Question:
A rotor having the following properties :
m1 = 4 kg r1 = 75 mm θ1 = 45o
m2 = 3 kg r2 = 85 mm θ2 = 135o
m3 = 2.5 kg r3 = 50 mm θ3 = 240o
Determine the amount of the countermass at a radial distance of 75 mm required for the static balance.
Answer:
Data :
