You will want to be at least 10-20 feet away from the copter when you do this. Bend down so that you are level with the running copter. Put on your safety goggles, and make sure your partner (if you have one) is wearing goggles as well. Next, turn your helicopter on, just so that it gets an inch or two of lift.In order to adjust this so that the blades have even angles, you should first mark each rotor blade's tip with a different colored piece of tape. If the angles of each blade are off from another, one blade will lift higher and cause your helicopter to crash. Most helicopters will hover between 4.5 and 5.5 degrees of positive pitch. Each of your rotor blades sits at an angle. Small changes in the amount of fuel can drastically change the center of gravity.Īdjust the tracking of your blades. If you are using a gas powered helicopter, it is even more important to consistently check the CG.This could mean removing it with a screwdriver, or a pair of pliers, depending on how your battery pack is attached. If your CG is off, you will need to remove and position the battery pack in a more equidistant position.If it begins to tilt backwards or forwards permanently, the CG is off. The helicopter will begin to pivot back and forth. Another method to use is to hold your helicopter by the fly bar (if equipped with one).A perfect CG is when the body of the helicopter sits perfectly perpendicular to that of the rotor blades. If the CG is bottom heavy, the nose will rotate upwards. If the CG is top heavy, the tail boom will rotate upwards. Tile the blades so that one is pointing straight down, while the other is pointing straight up. Hold the helicopter by the middle of the rotor blades. (Click a video a second time to view it larger in a new window.Check the center of gravity (CG). You can get the whole thing zipping around through the air pretty fast and do spins, panicked falls with recovery, backwards flight, and "j-turns." It can be pretty fun, without being scary. While the Hawk 4 can fly very smoothly, it can also pick up some speed, and the maximum turning rate is not at all sluggish. If you get going too fast, you can easily just reverse to stop pretty quickly, or again, you can just let go of the right stick, and the heli will level itself out and stop. Forward/reverse motion is a little smoother around the edges, but very confidence-inspiring. When you tell the heli to turn, it begins to turn immediately, but without a sudden jerking motion, and when you let go of the right controller stick, it stops its turn and holds its direction exactly where you left it. The gyro system works perfectly and is very smooth. It can come about as close to hovering in one spot in the air as you can ask of a $35 toy. What do you know, the Fast Lane Hawk 4 flies like it's well-built. This doesn't affect anything performance-wise of course, it's just a little frustrating. Depending upon how the wire got folded up inside, it can be hard to get the plug out and/or hard to shut the door when you put it back in. My ownly grievance with the charging system is that the sliding door on the controller that houses the charging jack has the most unfriendly design I've ever encountered for such a thing. It'll take anywhere from 20 to 30 minutes to fully charge a completely drained battery, but the heli comes out of the box already halfway charged, so you'll be in the air much sooner than that. Because of its small size, it's paired with a controller that doubles as a charger for the heli. There's nothing new about its design, following a now well-known formula for 3-channel (up/down, right/left, forward/back) helicopter design. It looked well-built, and after I unboxed it at home, it felt well-built as well. ![]() ![]() Second, much of its construction is metal, from the side frames to the tail boom. First, it is advertised as having gyroscopic stabilization, an electronic assist to help you keep the craft under control. However, a couple of things about the Hawk 4 gave me a lot of hope when I first saw it on the shelf at Toys R Us. Honestly speaking, Fast Lane has had a lot more misses than hits in their RC aircraft product line.
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