IBIS builder Hans v.d. Linden
On my way back to the north of Germany, I took a small detour to the south to visit Hans v.d. Linden, yet one more ‘Hans’ that feels compelled to build an RJ.03 IBIS homebuilt airplane.
Hans v.d. Linden is a Dutchman, just like the other two who build an IBIS, but in his case he never lived in The Netherlands. He lives in a small town west of Cologne - Germany.
He has been sitting on his build license for a couple of years and only recently started to assemble the first components, some of which turn up on this page.
Checking out his workshop - located in a cellar - a myriad of parts and small sub-assemblies could be found. The last couple of months he really pushed his project forward.
This is one of the lower fuselage semi-frames. The big hole in the middle is where the stick torque tube goes through, to end up at the flaperon mixer in the rear. Hans v.d. Linden has most of his fuselage frames ready for assembly, but other sub-assemblies currently take up too much space to be able to start the fuselage assembly. Hans v.d. Linden will be able to assemble his fuselage in his cellar based workshop and get it out in the open as well 
The firewall consists of a laminated arch, some internal bracing and a layer of plywood on both sides. The hollow spaces in between the plywood coverings is filled with Styrodur foam, which improves rigidity and also provides for a bit of soundproofing.
This is the lower part of the starboard winglet, the part that contains the directional spoilers that are activated by pedals.