| If someone familiar with stealth technology can weigh in. This appears to be powered by a turbo-prop engine and a pusher propeller. I've read that metal propellers create a large radar cross section. But, what about composite or wood propellers? And, can the rest of the craft be built with a composite structure and covered with fabric, to reduce the radar cross section? I realize it's hard to hide the engine, but can the rest of the craft be constructed to reduce the RCS to the point that it won't be detected (or perhaps ignored) until it's too late to stop it?
By comparison, this is the UK's stealth drone, which obviously looks quite more advanced than the new Israeli drone:
And yes, the prop would reflect a lot of radar energy back. It doesn't take much. When Scott O'Grady's F-117 was shot down in Yugoslavia in 1999, it's rumored that it's because one of his bomb bay doors did not close (either a malfunction or pilot error). That open door was enough for the ground-based missiles to get radar-lock and shoot him down. O'Grady was fortunately rescued by our SAR forces. But on a side note, left behind was Scott's F-117 canopy, which is on display at the Museum of Aviation in Belgrade.
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