Approximately measures the overload.
1 Attach it to your aircraft.
2 Fly and pull your stick, reach the extreme turning speed.
3Use camaras to read how long the spring moves.
4Every mark means 2Gs of gravity overload.
5Higher over load you can get means better handling performace of the aircraft.
*Suggest attaching to tails
*Weighs 560lbs.
*Remember to balance light aircrafts.
*Using different colors on the marks makes it easier to read.
*NOTICE If you turn the spring to 250%, every mark shows 5G.
#i've tested the spring on the ground with engines. the 100% spring provides 559.42lbf every 5cm, if the engine power declared in the menu is correct. the spring obeys the Hooke's law. it's own mass doesn't affect it's motion. so i'm just providing an idea.