Curtiss P-40 i aktion – Skvadronsignal 26

Skvadronsignal
Serien	Flygplan i aktion
Ämne	Curtiss P-40 i aktion
Referens	26

Signerad dokumentation Skvadronsignal le livre «Curtiss P-40 i aktion – Squadron Signal 26» .

Få flygplanskonstruktioner har haft en så udda eller komplex bakgrund som P-40 serie. Man kan faktiskt undra varför flygvapnet valde att ge H-75P en beteckning som inte var ett strecknummer i P-36-serien, eftersom det i grunden var en P-36A med ny motor. Spin-offs från P-36-designen skulle resultera inte bara i P-40 utan även XP-37, XP-42, XP-46, XP-53, XP-60 och XP-62 plus de som fick Y-beteckningar och olika strecknummer.

Om du ignorerar Curtiss Hök biplanes, the family tree of the P-40 would seem to have its tap roots in the XP-934 Curtiss Swift of 1932 vintage. Although some experience in the low-wing monoplane type was gained when the company produced its famed Shrike series of attack planes, the Swift, or XP-31 as it was designated by the Air Corps, was their first low-wing pursuit design. By one of those odd quirks, the Swift initially was powered by an in-line engine which gave way to a more powerful radial, just the reverse of the P-36 to P-40 design development. The XP-31 was not successful with either engine and the design was soon abandoned (It did earn the dubious distinction of being the last U.S. pursuit plane with a fixed landing gear). The Curtiss Company’s fortunes took a downward turn in the pursuit field when the Boeing P-26A was selected by the Air Corps over the XP-31.

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