Ernest,

   The procedure is to test with many steps increasing speed in small increments always ready

to reduce throttle and increase AOA at the slightest indication of flutter..............

 

Kelly Troyer
"DYKE DELTA JD2" (Eventually)

"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold

"TURBONETICS"_TO4E50 Turbo

From: Ernest Christley <echristley@att.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sunday, July 3, 2011 2:11 PM
Subject: [FlyRotary] Re: GSL393/74028 Fuel Pump Replacement/Fuel Leak

On 07/02/2011 11:12 AM, Thomas Mann wrote:

I know that the plans built composite aircraft (Rutan designs and derivatives) can have a Vne that can be higher or lower than the design specs as a direct result of workmanship. Each (in my case a Long-EZ) aircraft is a one-off and only flight testing can determine the TRUE V-speeds.

I think that is less of a factor in the RV world but a factor just the same.

Flutter is really ugly.

How is the Vne testing performed?  I can't think of anything other than pushing the throttle to the firewall and waiting to see what happens, but that sounds awful dangerous to me.