Mosquito Specifications

FB 26 (Merlin 225)

Type: Fighter Bomber.

 

Dimensions

Wingspan                    54 ft 2 ins

Length                          39 ft 9ins (tail down)

                                       40 ft 8 ins (tail up)

Height                          12ft 3.5 ins (tail down)

Wheel track                 16 ft 4 ins

Wing Area                    454 sq ft.

 

Engines

Two Rolls Royce Merlin 225.

Single stage two speed supercharged V12 engines.

Coolant Ethylene Glycol/Water

Capacity                       1649 cu ins 27 litres.

 

Take off power Merlin 225

             Take Off          1,635 hp at 3000 rpm and +18 lbs boost.

                                       1,680 hp at 2,500 ft 18 lbs

                                       1,545 hp at 9,800 ft 18 lbs

 

Gear change                12,500 ft

Max cruise                   2650 rpm +7 lbs

Max climb                    2850 rpm +9 lbs

Engine weight            1500 lbs.

 

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

 

Performance

Max                                378 mph @ 13,200 ft

Max Cruise                  296 mph @SL

Econ Cruise                 250 mph

Climb                             9.5min to 9,500ft

Ceiling                          26,000 ft

Range                            Max 1,120 miles

                                       At Max Cruise 960 miles at SL.
Weights

Empty                            13,797 lb

Max                                21,473 lb

 

Armament

4 x 20mm Cannon with 150 rpg.

4 x .303in MG with 750 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 300 FB 26 were built.