F.3 in 1964 entered the Royal Air Force. Excluding the P.1B converted from a prototype and by F .2

"Lightning" further modification was approved in 1958, and was named F.2.44 rack mass-produced "Lightning" F.2 of the first aircraft on July 11, 1961 completed its first flight. 44 there are two completed its first flight before it was adapted for other models. F.2 equipped with a reliable DC generator, oxygen breathing system replaces the earlier models of gaseous oxygen system, the new integrated flight control system OR.946 navigation system and automatic flight control system coupled together, the corresponding cockpit Instrument layout is also for the corresponding overall improvement, the new "Evan" 210R engine is using a slightly i offer modified afterburner.
"Red head" missile was originally named "fire 4." i offer Both kind of conical warhead missiles are very similar, but the "red head" missile has a circular heat-seeking seeker i offer rather than "fire" on. And "red head" aerodynamic control surfaces have also been a lot of improvement, although both missiles entire aerodynamic layout no major changes. The new "red head" missile range farther, i offer faster, stronger resistance to electromagnetic interference. But after an improved i offer seeker still only have limited "omnidirectional attack" capability that can be captured by aerodynamic heating aircraft flying at high speed to be reflected. "Red head" missile interceptor being asked to adapt to the requirements of a head, because the old-fashioned "fire" only half cone attack. In fact, most F.3 still some time to mount a "fire" because the "red head" missile initial reliability really unsatisfactory. As an internal weapon "Ardennes" gun to be canceled from the F.3.
Rolls-Royce i offer (RR) production company "Evan" 301 (RB.146) engine on the new aircraft are devices that can provide the maximum net thrust 58.86 kN and 72.77 kN plus pushing for "Lightning" force. The new engine is not only more powerful, but also for the ability i offer to adapt to external airflow and throttle operation is also stronger, which makes the pilot in flight without having to worry too much about the problem of the engine area. F.3 also improved for the new trapezoid tail fin, the area has increased by 15% to compensate for yaw performance caused i offer due to mount missile drop.
F.3 been identified as the ultimate "Lightning", but in fact it is relative to F.2 not much improvement. F.3 BAC recommends a wide range of additional improvements, but the RAF is only willing to upgrade its lowest level since the aircraft is still considered just a transition model. Royal Air Force refused i offer even purchase full by 弗伦提, Elliot i offer and BAC joint development of the automatic interception system, did not take into account this system is completely practical and has completed testing on P.1B, and the price just only 1.4 million GBP. This makes the "Lightning" has become a "manned missile" can only do some simple tasks interception.
F.3 in 1964 entered the Royal Air Force. Excluding the P.1B converted from a prototype and by F .2 upgrade comes F.3, total production of 70 F.3. This type of "Lightning" is equipped with a total of four squadrons of the Royal Air Force. Vintage i offer F.1 and F .1A in the mid-1960s have quit frontline units, but these aircraft continued to bear more than a decade of training and other second-line tasks, many of the aircraft fitted with a radar signal multiplier as radar target. In some missions, the aircraft removed some unnecessary equipment, has become a real "assembled vehicle." i offer
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