The Mosquito Aircraft Association of Australia Incorporated

ABN - 68 831  327  047

FB VI (RAAF service Merlin 23 or 25)

Type: Fighter Bomber.

 

Dimensions

Wingspan                54 ft 2 ins

Length                    40 ft 10ins (tail down)

                                        41 ft 2 ins (tail up)

Height                    12ft 3.5 ins (tail down)

Wheel track            16 ft 4 ins

Wing Area              454 sq ft 42.18 sq m.

 

Engines

Two Rolls Royce Merlin 23 or 25.

Single stage two speed supercharged V12 engines.

Coolant Ethylene Glycol/Water

Capacity                              1649 cu ins 27 litres.

Take off power Merlin 23           1,390 hp at 3000 rpm and +18 lbs boost.

                                            1,460 hp at 6,250 ft 14 lbs

                                            1,435 hp at 11,000 ft 16 lbs

 

Take off power Merlin 25           1,610 hp at 3000 rpm and +18 lbs boost.

                                            1,635 hp at 2,250 ft 18 lbs

                                            1,510 hp at 9,250 ft 18 lbs

Gear change                                  8,750ft Merlin 23, 7000ft Merlin 25

Max cruise                          2650 rpm +7 lbs

Max climb                            2850 rpm +9 lbs

Engine weight                     1470lbs Merlin 23

                                            1455 lbs Merlin 25


Propellers

De Havilland (Hamilton Standard) three blade constant speed fully feathering.12 ft diameter

 

Fuel Capacity

100/130 Octane

           Fuselage                              2 x 25 gal

           Inner wing                           2 x 65.5 gal

                                                       2 x 78 gal

           Outer wing                          2 x 24 gal

                                                       2 x 34 gal

           Long Range                          63 gal

           Drop Tanks                          2 x 50 gal  or

                                                       2 x 100 gal

 

Maximum Fuel                               715 Imp gal 3250 litres

 

Performance

Max                                      378 mph @ 13,200 ft

                      608 km/hr

           Max Cruise                          296 mph @SL

                                                       476 km/hr

           Econ Cruise                         250 mph 402 km/h

           Climb                                    9.5min to 9,500ft

Ceiling                                 26,000 ft 7,900 m

 

Range                                   Max 1,120 miles 1800 km

                                                       At Max Cruise 960 miles at SL.
Weights

           Empty                                   14,300 lb 6,487 kg

           Max                                      22,300 lb 10,115 kg.

 

Armament

4 x 20mm Cannon with 150 rpg.

4 x .303in MG with 500 rpg

8 x 25lb or 60 lb Rockets

2 x 250lb or 500 lb Bombs internally

2 x 250lb or 500lb Bombs on wing racks

 

Crew

Pilot and Observer (Navigator)

 

 

Construction

Spars                                             Canadian Spruce

Plywood                               Beech and Birch

Panel core material                      Balsa

 

Limited amounts of walnut were also used in sections such as the wing attachment points.

 

Number built

A total of 2584 FB VI were built.

Mosquito Specifications