Rear Fuselage Skins Done

Time: 5.5hrs

A momentous day for the airplane. Today the rear fuselage got closed up. Before closing it up I doubled checked that all the holes that need to be dimpled for the parachute area where correct. The only way to really check is to place the cover one the parachute box hole and verify that any holes that are covered by the cover skin are dimpled. I missed two on the right front side so it was good I checked.

Lots of photos below

Here’s the left and right side, checked and ready to go for riveting. The two areas I had some fitment issues where the tail cone along rib 6 (I think) and up in front on the right side along the join to the bottom skin… maybe 10 rivets. Other then that everything lined up great.

All the dimpling finished and checked for the parachute area.

Com1 antenna mount in place. I’ll need to install a few rivnuts here later for mounting the antenna.

Top of fuselage along the join. I used an edge tool to put a bit of a bend on the edge so that it seals well. Seems like it will work well. Thanks Peter for sharing this on your build log.

This is the luggage door area. The spot where the open rivet holes are have a spacer behind them. The spacer fits between the inside of the skin and a channel piece, But I noticed that the spacer they give isn’t really thick enough so I’ll have to make a thicker one or add to the existing. I found this after I riveted it and saw that he skin was being pulled a bit so I drilled out the rivets. I’ll have to come back to this.

Here’s where the space goes. It’s a good size gap, probably 1/8″ or a little less.

Here’s the spacer only about a 1/16″

Almost done

A good shot of the holes that I sized up to 4mm. There are a few on rib 6 and the last 4 holes on the top join. The long line on the top to bottom skin join is because of a prior issue with the skin and the longeron holes not lining up.

Still need to do some work here.

And it’s done. It all came out pretty good. Not too many bumps or pulls in the skin.

The only area that may need some work is the top middle section right where the com1 antenna and parachute box area is. Even though I made a spacer along the rib for the antenna bracket there is bump in the skin. It’s not that big of a deal since the parachute cover will cover that area up, but it would be nice to get it looking better. I did notice that even on the factory built planes this area is bumpy so I don’t feel too bad.

So next is to finish up riveting the luggage area… floor, parachute box, etc. then I should be good to put the front fuselage side skins on.

 

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