I finally made it through all the parts needed for section 29 to be finished and got them prepped and primed. Once I got them primed, I went back and started building the upper and lower longeron assemblies that hold the engine mounts. For some reason you end up using cherry rivets in combination with the solid rivets. I don't know why but I followed directions.

Then you back rivet the stiffners and double for the wing spar support. It was pretty easy after the firewall session last section.

Once I was done I went though all my nuts and bolts and checked that they were all properly torqued. Then I used torque seal to easily identify which ones are done and if there are any changes due to vibrations in the future.

Then I just rebuilt the skins and cleco'd it all together. I used temporary bolts for both upper and lower longerons even though the plans only specifically say to bolt the lower longerons.

I also noticed that the firewall flanges were never dimpled and clearly they need to be since they received the dimpled skins and go into the counter sunk piano hinge. But I checked on the forums and found that indeed this step is not in the plans but you need to do it.

I also noticed that the two rivets just forward of the wing spars are very difficult to line up. Make sure you cleco these first and then worn your way around the rest or you will end up having to remove all the clecos in order to get this on straight.

Tomorrow my mentor is coming over as it's time to do the skins and this will be a two man job.