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The new Ventus 2bx arose from  positive results found from the new design of the Ventus 2ax. The performance advantages and the improvement of the flight characteristics, are due to a combination of the lower drag of the new horizontal and vertical stabilizer airfoils, developed by Professor Loek M. Boermans, together with newly developed winglets from Dr. Mark Maughmer, Pennsylvania State University, in the USA. With these changes it was possible to refine the flight characteristics of the Ventus 2bx, especially at low speeds and high wing loading, as had done with the Ventus 2ax.

Furthermore, the Ventus 2bx now incorporates the fuselage of the Ventus 2c as the basis for its new fuselage and the cockpit interior. This will allow for more space and comfort for the pilot. In addition, to allow for the installation of a ballistic sailplane rescue system, the cockpit structure has been improved to fulfill the specifications for energy absorption. 

What is new on the Ventus 2bx:

A completely new tail section based on the latest technology utilizing low drag airfoils on the horizontal tail and the fin, with clearly thinner profiles and a new geometry. 

New developed winglets from Prof. Dr. Maughmer.

A completely redesigned cockpit interior and fuselage outline.

A disc brake on the 5 inch wheel is now optionally available.

Improved ventilation controls and seating comfort.

What has improved the Ventus 2bx:

Better gliding performance and handling characteristics at low speeds.

Faster acceleration and higher performance due to the reduced drag of the tail and fuselage.

Improved rudder effectiveness, giving more harmonized and stable flight characteristics.

Reduced bug contamination on the horizontal tailplane and fin.

Climbing in turbulent thermals with high wing loading is easier than it was before, due to the new winglets and tail unit.

Better climbing performance at high wing loading in weak thermals. This is the result of the improved low speed flight characteristics of the Ventus 2bx and gives the pilot competitive advantages.

Improved protection for the pilot and better landing shock absorption due the 5 inch wheel.

More effective ventilation due the adjustable nozzle on the right side of the cockpit.

 

Wingspan	15 m	49.21 ft
Wing area	9.67 m²	104.10 ft²
Aspect ratio	23.3	23.3
Empty mass approx.	235 kg	518 lb
Max. all-up mass	525 kg	1157 lb
Fuselage length	6.81 m	22.34 ft
Cockpit width	0.62 m	2.03 ft
Cockpit height	0.81 m	2.66 ft
Wing loading	31.5 - 54.3 kg/m²	6.4-11.1 lb/ft²
Max. water ballast	200 kg	52.8 US/Gal 44 IMP Gal
Max. permitted speed	270 km/h	146 kt / 168 mph
Maneuvering speed	180 km/h	97 kt | 112 mph
Minimum sink rate	0.51 m/s	100 fpm
Maximum L/D		not yet measured