INDIAN ARMED FORCES CHIEFS ON OUR RELENTLESS AND FOCUSED PUBLISHING EFFORTS

 
SP Guide Publications puts forth a well compiled articulation of issues, pursuits and accomplishments of the Indian Army, over the years

— General Manoj Pande, Indian Army Chief

"Over the past 60 years, the growth of SP Guide Publications has mirrored the rising stature of Indian Navy. Its well-researched and informative magazines on Defence and Aerospace sector have served to shape an educated opinion of our military personnel, policy makers and the public alike. I wish SP's Publication team continued success, fair winds and following seas in all future endeavour!"

— Admiral Dinesh Kumar Tripathi, Indian Navy Chief

Since, its inception in 1964, SP Guide Publications has consistently demonstrated commitment to high-quality journalism in the aerospace and defence sectors, earning a well-deserved reputation as Asia's largest media house in this domain. I wish SP Guide Publications continued success in its pursuit of excellence.

— Air Chief Marshal A.P. Singh, Indian Air Force Chief
SP's Military Yearbook 2021-2022
SP's Military Yearbook 2021-2022
       

Straight Up, Straight Down

Issue: 05-2010By SP’s Aviation News Desk

An electric ducted quadrotor vertical take-off and landing UAV

The Cyber Quad is an electric ducted quadrotor vertical take-0ff and landing (VTOL) unmanned aerial vehicle (UAV). Cyber Quad is a unique amalgamation of state-of-the-art VTOL UAV technologies, combining mechanical simplicity, low noise, stability and agility of a quadrotor, with the compactness, safety and efficiency of ducted fans. With only four moving parts that are safely shrouded, the Cyber Quad is easily transportable and rapidly deployable and involves low maintenance cost.

The Cyber Quad employs direct drive brushless electric motors, avoiding the inefficiencies, maintenance and noise of gearboxes and internal combustion engines. By running relatively low speed rotors with the tips aero-dynamically entrained by the duct wall, BVI noise and tip losses are significantly reduced. These features contribute to the Cyber Quad having a very low noise signature for stealth applications.