Even if one stone weighs twice as much as the other and the string is half the length, the dynamic forces will not be the same. Hermes Kelly Handbag Leather. Because you don't know how your helicopter will perform during this maneuver, I recommend Figure 19-7. Rudder offset allows you to adjust the tail rotor's neutral position without radio compensation during climbs and descents. Hermes Kelly Handbag Leather. This is not as difficult as it sounds, since you are practically spreading the cards one at a time. The large screens on some computer radios are easy to see, and they provide a good view of the adjustment functions. Hermes Kelly Handbag Leather. To help prevent this, the left thumb lies on top of the deck, applying light but firm pressure.