REFLECTOR: Vortex Generators

[Jerry Teitsma]

Brian - What is your stall speed? 

Jerry Teitsma 

N241JT 

----- Original Message -----

From: "Laurence Coen" <lwcoen at hotmail.com> 
To: "Reflector" <reflector at tvbf.org> 
Sent: Monday, May 19, 2014 10:09:56 AM 
Subject: Re: REFLECTOR: Vortex Generators 

Brian, 

The max forward CG is 115.75".  If you are at 115" or less then that's your 
problem, not something wrong with the plane.  If I load 400# plus in the 
front I still won't reach the forward CG.  You should be able to hold the 
nose up at 70 KIAS. 

Larry Coen 
N136LC 

-------------------------------------------------- 
From: "Brian Michalk" <michalk at awpi.com> 
Sent: Sunday, May 18, 2014 10:42 PM 
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org> 
Subject: REFLECTOR: Vortex Generators 

> After doing my foreward CG tests, I find that my biggest concern is 
> running out of elevator authority when flaring to land.  Flying in my 
> buddies V, and also the trainer, I don't recall speeds as high as I am 
> maintaining on final.  At 110mph (96 kts) final, by the time I land, I 
> suppose I'm down to 100mph, and at forward CG of ... well, I can't find my 
> spreadsheet at the moment, but it's probably close to 115 inches. 
> 
> My question is I am wondering if VG's on the canard will give me some 
> better elevator authority.  I like not having to worry about breaking them 
> off now, so if the bother is worth it, I'll try them. 
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