Boeing Fortress II
Title
Boeing Fortress II
Description
An aircraft recognition card with a side photograph of a flying B17 and on the reverse three silhouettes and technical details.
Creator
Coverage
Language
Format
One double sided printed card
Publisher
Rights
This content is available under a CC BY-NC 4.0 International license (Creative Commons Attribution-NonCommercial 4.0). It has been published ‘as is’ and may contain inaccuracies or culturally inappropriate references that do not necessarily reflect the official policy or position of the University of Lincoln or the International Bomber Command Centre. For more information, visit https://creativecommons.org/licenses/by-nc/4.0/ and https://ibccdigitalarchive.lincoln.ac.uk/omeka/legal.
Contributor
Identifier
MDarbyCAH927893-180202-010023, MDarbyCAH927893-180202-010024
Transcription
[photograph]
VALENTINE’S “AIRCRAFT RECOGNITION” CARDS
VALENTINE & SONS, LTD.,
DUNDEE and LONDON.
Printed in Gt. Britain.
[page break]
“THE PROFICIENCY TEST” SERIES. No. – 12
THE BOEING FORTRESS II.
BRITISH HEAVY BOMBER.
Four Wright motors of unrevealed type and horse power possibly 1,600 h.p. 14 cylinder Double Row Cyclones with turbo-super-chargers. In large scale production by the Boeing Douglas and Lockheed-Vega aircraft Companies, cost approx. £70,000 each, more than 1,000 ordered. Three power operated gun turrets. Long fin extended forward along the top of the fuselage to give stability at great heights.
Dimensions. – Span, 103 ft. 9 3/4 in.; length, 73 ft.; height, 15 ft. 6 in.; wing area, 1486 sq. ft.; aspect ratio, 7.25.
Weight. – Loaded about 60,000 lb.
Performance. – (approx.) Max. speed, 305 m.p.h. at 20,000 ft.; service ceiling around 40,000 ft.
[diagram]
[diagram]
[diagram]
THESE DRAWINGS, REPRODUCED FROM “AIRCRAFT IDENTIFICATION,” ARE THE COPYRIGHT OF “THE AEROPLANE.”
RECOGNITION POINTS. – Four motor low mid-wing monoplane. Equal taper on leading and trailing edges, rounded tips, dihedral from roots. Gun turrets on top and underneath fuselage and behind tall single fin and rudder. Fin extends forward half the length of the fuselage. Big cantilever tailplane.
VALENTINE’S “AIRCRAFT RECOGNITION” CARDS
VALENTINE & SONS, LTD.,
DUNDEE and LONDON.
Printed in Gt. Britain.
[page break]
“THE PROFICIENCY TEST” SERIES. No. – 12
THE BOEING FORTRESS II.
BRITISH HEAVY BOMBER.
Four Wright motors of unrevealed type and horse power possibly 1,600 h.p. 14 cylinder Double Row Cyclones with turbo-super-chargers. In large scale production by the Boeing Douglas and Lockheed-Vega aircraft Companies, cost approx. £70,000 each, more than 1,000 ordered. Three power operated gun turrets. Long fin extended forward along the top of the fuselage to give stability at great heights.
Dimensions. – Span, 103 ft. 9 3/4 in.; length, 73 ft.; height, 15 ft. 6 in.; wing area, 1486 sq. ft.; aspect ratio, 7.25.
Weight. – Loaded about 60,000 lb.
Performance. – (approx.) Max. speed, 305 m.p.h. at 20,000 ft.; service ceiling around 40,000 ft.
[diagram]
[diagram]
[diagram]
THESE DRAWINGS, REPRODUCED FROM “AIRCRAFT IDENTIFICATION,” ARE THE COPYRIGHT OF “THE AEROPLANE.”
RECOGNITION POINTS. – Four motor low mid-wing monoplane. Equal taper on leading and trailing edges, rounded tips, dihedral from roots. Gun turrets on top and underneath fuselage and behind tall single fin and rudder. Fin extends forward half the length of the fuselage. Big cantilever tailplane.
Collection
Citation
Valentine & Sons, “Boeing Fortress II,” IBCC Digital Archive, accessed May 1, 2025, https://ibccdigitalarchive.lincoln.ac.uk/omeka/collections/document/39699.
Item Relations
This item has no relations.