Return-Path: Received: from smtp.abac.com ([208.137.248.30]) by truman.olsusa.com (Post.Office MTA v3.5.1 release 219 ID# 0-52269U2500L250S0V35) with ESMTP id com for ; Wed, 26 May 1999 17:24:05 -0400 Received: from Xi (sd-ppp-275.abac.net [208.137.255.175]) by smtp.abac.com (8.8.8/8.8.8) with SMTP id OAA14660; Wed, 26 May 1999 14:26:48 -0700 (PDT) Message-Id: <4.1.19990526120947.014808b0@mail1.abac.com> Date: Wed, 26 May 1999 12:18:13 -0700 To: lancair.list@olsusa.com From: Buchanan & Newcomer Subject: Aileron Vibration Cc: Buchanan & Newcomer X-Mailing-List: lancair.list@olsusa.com Mime-Version: 1.0

Rick,

I'll give it a shot. Is your aileron TE sharp, or nearly so? If only nearly is the termination rounded? If not, is the termination perpendicular to the local free stream? Any of these can cause TE shedding problems. If you suspect, then grind the TE 45 degrees to the local free stream to a height of 1/16" or so. Leave the edges reasonably sharp.

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It works for boats, so I thought I'd pass it on.

Regards,

Guy Buchanan

Buchanan & Newcomer