The new, jet powered "Predator C" took its first flight recently. Not to be confused with the MQ-1C Sky Warrior, the Predator C "Avenger" is a project that was started before Sky Warrior, and has taken much longer to get off the ground. The first flight was supposed to have been two years ago, but there were technical problems that kept coming up.
Shortly after the first flight was announced, the first picture was released. The Predator C is 41 feet long, and was apparently built to be stealthy. The next one built is expected to be 43 feet long. The V shaped tail and smooth lines of the swept wing aircraft will make it difficult to detect by radar. There is a humpbacked structure on top of the aircraft, for the engine air intake. There is apparently an internal bomb bay to hold about a ton of weapons, or additional fuel to provide another two hours of flying time, in addition to the standard 20 hours endurance. The 4,800 pound thrust engine appears to be built to minimize the heat signature sensors can pick up. The manufacturer, General Atomics, has a division devoted to building stealth features into aircraft. This includes the world's largest indoor radar cross section testing facility. Despite the bomb bay, the Predator C is expected to be used primarily to carry a ground surveillance radar, which could be mounted on the bottom of the aircraft in an aerodynamically smooth enclosure.
The U.S. Navy has been interested in Predator C since the beginning of development. Thus the Predator C wings can be built to fold, for use on carriers, and has a tail hook, used primarily for carrier landings. The Predator C, unlike the larger Global Hawk, could operate from carriers. The Predator C used landing gear from the F-5, an aircraft of the same weight class.
Predator C appears to be a larger, jet powered version of the five ton Predator B It was supposed to start flight tests by the end of 2006, but that was pushed into 2007, and then 2008. The Predator B costs about seven million dollars each, and the Predator C is expected to weigh twice as much, and cost three times as much. But that will still be about half the cost of a 13 ton Global Hawk.
The Predator C is expected to deliver about 85 percent of the performance of the Global Hawk, at about half the price. To compete with this, there is a "Global Hawk Lite" in development. The Predator C is designed to fly high (up to 60,000 feet) and cross oceans. Until recently, the Predator C didn't, officially, exist, and was a "black" (secret) program. No longer.
Most of the cost of these "strategic UAVs" is in the space satellite grade sensors. The MQ-4 Global Hawk, with minimal electronics, costs about $40 million. But you can easily add over $60 million worth of satellite grade gear to either a $20 million Predator C, or a $40 million Global Hawk. Thus Global Atomics is trying to come up with a lot of improved features (more reliable, easier to maintain, cheaper to run) for their Global Hawk competitor.