[ArmA3] Fancy slingloading (Wonky in multiplayer)

[(vehicle player), (_this select 1)] spawn fn_slingLoad;

fn_slingLoad = {
  params["_heli","_tank"];

  _mass = getMass _tank;
  rope = ropeCreate [_heli, [0,0,-2],_tank, [2,2,0], 10];
  rope2 = ropeCreate [_heli, [0,0,-2],_tank, [2,-2,0], 10];
  rope3 = ropeCreate [_heli, [0,0,-2],_tank, [-2,2,0], 10];
  rope4 = ropeCreate [_heli, [0,0,-2],_tank, [-2,-2,0], 10];
  _tank setMass 500;
  waitUntil{!isTouchingGround _tank};
  sleep 5;
  waitUntil{isTouchingGround _tank};
  {
    ropeCut [_x, 5];
    ropeDestroy _x;
  } forEach [rope,rope2,rope3,rope4];

  _tank setMass _mass;
};