JF-17 Thunderís Aerodynamic Configuration

Posted on February 22, 2012 by Najam Khan - Blog Link

JF-17 Thunder – All round view                                                                                                                                    Chapter 2 : JF-17 Thunderís Aerodynamic Configuration

Air Inlets Design:



The Divert-less Supersonic Inlets DSI’s relatively small size helps in reducing the radar cross section thus help in decreasing the radar cross section
of the aircraft. Safety markings for ground crew are also visible on both sides of the intake.

A detailed view of JF-17 radome, antennas and air inlets.


JF-17 uses BUMP intake technology, which provides enhanced performance to the aircraft.
The presence of various cooling points above the intake increases the airflow through the aircraft.

A close up of electronics bay cooling air inlet (present on the intake BUMP). The prominence area is ground cooling point.
During ground testing aircraft is connected to ground cooling unit, which keeps the aircraft components from getting hot.

Leading Edge Root Extension (LERX) :

A close up of Leading Edge Root Extension (LERX) of the JF-17. LERX provides great lift to the aircraft and enhances
the high Angle of Attack (AOA) maneuvering of the aircraft.

Forward ailerons and backward flaperons:


A view of forward ailerons of JF-17, when aircraft is on the ground these leading wing edges face few degrees downward.
Just like LERX, they also provide more lift to the aircraft.

A complete view of JF-17′s wing, with PL-5E II missile on its tip.

JF-17 has fowler flaperons, which bend down to increase the amount of drag.
They blend with the wing, forming one large surface hence increasing the lift.

A JF-17 photo with ailerons and flaperons labeled. A JF-17 piloted by Wing Commander Khalid Mehmood lifts off during
the Zhuhai Air Show in 2010. The Chinese photographers did an outstanding job in capturing the Thunder.

Twin Ventral Fins:

Two ventral fins are located under the rear fuselage and flaps joint. These fins increase the maneuverability of the aircraft. During greater weapon load take off and loose handling, these fins serve as the last option to save the aircrafts rearward belly from hitting the ground. The area along the side of fuselage is coated with Radar Absorbing Material (RAM), which decreases the radar signature of the aircraft. JF-17 is one of the fewest aircraft with smaller visual/IR and radar signature.



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