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Author Topic: Interesting Concept: Boeing P3B Maritime Patrol Bomber  (Read 2501 times)
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« on: 17 November 2011, 01:46:46 »

Hi Everyone!

Presented here is information (b&w illustration, 3-view line drawing and data) on the Boeing P3B maritime patrol bomber.


* Boeing P3B.PNG (155.93 KB, 550x659 - viewed 391 times.)

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« Reply #1 on: 17 November 2011, 07:22:12 »

The Boeing XP3B-1 Model 466 was a land-based long range patrol aircraft
powered by two 5.200hp Allison XT-40 engines driven contrarotating propellerss.

Wingspan: 110ft.
Lenght: 90ft 6in.
Gross weght: 92.000lb.

Tandem type undercarriage with outrigger wheels in engine gondola's.

Service designation : XP3B-1 - type not built.

Boeing Aircraft since 1916 - Peter M.Bowers. Putnam .London1989.

According to the British Secret Projects site it was a no-go:

Given the engines, it would've been unsuccessful, anyway.  The Allison XT40 was the ruin of a number of otherwise good aircraft (Convair Tradewinds, NAA TurboSavage. Douglas Shyshark, etc.) and was two gas generators of the similarly unsuccessful XT38 driving a common gearbox.  The XT38 went through a complete re-design to become the T56 and a corresponding development of the XT40 was proposed as the T54 but never built.

The overall description sounds roughly like a XB-55 derivative with only one engine pod on each side.


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