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RV-7A Tip-up QB build project
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Date:  5-11-2012
Number of Hours:  9.50
Manual Reference:  
Brief Description:  canopy shroud, fitment to deck and panel ribs

With a first fit of the canopy shroud to the open front end of the cabin and panel succsessful in terms of match to the forward deck skin, I removed the canopy shroud assembly and spen quite a lot of time bending and tweaking and pulling and squeezing the assembly frame in particular to get a perfect fit on the cockpit walls - I eventually got a satisfactory fit but did not realize that this was not necessary to the degree I took it due to a complete misfit being likely once the frame skirtings and cabin frame were all assembled and also once the skin was properly drilled and fitted / pulled on to the frame weldment additional tweaking would be necessary to get a good fit.

Various steps were instructed in prepping the welded frame for skinning which included laying UHMW tape inside the skin at the contact and rubbing points on the shroud before assembly. I followed these steps from marking the frame for alignment but put it one side when I could not apply the tape since we had none in the workshop, I thought I would get back to that later next week.

I also recognized a new issue with the modified panel 'ribs' which had been trimmed to clear the frame as it was before but were either very tight or in the way of proper travel of the hinged frame in it's fully assembled position in conjunction with the now assembled forward deck structures, I marked as much material as I thought I could afford to trim to give the clearnace needed on the left and right ribs but it is likely that these will need even more trimming at final fitting given a final hinge location and fit of the frame to the cabin.
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