"george and Sebastion
It does actually matter which orientation the ublox antenna is pointing. The radiation pattern is actually a hemisphere. This information can be found on the antenna manufacturers website as follows:…"
"The winglet adding to the stability of the craft is not really due to the aerodynamic effects, but rather the increased moment of inertia from the extra mass out at the tip. I worked on the monocopter at Embry-Riddle and we found this out through…"