EXP5000 Entegra PFD - What constitutes "high" power?

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What constitutes "high" power?

Printed From: Avidyne
Category: Avidyne General
Forum Name: EXP5000 Entegra PFD
Forum Description: Topics related to the Avidyne EXP5000 Entegra Primary Flight Display (PFD)
URL: http://forums.avidyne.com/forum_posts.asp?TID=797
Printed Date: 25 Dec 2024 at 12:15pm
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com

Topic: What constitutes "high" power?

Posted By: Melohn
Subject: What constitutes "high" power?
Date Posted: 29 Aug 2015 at 4:08pm

I was flying yesterday, and the controller asked me to give best rate to 8000'. I noticed on my PFD speed tape both Vg and Vx, but no Vy.

I took a look at the PFD manual, and it says the values are calculated based on air data, and that Vx and Vy are displayed at "high" power settings, while Vx and Vg are displayed at "low" power settings. Can you tell me what constitutes "high" versus "low"? My SR-20 was at full power at 8000', but displayed ~62% on the MFD. At that altitude, I suspect Vx, Vy, and Vg are all very close to the same value, but I was just surprised not to see Vy.