Sikorsky-Boeing reveal FVL attack helo concept - IHS Jane's 360

IHS Jane's 360

Sikorsky-Boeing reveal FVL attack helo concept IHS Jane's 360 While Sikorsky-Boeing is building on the former's X2 to develop a compound co-axial helicopter for the Defiant, Bell has opted to continue with its tiltrotor development for the Valor (AVX is maturing its co-axial compound helicopter design, while ...

http://www.janes.com/article/69477/sikorsky-boeing-reveal-fvl-attack-helo-concept