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Thursday, July 13, 2017

Firewall forward and forward top skin 2.0: 6 hours


  • Prepped, primed and painted battery boxes and some aluminum spacers for the firewall and a previously installed doubler
  • Curved fuselage forward top skin with large piece of pvc pipe. I taped the edge of the skin to the pipe and rolled it on the work bench. I also held the pipe inboard from the edge and put a little more curve in. It turned out great.
  • I also put a "strong" edge roll on each side of the skin where it will attach to the longerons.
  • All the above paid off. The skin now fits very well and is very tight but did not require any thing beyond a few wing nut clecos (in addition to standard clecos) to get it in place.
  • I did the initial drilling of the new skin to the forward fuselage ribs and sub panel.
  • I also received a new gadget ... The Grove Aircraft Acrovalve. This is a check valve vent for the brake reservoir so if you are doing aerobatics you won't spill brake fluid in the engine compartment.


Grove Acrovalve on brake reservoir, old vent fitting to right:

Very happy with fit on the 2.0 skin:

The wing nut clecos were helpful in several spots:

After curving the skin with the large PVC pipe:

Reading to paint the battery boxes:

Ready to paint a doubler I installed some time ago: