Why did the nose pith *up*? Why did adding flippers not work right?

you had a wing like the fokker eindecker ...
http://en.wikipedia.org/wiki/Fokker_Eindecker

Preliminary Wind Tunnel Testing of WWI Fighters
the two WWI fighters and to serve as a preliminary study in preparation for
more . complete stability and control testing performed in November and
December ...
pdf.aiaa.org/preview/CDReadyMASM06_778/PV2006_333.pdf -