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		jbhart(at)onlyinternet.ne Guest
 
 
 
 
 
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				 Posted: Sun Jan 29, 2012 6:44 pm    Post subject: What's inside the vertical stab below elevator   level | 
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				Dave,
 
 I copied part of page 4 of the FireFly assembly book, and I have sent it as 
 an attachment.
 
 To help explain the assembly, I marked all of the steel welded components 
 that make up the boom tube attachment ring and vertical stabilizer post with 
 a red dot.  All components not marked are assembled aluminum parts.
 
 Jack B. Hart FF004
 Winchester, IN
 
 At 04:10 PM 1/29/12 -0500, you wrote:
  	  | Quote: | 	 		  
 
 Hi again, Kolbers,
 
 I have a tear in the fabric circumferentially around the tube that runs 
 diagonally from the boom tube to the tail wheel and a wrinkle up both 
 sides to the upper tube.  I don't know what goes on inside the 
 triangular piece of vertical stab beneath the level of the elevator, so 
 I don't know if the problem is just fabric or something with the tube 
 inside.  Does anyone have a photo of the tubing of that section of a FF 
 uncovered so that I can see what it's like inside?  Or perhaps a scan of 
 p. 5 of the builder's blueprint?  I don't want to cut the fabric if it's 
 only a fabric malfunction, but I don't want to land with a broken tail 
 wheel assy, either.
 
 Thanks for any enlightenment.  Something most of us can use from time to 
 time...
 
 Dave Kulp
 Bethlehem, PA
 FireFly 11DMK
 
 Do Not Archive
 
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		undoctor
 
 
  Joined: 21 Oct 2008 Posts: 212 Location: Bethelhem, PA
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				 Posted: Mon Jan 30, 2012 9:01 am    Post subject: What's inside the vertical stab below elevator   level | 
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				Phil, Gary Jack,
 
 Thanks for the info on the tail wheel assembly and the info on the pulse 
 pump.  The pump will be replaced before I'm aloft again.
 
 Re: the tail wheel assembly, the photos and blueprints are a world of 
 information.  Now I can probe thru the fabric and know what should be 
 where doing what, making it pretty simple to figure what is happening.  
 Also, Gary's description of tight turns torquing the assembly gave me 
 some insight.  Second last day I went up was right after quite a bit of 
 rain.  I thought the only unwanted result was a lot of muddy slop thrown 
 on the bottom of my wings and tail section, but knowing the effect of 
 tight turns gave me a gestalt moment.  My FF is hangared in a converted 
 construction trailer.  When I was backing it down the ramps, with me in 
 front of the FF pushing and then holding back with nylon straps, when 
 the tail wheel rolled off its track to the taxiway the FF stopped 
 suddenly.  I went back to check and found that the crushed stone was 
 soupy and the tail wheel turned 90 degrees sideways when it hit the 
 mush.  I had to get my tail wheel dolly to move it backwards off the 
 trailer.
 
 With my newly acquired knowledge I can return to the strip and learn 
 exactly what happened inside the fabric; I may be back to get the tail 
 wheel fix mentioned.  Thanks again for the responses.  I also learned 
 why they don't put reverse gear in taildraggers...
 
 Dave Kulp
 Bethlehem, PA
 FireFly 11DMK
 
 On 1/29/2012 9:45 PM, Jack B. Hart wrote:
  	  | Quote: | 	 		   Dave,
 
  I copied part of page 4 of the FireFly assembly book, and I have sent it as
  an attachment.
 
  To help explain the assembly, I marked all of the steel welded components
  that make up the boom tube attachment ring and vertical stabilizer post with
  a red dot.  All components not marked are assembled aluminum parts.
 
 
 | 	 
 
 
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