REFLECTOR: Canard angle of incidence
Laurence Coen
lwcoen at hotmail.com
Wed Jan 8 13:39:42 CST 2014
Matt,
IMHO .05 deg Is way more than close enough even if you're totally anal. If you take a dozen measurements along the length of the canard you will likely find more variation than that small difference. On top of that, how accurate is the main wing incidence and are both wings exactly the same? How level is the airframe? Yeah, you're splitting frog hairs.
Larry Coen
N136LC
P.S.: My plane trims out as about as good as it gets and I don't have anything that measures down to .05 deg.
From: Matt Bucko
Sent: Tuesday, January 07, 2014 8:10 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Canard angle of incidence
Yes, the book and gauge are from the factory. The drawing is from the factory showing how they set the bubble at the front line of the level. According to the drawing, this is +.2 to +.3 up. I am just questioning 5 hundredths of a degree I have over .3
I know setting the angle is important, and that small angle may in fact be too much, or it may not matter at all. I just want to make sure it is ok/not before I change it or leave it alone.
Where did your info on the +.35 up come from in reference the angle when the bubble is centered?
Matt
On 1/7/2014 5:57 PM, Don Johnston wrote:
Per the book, yes, but this is from the factory.
Sorry, I'm not sure I follow you. The book is from the factory and the incidence gauge is from the factory.
Here's what I think I understand.
The canard should be at a +.35 degree incidence. The gauge from the factory has a -.35 degrees offset. So when the canard is set with the correct incidence, the top of the gauge will show level.
-Don
On Tue, Jan 7, 2014 at 7:45 PM, Matt Bucko <mbuc310 at cox.net> wrote:
Per the book, yes, but this is from the factory.
Matt
On 1/7/2014 5:08 PM, Don Johnston wrote:
I thought the incidence gauge was set so that the canard is at the proper incidence when the gauge is level.
On Tue, Jan 7, 2014 at 5:27 PM, Matt Bucko <mbuc310 at cox.net> wrote:
Howdy from Phoenix. I have my canard installed and the angle of incidence is +.35 on my digital level.
I had sent my jig in last year to be checked for accuracy. It was returned with a clean bill of health and a drawing, which I have attached, showing you guys set +.2 to +.3 up.
Am I splitting hairs, or do I need to re-set my angle?
Matt Bucko
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