arrow paper airplane

Advantage

1) less surface, low air resistance
2) sharp tip, low air resistance

Disadvantage

1) cant stay long time in the air
2) weight quite balance

Need to use hard paper

improvement
1)Bigger wing, can stay longer in the air

Disadvantage

1) Bigger surface, high resistance
2) tip is a bit heavy than the end, not good balance

improvement

1) using light paper, balance is better now

disadvantage

quite light, cant throw far but can stay quite long in the air

improvement
using heavy and hard paper
flip the side wing, make the path more straight
flip the end of the wing, can make the balance better
need to throw hard to get far distance