Friday, April 07, 2006

Little Sneak

This is the entry-level stealth aircraft. I kept the “V” shaped fuselage of my first Cessna sketch but added new stealthy wings and tail.

The Wings are swept back about 45 degrees so that the radar has to be about 45 degrees off heading to get a good reflection from them. It’s a cheap trick and somewhat less than the optimum, but it avoids the aerodynamic problems of having an unconventional wing profile, although a sharp leading edge and a very thing (but not flexible) wing would help.

Because my wing is swept back at 45 degrees though, it means I have to place it further forward so that I can maintain the centre of lift position. It would also increase take-off speed/distance and landing speed/distance, being generally worse at slow flying than the straight winged Cessna. But performance isn’t my goal so I don’t care.

I have also done away with the conventional tail with right-angle intersections; radar would bounce around and reflect a lot, particularly from the side. Instead I have added a “V” tail of more than 90 degrees between the two sections. This is again something common on stealth aircraft.

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