Mosquito Specifications

B35 (RAF service Merlin 113,114 and 114A)

Type: Unarmed pressurised high altitude bomber.

 

Dimensions

Wingspan                    54 ft 2 ins

Length                          40 ft 4.5ins (tail down)

                                       41 ft (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 114A. Or one 113 and one 114

Two stage two speed supercharged intercooled V12 engines.

Coolant                         Ethylene Glycol/Water

Capacity                       1649 cu ins 27 litres.

Max power Merlin 113/114/114A

             Take Off          1,225 hp at 3000 rpm and +18 lbs boost.

                                       1,690 hp at 13,000 ft 18 lbs

                                       1,345 hp at 27,250 ft 18 lbs

 

Gear change                19-21,000ft

Max cruise                   2650 rpm +7 lbs (MS gear)

                                       2850 rpm +7 lbs (FS gear)

Max climb                    2850 rpm +12 lbs

Engine weight            1645/1665 lbs


Propellers

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

 

Fuel Capacity

100/130 Octane

Fuselage                       2 x 46.5 gal

Inner wing                   2 x 65 gal

                                       2 x 78 gal

Outer wing                   2 x 24 gal

                                       2 x 34 gal

Long Range                 121 gal (in bomb bay not normally fitted)

Drop Tanks                  2 x 100 gal Metal

 

Maximum Fuel                       816 Imp gal

 

Performance

Max                                425 mph @ 30,500 ft

                                       410 mph @ 17,500 ft

                                       326 mph @ sea level

Max Cruise                  379 mph @30,000 ft

Econ Cruise                 300 mph @30,000 ft

Ceiling                          42,000 ft

Range                            Max 1,750 miles with 4,000 lb bomb @310 mph.


Weights

Empty                            14,635 lb

Max                                23,000 lb

 

Armament

Total loads of up to 4000lbs:

 

4 x 500 lb bombs or Target Indicators internally

 

500 lb on each wing racks

 

1 x 4,000 lb HC bomb internally.

 

 

Crew

Pilot and Observer (Navigator)

 

Equipment

Mark T1B or Mk III low level Bombsight.

 

 

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 274 B 35’s were built of which several survive today.