could not ingest enough air?  Thanks for any more info you can provide.  Paul Conner

Paul, scat tubing can collapse and restrict the flow. Sometimes the inner layer separates from the metal coils and caves in.
Use more rigid tubing if you can.
Buly

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