The Nitro Delta is my first Nitro Engine flying wing design. It is designed with a pair of special wing-tips that look alike to the MXS (one of the Red Bull Air Race Aircraft). The main purpose of this design project is to investigate the use of such wing-tip configurations on a flying wing to reduce drag and improve performance.
Test flying shows that this speedy aircraft has impressive handling performance. Despite having a relatively small engine (O.S 10LA), it is capable of making very tight loops and rolls, with predictable and easy-to-recover stalling habits. It is also very stable and easy to control; even my beginner friend has no problem flying it. I think the wing tips concept proved to be a brilliant choice for this particular flying wing.
The only area of improvement of this aircraft is its landing gear. Unfortunately the front and rear gears are built too closely together, making a soft landing extremely hard. To reduce the possibility of a prop-strike, I have to shut the engine down before touching down. That way the propeller would not be spinning and the chance of it hitting the ground is minimized.
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