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Tru Trak EFIS

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B25Flyer

Joined: 06 Mar 2006
Posts: 11

Posted: Tue May 08, 2007 4:39 am Post subject: Tru Trak EFIS

All,



I was in Springdale and Jim Younkin took me for a ride in the TT RV-9 and I got to fly the Tru Trak EFIS.  The autopilot was not enabled and there were some other features that were not working because they were doing flight testing.



The screen is INCREDIBLY bright.  and the graphics are very bold with thick lines that are very easy to see.  The EFIS is smooth as silk.  I love my Dynon, but it jumps around in turbulence.  The Tru Trak is rock solid smooth.  



the OVAL HSI looks goofy, but works great.  it makes the area where the pointer is very large so the istrument flies like a 6" HSI.  



The entire unit is very intuitive and with little or no briefing someone should be able to jump in it and fly away.



Again, what I flew was a prototype but it will be a really cool box.



Tailwinds,

Doug Rozendaal

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ian(at)twingles.com
Guest

Posted: Wed May 09, 2007 7:14 am Post subject: Tru Trak EFIS

 	  Quote: 	
		  Subject: Tru Trak EFIS

From: "B25Flyer" < dougr(at)petroblend.com (dougr(at)petroblend.com)>

"The EFIS is smooth as silk.  I love my Dynon, but

it jumps around in turbulence.  The Tru Trak is rock solid smooth." 	

That's because it's not an artificial horizon. It's a VSI and turn rate indicator. It will show you pitched down as you're stalling with your nose way above the horizon. It will look more stable because it's much less responsive and indicates something totally different than every other EFIS on the planet. The heading on it is GPS track so it only updates accurately once per second. 

 	  Quote: 	
		  "The entire unit is very intuitive and with little or no briefing someone should 

be able to jump in it and fly away."

Actually, it's not. It looks like it's an artificial horizon, but it's something totally different. Someone just jumping into the plane will assume it's a horizon and can get into some serious situations with it. It's going to be the one instrument in a plane that will require serious training so that people don't use it like they think they should based on all of their years of experiences with artificial horizons. The heading tape isn't magnetic so you can't fly ATC vectors with it, you can't use it for unusual attitude recovery like you would an AH, and it will show you banking as you slip. 

  [quote][b]

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stein(at)steinair.com
Guest

Posted: Wed May 09, 2007 7:59 am Post subject: Tru Trak EFIS

I  don't have time to fully respond to this, but the information Ian provided below  is just WRONG, WRONG, WRONG. I'll put more when I have a chance  later.

  

 Cheers,

 Stein.

 [quote]   --

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Ed Anderson

Joined: 10 Jan 2006
Posts: 475

Posted: Wed May 09, 2007 9:01 am Post subject: Tru Trak EFIS

Be interested in your rebuttal, Stein,  because from  what is posted on the TruTrak Web page (below) 

 it sure appears that pitch attitude is primarily based on  vertical speed (gyro enhanced).

  

 Ed

  

 [quote]   ----- Original Mes                    ADI                             

Bank angle is instantaneous gyro data.

Pitch is gyro enhanced vertical          speed.

Direction is an electronic DG showing          

track. Extreme bank angle is enunciated by flashing red arrows which          indicate required stick motion to correct unusual attitude. Low airspeed          warning is enunciated by flashing A-S on the display. Solid state rate          gyros for pitch and roll.         

          

 sage ----- 

   From:    SteinAir,    Inc. (stein(at)steinair.com) 

   To: rv-list(at)matronics.com (rv-list(at)matronics.com) 

   Sent: Wednesday, May 09, 2007 11:57    AM

   Subject: RE: RE: Tru Trak    EFIS

   



   I    don't have time to fully respond to this, but the information Ian provided    below is just WRONG, WRONG, WRONG. I'll put more when I have a chance    later.

    

   Cheers,

   Stein.

   [quote]     --

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_________________
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com

Ed Anderson

Joined: 10 Jan 2006
Posts: 475

Posted: Wed May 09, 2007 9:01 am Post subject: Tru Trak EFIS

Be interested in your rebuttal, Stein,  because from  what is posted on the TruTrak Web page (below) 

 it sure appears that pitch attitude is primarily based on  vertical speed (gyro enhanced).

  

 Ed

  

 [quote]   ----- Original Mes                    ADI                             

Bank angle is instantaneous gyro data.

Pitch is gyro enhanced vertical          speed.

Direction is an electronic DG showing          

track. Extreme bank angle is enunciated by flashing red arrows which          indicate required stick motion to correct unusual attitude. Low airspeed          warning is enunciated by flashing A-S on the display. Solid state rate          gyros for pitch and roll.         

          

 sage ----- 

   From:    SteinAir,    Inc. (stein(at)steinair.com) 

   To: rv-list(at)matronics.com (rv-list(at)matronics.com) 

   Sent: Wednesday, May 09, 2007 11:57    AM

   Subject: RE: RE: Tru Trak    EFIS

   



   I    don't have time to fully respond to this, but the information Ian provided    below is just WRONG, WRONG, WRONG. I'll put more when I have a chance    later.

    

   Cheers,

   Stein.

   [quote]     --

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_________________
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com

rtitsworth

Joined: 16 Jan 2006
Posts: 76
Location: Detroit, Mi

Posted: Wed May 09, 2007 11:49 am Post subject: Tru Trak EFIS

Ed,  

The prior discussion/post was about the TruTrak EFIS.  You seem to be citing a reference to a different instrument - the ADI.  

I’m confused.  Does the EFIS use the ADI???  

Rick  

         

  

From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Ed Anderson

 Sent: Wednesday, May 09, 2007 1:02 PM

 To: rv-list(at)matronics.com

 Subject: Re: RV-List: RE: Tru Trak EFIS  

  

     

Be interested in your rebuttal, Stein,  because from what is posted on the TruTrak Web page (below)   

    

it sure appears that pitch attitude is primarily based on vertical speed (gyro enhanced).  

    

   

    

Ed  

    

   

  [quote]    

----- Original Mes             

[b]ADI[/b]         

              

Bank angle is instantaneous gyro data.

   [b]Pitch   is gyro enhanced vertical speed[/b].

   Direction is an electronic DG showing 

   track. Extreme bank angle is enunciated by flashing red arrows which indicate   required stick motion to correct unusual attitude. Low airspeed warning is   enunciated by flashing A-S on the display. Solid state rate gyros for pitch   and roll.         

         

  

   

  [b]

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Ed Anderson

Joined: 10 Jan 2006
Posts: 475

Posted: Thu May 10, 2007 10:40 am Post subject: Tru Trak EFIS

My Oops then.  No experience with either, just what I  read on their web site.  Perhaps carried the inference about  pitch reference  too far.  But, still curious as to what pitch is  referenced to.

  

 Ed

 [quote]   ---

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_________________
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com

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