Sunday, July 7, 2013

Page 14-02 Build Time: 272 hrs




Back to turning aluminum into art. I've finally finished school and have my weekends back to work on the plane. I finished section 13 in June and it wasn't that big of a deal. There are only a handful of rib clips to debur and attach and I didn't prime them since the half of them are already on the spar and I see no point in trying to prime those. The spars are hung in the rafters for now while I work though section 14. Those parts will be primed as well as the rest of the wing assembly Section 14 is pretty straight forward and I was very carful not to take any more material off the stub spars where they will mate with the fuselage. I've read where others have found the wing rocking due to a bad fit and I think I read where there are over sized stubs but that would be a nightmare trying to dig those out of the assembly. I should have the parts for section 14 ready to prime next weekend and will have a primer day the following weekend. After that I'm off to OSK on the motorcycle. A long ride to the midwest. I've done it a couple times and it's always an adventure. Next year the plan is to take the mighty Cessna to OSK with the Hayward Air Rally.
This turned out to be a nice way to gage the countersink. Make a template and size the hole. 
Getting a nice group of parts ready for prime. Most of the deburring was done on the scotchbrit wheel. While I was in Harbor Tools the other day I saw a nice polishing motor. It has a longer shaft and a lower profile. They didn't have any in the box but I'll grab one next time I'm there. It was only $35 and doing this on the wheel is so much faster.
Not sure if the photo depicts the difference but the parts are pretty rough before debur. On the right are finished parts.
Aluminum to Art!

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