Sorry Mike but I couldn’t resist. Can I take it back🥲

I hope you now have all the info needed for the task at hand. You can see there’s s general consensus on how to arrive at the correct angle of incidence for the canard. It’s good to poll everyone to make sure you have a good understanding of how to go about it the best way. 

Jim

N46JP - Q200

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From: main@Q-List.groups.io <main@Q-List.groups.io> on behalf of Mike Steinsland <MIKESKUSTOMS@...>
Sent: Thursday, January 12, 2023 2:19:23 PM
To: main@Q-List.groups.io Group Moderators <main@q-list.groups.io>
Subject: Re: [Q-List] installing tail wheel spring/ angle of incidence

 

Ouch

On Thu., Jan. 12, 2023, 12:03 p.m. Jim Patillo, <Logistics_engineering@...> wrote:

Hi Jay,

I covered how to install the tail wheel spring, tail wheel, and angle of attack in detail with Mike on December 12. He’s asking the same questions of you guys again and getting the same answers, go figure. 

Best

Jim

N46JP - Q200

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From: main@Q-List.groups.io <main@Q-List.groups.io> on behalf of Jay Scheevel <jay@...>
Sent: Thursday, January 12, 2023 8:16:17 AM
To: main@Q-List.groups.io <main@Q-List.groups.io>
Subject: Re: [Q-List] installing tail wheel spring/ angle of incidence

 

Hi Mike,

 

If the mains are on a level floor then you hoist the tailwheel to where you want it to get WL15 level. If you measure the vertical height from the floor to the bottom of the tailwheel. Lets call that measurement “Ztw”. Then you measure the horizontal distance from the “plumb point” below the center of the tailwheel to the centerpoint between the two main wheels (this point is below the centerline of the fuselage). Let’s call this distance “Xtmw”.  You can use the following formula to compute the ground angle “A”.

 

A = arctan( Ztw / Xtmw)

 

Hope this helps.

 

Cheers,

Jay

From: main@Q-List.groups.io <main@Q-List.groups.io> On Behalf Of Mike Steinsland
Sent: Thursday, January 12, 2023 8:18 AM
To: main@Q-List.groups.io Group Moderators <main@q-list.groups.io>
Subject: Re: [Q-List] installing tail wheel spring/ angle of incidence

 

I think what I am going to do is level the fuselage at WL15.

 

Because I have adjusted the angle of the tailwheel, resulting in the tailwheel being 3" lower, I'll set it at 24" to the floor rather than the 27 called for.

 

It sounds to me that the reflexor will work for correcting any minor angle variation.

 

Jay, I will contact you about pictures.

 

Can anyone tell me where to measure the AOA with the fuselage level at WL15 so that I can confirm I'm pretty close before I glue this spring in? 

 

Or is setting the wheel at the right height sufficient?

 

Thanks

 

On Thu., Jan. 12, 2023, 9:54 a.m. Chris Walterson, <dkeats@...> wrote:

  Mike-------------  When I was building my Q200 Jay helped with my
angle of attack. I sent Jay some pictures of the airplane stance and he
found out I had the 7-8 degrees called for.  I had built my center
consol level with the water line so this is where I measured.

This was all called out for in the plans. Having done this there were no
surprises on initial takeoff other than having to crank in a bit of
aileron reflexor to achieve an angle of attack.

  I think if you don't have the 7-8 degrees you will have hard time
getting it to fly.

  With all this done, the Q200 is VERY easy to land. With proper
reflexor I can come close to three pointing every time.

  Take care--------------  Chris


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