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Firefly flap question

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stuart(at)harnerfarm.net
Guest

Posted: Fri Jan 31, 2014 6:04 pm Post subject: Firefly flap question

OK guys, with the aileron in the neutral position, when you go to full flaps, how far does the trailing edge of the flaps drop?

 

The reason I ask is I am working on the flaperon handle.  I clamped everything in place to make sure it was all aligned properly before drilling and riveting.  With the slider all the way  back (handle in the down most slot) everything  lines up fine.  When I move the handle to the uppermost slot (full flaps) the slider only moves a little more than halfway of non-painted area of the torque tube.

 

So, is there more travel on the torque tube than needed, or does the flap handle bracket not allow enough travel?

 

From the plans, total trailing edge movement of the ailerons is 8” (4” up and 4” down).  This seems a little small when looking at the ailerons, but about right when looking at the joystick.  So, if a 4” drop is normal for aileron deflection, what is normal for flap deflection?

 

Thanks in advance,

 

Stuart

  [quote][b]

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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Fri Jan 31, 2014 6:18 pm Post subject: Firefly flap question

Should be about 40 degrees full down and 20 degrees half down.  Or, I should say, the flaps on my MKIII operate to those limits.  I feel like it is a near perfect rigging.

 

4 inches up and down travel of the ailerons seems to be about right.  I'd have to go over to the airstrip and measure mine to be sure.

 

john h

mkIII

Titus, Alabama

 

From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of Stuart Harner

Sent: Friday, January 31, 2014 8:04 PM

To: kolb-list(at)matronics.com

Subject: Firefly flap question

 

OK guys, with the aileron in the neutral position, when you go to full flaps, how far does the trailing edge of the flaps drop?

 

The reason I ask is I am working on the flaperon handle.  I clamped everything in place to make sure it was all aligned properly before drilling and riveting.  With the slider all the way  back (handle in the down most slot) everything  lines up fine.  When I move the handle to the uppermost slot (full flaps) the slider only moves a little more than halfway of non-painted area of the torque tube.

 

So, is there more travel on the torque tube than needed, or does the flap handle bracket not allow enough travel?

 

From the plans, total trailing edge movement of the ailerons is 8” (4” up and 4” down).  This seems a little small when looking at the ailerons, but about right when looking at the joystick.  So, if a 4” drop is normal for aileron deflection, what is normal for flap deflection?

 

Thanks in advance,

 

Stuart 	  Quote: 	
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

beauford173(at)tampabay.r
Guest

Posted: Fri Jan 31, 2014 6:57 pm Post subject: Firefly flap question

Brother Harner:

Mine droop about 2.5 inches at the trailing edge, but I have the original fifteen inch chord flaperons.

Your results may vary with the shorter ailerons in the current plans…

 

Worth what ye paid fer it…

 

Beauford

FF-076

Brandon, FL

 

From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of Stuart Harner

Sent: Friday, January 31, 2014 9:04 PM

To: kolb-list(at)matronics.com

Subject: Firefly flap question

 

OK guys, with the aileron in the neutral position, when you go to full flaps, how far does the trailing edge of the flaps drop?

  	  Quote: 	
		   	


  [quote][b]

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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Fri Jan 31, 2014 7:30 pm Post subject: Firefly flap question

Sorry Kolbers.  Disregard my response below.  I thought we were talking about MKIII's.

 

Getting old ain't for sissies.

 

john h

mkIII

Titus, Alabama

 

From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of John Hauck

Sent: Friday, January 31, 2014 8:19 PM

To: kolb-list(at)matronics.com

Subject: RE: Firefly flap question

 

Should be about 40 degrees full down and 20 degrees half down.  Or, I should say, the flaps on my MKIII operate to those limits.  I feel like it is a near perfect rigging.

 

4 inches up and down travel of the ailerons seems to be about right.  I'd have to go over to the airstrip and measure mine to be sure.

 

john h

mkIII

Titus, Alabama

 

From: owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com) [mailto:owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com)] On Behalf Of Stuart Harner

Sent: Friday, January 31, 2014 8:04 PM

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

Subject: Firefly flap question

 

OK guys, with the aileron in the neutral position, when you go to full flaps, how far does the trailing edge of the flaps drop?

 

The reason I ask is I am working on the flaperon handle.  I clamped everything in place to make sure it was all aligned properly before drilling and riveting.  With the slider all the way  back (handle in the down most slot) everything  lines up fine.  When I move the handle to the uppermost slot (full flaps) the slider only moves a little more than halfway of non-painted area of the torque tube.

 

So, is there more travel on the torque tube than needed, or does the flap handle bracket not allow enough travel?

 

From the plans, total trailing edge movement of the ailerons is 8” (4” up and 4” down).  This seems a little small when looking at the ailerons, but about right when looking at the joystick.  So, if a 4” drop is normal for aileron deflection, what is normal for flap deflection?

 

Thanks in advance,

 

Stuart 	  Quote: 	
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

Ducati SS

Joined: 15 Oct 2009
Posts: 93

Posted: Sun Feb 02, 2014 5:53 am Post subject: Re: Firefly flap question

I placed a tie wrap on the control tube and cycled the flaps full up to full down - 1 5/8 " total travel.

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stuart(at)harnerfarm.net
Guest

Posted: Sun Feb 02, 2014 4:48 pm Post subject: Firefly flap question

That sounds about right.  I will compare to my Firefly next work day in the

shop.  I know that the area of the torque tube that was not powder coated

was about twice that length, but maybe the slider is not supposed to move

that far.



Thanks for the help.



Stuart



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