I recently purchased a model 4-1200 with a 912S and it came with Grove gear.
It appears that the Grove gear moves the axle line forward in relation to the leading edge of the wing in comparison to the stock Kitfox bungee gear.
If that is true it may help explain why the model 4 tail feels so much heavier than my model 2 tail.
Does anyone know what the Grove gear does regarding the wheel base in comparison to stock Kitfox issued bungee bag.
Thanks Herman