Need help with Anti-vibration Rubber Ball
I found:
http://www.banggood.com/DJI-H3-3D-St...-p-936809.html
But i have a question: what it means A40°, 50°, 40°, 30°?
How much is single load (in grams) for each mark?
A40°= ? gr
50° = ? gr
40° = ? gr
30° = ? gr