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The Mosquito wing was built in one piece for strength and lightness, with two wooden box spars, laminated spruce flanges and plywood webs. The trailing edge was rakishly swept forward, and the wingtips were replaceable units. The aerofoil was a Piercy Modified Section RAF 34. The center part of the wing carried the welded steel engine bearers and mountings for the radiators directly onto the front spar. A "D" section box for the outer wing leading edges was also attached to the front spar. Spanwise spruce stringers over the ribs supported the plywood wing skins. The upper surface had two skins, with the stringers sandwiched in between. After the whole thing was glued and screwed together, a final covering of Madapolam cotton fabric was stretched on with dope and painted. This resulted in an beautifully smooth surface that was virtually impossible to achieve in metal at that time.

The 10 internal fuel tanks were nested in the cavities between the spars, completely accessible from below. Outboard of the nacelles were two tanks of 32 and 24 gallons, inboard two of 79 and 65 gallons, and in the fuselage two of 68 gallons. Most later versions could carry external drop tanks of 50, 100, or eventually 200 gallons, or 500 lb. bombs, on pylons under the strengthened no. 8 rib. Also, long range tanks could be installed in the bomb bay.

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Mosquito wing structure.
1942
Downsview, Ontario, Canada
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3

Mosquito flap mechanism.
1942
Downsview, Ontario, Canada
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4

Mosquito wing section.
1942
Downsview, Ontario, Canada
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5

The Massey Harris plant.
1944
Weston, Ontario, Canada
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6

The rotary jig.
1944
Weston, Ontario, Canada
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7

A finished fabric-covered wing.
1944
Downsview, Ontario, Canada
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8

Mosquito radiator detail.
1942
Downsview, Ontario, Canada
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9

Mosquito radiator (front view).
1942
Downsview, Ontario, Canada
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10

Mosquito radiator (rear view).
1942
Downsview, Ontario, Canada
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11

Mosquito radiator detail.
1942
Downsview, Ontario, Canada
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12

The Mosquito radiator shop.
1943
Downsview, Ontario, Canada
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13

Mosquito flame-damping exhaust shroud.
1942
Downsview, Ontario, Canada
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14

An exhaust flame shield.
1943
Downsview, Ontario, Canada
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