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RV-8 Flap Sensor - A Simple Installation Design...?

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Matt Dralle
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Joined: 08 Nov 2005
Posts: 26321
Location: Livermore CA USA

Posted: Tue Feb 03, 2009 8:05 pm Post subject: RV-8 Flap Sensor - A Simple Installation Design...?

Does anyone have a simple, reliable installation design for the little position sensor from MAC Trim when used with the Electric Flap option on the PP QB RV-8?  I've scratched my head for few hours now and have some ideas, but nothing that really seems like its simple enough or not prone to jamming.  What have other builders done?  Pictures would be great!



Thanks,



Matt Dralle

RV-8 #82880/N998RV (res)

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Matt Dralle
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crowbotham(at)hotmail.com
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Posted: Wed Feb 04, 2009 4:35 am Post subject: RV-8 Flap Sensor - A Simple Installation Design...?

Hi Matt C

  

 While Dave and I did not utilize a MAC flap indicator on our 8 C we did install a micro switch for our AOA (now Advanced Flight Systems) to toggle between cruise and landing configuration. We utilized a micro switch that activated at 20 degrees flap extension. It was a simple bracket located on the opposite end of the flap weldment ( right side of the bracket - facing forward). Before Jim Frantz sold his AOA company to Advanced Flight Systems there was a picture of the installation. You might call Advanced and see if they still have a copy of the installation jpegs or le me know and I'll try and find it.

  

 Chuck Rowbotham

 (RV-8A sold)

 Dave has a RV-9A underconstruction) (Repeat offender)

   



 	  Quote: 	
		   Date: Tue C 3 Feb 2009 20:03:42 -0800

 To: rv-list(at)matronics.com

 From: dralle(at)matronics.com

 Subject: RV-8 Flap Sensor - A Simple Installation Design...?

 

 

 Does anyone have a simple C reliable installation design for the little position sensor from MAC Trim when used with the Electric Flap option on the PP QB RV-8? I've scratched my head for few hours now and have some ideas C but nothing that really seems like its simple enough or not prone to jamming. What have other builders done? Pictures would be great!

 

 Thanks C

 

 Matt Dralle

 RV-8 #82880/N998RV (res)


	


Windows Live™: Keep your life in sync.  Check it out.

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Tailgummer(at)aol.com
Guest

Posted: Wed Feb 04, 2009 7:13 am Post subject: RV-8 Flap Sensor - A Simple Installation Design...?

Matt, I simply bent a piece of scrap Al (025 or 032??) to mount my POS-12.  Since the screws fastening the support to the bulkhead were inside of  the baggage wall (between the baggage wall and the fuselage skin), I used #6 nut  plates (for future service). In addition the termination of the wires (pins and  barrels) are on the fwd side of the bulkhead (in case I needed to change out the  sensor in the future... old photo during construction).  You'll need to  adjust the length/position of the threaded rod/clevis for the appropriate  travel

   Pretty simple and has worked well on my AF2500.

                                                                                                         John D'Onofrio

                                                                                                         RV8  N585JD

                                                                                                     (Tailgummer(at)aol.com (Tailgummer(at)aol.com))

  

  

  In a message dated 2/4/2009 4:36:35 A.M. Pacific Standard Time,  crowbotham(at)hotmail.com writes:

  	  Quote: 	
		  Does    anyone have a simple, reliable installation design for the little position    sensor from MAC Trim when used with the Electric Flap option on the PP QB    RV-8? I've scratched my head for few hours now and have some ideas, but    nothing that really seems like its simple enough or not prone to jamming. What    have other builders done? Pictures would be great!

 	  Quote: 	
		   

    Thanks,

 

 Matt Dralle

 RV-8 #82880/N998RV    (res)

	

	


  [quote][b]

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Tailgummer(at)aol.com
Guest

Posted: Wed Feb 04, 2009 7:14 am Post subject: RV-8 Flap Sensor - A Simple Installation Design...?

Forgot the photo, sorry.

  

 

                                                                                                                       John D'Onofrio

  

  In a message dated 2/4/2009 4:36:35 A.M. Pacific Standard Time,  crowbotham(at)hotmail.com writes:

  	  Quote: 	
		  From:    dralle(at)matronics.com

 	  Quote: 	
		   Subject: RV-8 Flap Sensor - A Simple    Installation Design...?

 

 

 Does anyone have a simple,    reliable installation design for the little position sensor from MAC Trim when    used with the Electric Flap option on the PP QB RV-8? I've scratched my head    for few hours now and have some ideas, but nothing that really seems like its    simple enough or not prone to jamming. What have other builders done? Pictures    would be great!

 

 Thanks,

 

 Matt Dralle

    RV-8 #82880/N998RV (res)

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aerobubba(at)earthlink.ne
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Posted: Wed Feb 04, 2009 12:35 pm Post subject: RV-8 Flap Sensor - A Simple Installation Design...?

Hi Matt-



I've used that sensor in my -8, and would be happy to send you pix.  Unfortunately, I'm on the road this week and will not be able to access the pix until the beginning of next week.



GM



Glen Matejcek

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