hello friends need to know some questions
gum delta launch catapult, how many kilos of drag is when it is stretched?
Use a rubber quirurgic tense 15-meter to 90 meters ...
but the model leaves lacing of the catapult, the catapult will this model still falls to the ground and dragging on the ground, ending the rubber boom, when off the ground.
I need to know how much drag it there using gum
Pulse flying friends urgent
Moderator: Mike Everman
