While doing layouts for the fuselage side skins earlier today, I decided to throw together this little bit of javascript

to help me calculate rivet spacing's. Not everything is a nice multiple of 20 or 40 millimeters.

I have a web server on my home network so I can bring this up in my IPad while I am in the shop.

Enter the distance and the desired rivet spacing. The page will print out the hole locations at or under

the desired rivet…

I have been experimenting the last few weeks trying to figure out how to best create the joggles to go over the .093  longerons on the lower fuselage.

I tried the wood block method given in the zenith cd. I tried  the slotted aluminum sheet method as I had seen on the EAA homebuilder tips videos. I tried a third  method shown in the homebuilt help using a tucking fork and a hammer. I tried my vice. Perhaps it was  just due a lack of skill on my part, but the joggles I got…