Monday, August 10, 2009

Tank stiffners and "Z" brackets

This update is being posted a little late.  We spent the evening working on the stiffner plates which attach to the two end ribs, preparing the capacitive fuel sensing plates (these measure how much fuel is in the tank), and the "Z" brackets which connect the fuel tank to the main wing spar.  Darren and I split the tasks for the evening -- I worked on the stiffner plates and capacitive fuel sensor plates and Darren worked on the "Z" brackets. 
The stiffner plate were made by cutting the proper shape on the bandsaw and then I used the grinder to fine-tune the fit to the tank skin.  After that I match drilled the stiffners to the ribs.
Next I match drilled the capacitive fuel sensor plates to the proper ribs and did the work necessary to install the platenuts on the sensor plates.
While that was going on Darren took care of a lot of things with the "Z" brackets.  He first match drilled platenuts to the brackets for the screws that will connect the fuel tank to the main skin.  Next he countersunk all of the rivet holes for the plate nuts and started the preparation for priming.
Scott match drilling a tank rib stiffner. 

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