![]() The Powerup 4.0 box comes with four papers, each making an "Invader"-class plane. The harsh New England winter was not easy on either plane chassis, and we found that concrete or hard floor landings will break propellers nine out of ten times. It's strongly recommended that any Powerup 4.0 plane is flown in an outdoor location with suitably clear weather and grassy ground. We tested the "Invader" and "F22 Raptor" models using the Powerup 4.0 module. ![]() With only four menus, it allows you to switch between planes to adjust the gyro, fly the planes, look over flight statistics, and even fine-tune controls to your preference. These features are nicely enhanced by the Powerup4 app, available on both iOS and Android. We find that the gyro accelerometer and data analytics built into the computer contribute to the high-drain, slow-charge nature of the 4.0, but is worth it for the smart-plane quality. ![]() The lithium polymer battery does take thirty minutes to charge, which can be off-putting for those excited to fly, but it can be easy to charge on the go with portable batteries and a micro-USB charger. Maintaining 30%-50% power in flight is recommended for a beginner flight. As for battery, the claimed ten minutes of flight time can go down quickly if you're not careful with the throttle. With a Bluetooth range of 240 feet, we never found the plane faltering during flight, and the additional Bluetooth strength indicator on the app helps check your connection mid-flight. The rubber nose of the module helps product the computer and battery, and the carbon-fiber material makes it durable overall for many flights and crashes. So, be careful with handling before takeoff. We found this to be a sensible specification, as propellers at full speed can cut you, which we unfortunately demonstrated. ![]() The motors on the main module are impressive, and the full-throttle speed is claimed to be 20mph. Each separate plane design comes with a QR code that points to a video tutorial on putting it together, each of which has beginner friendly and concise directions. Out of the box you get the main module, a charging cable, four plane templates, a support crossbar, a spare propeller set, trim card, and user guide. This gives free rein to hobbyists who wish to try designs made for Powerup, or make their own. Powered by twin motors and controlled through smartphone via Bluetooth, Powerup 4.0 can attach itself to paper, light balsa wood, and foam hobby planes under 20 grams to enable powered flight. ![]()
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