Martin B-10 / B-12

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Martin B-10, B-12, B-14 - track version[/heading]

XB-10 - first prototype jednoplošného a twin-engined bomber with a partially zatahovatelným the chassis, the test designation of the XB-907 with the engines of the SR-1820-E, after the reconstruction with the larger span, engines R-1820-19 and a modified bow XB-907A
YB-10 - test series with engines R-1820-17 and zakritými cabins, 14 pcs
YB-10A - prototype with turbocharged engines R-1820-31
B-10 - two machines with this designation ordered like the replacement, it is not known whether they were really built
- the main serial version, engines R-1820-33, 103 pcs
B-10M - B-10B adapted for towing targets

[url=/topic/view/159436/Martin-YB-12]YB-12
- test series with engines R-1690, 7 pcs
- a series with an enlarged supply of fuel, 25 pcs
B-12AM - designations for machines equipped with float landing gear

XB-13 - a prototype with the engine of the R-1860, canceled before construction
XB-14 - a prototype with the engine R-1830
And-15 - the proposed battle variant with engines R-1830
YO-45 - YB-10 briefly tested as a fast observation plane

[url=/topic/view/159440/Martin-139W]139W
- export version, with engines R-1830:
- 139WA - 40 pcs for Argentina, 13 139WAN for the navy with engines R-1820-G2 and 27 139WAN for the army with engines R-1820-G3
- 139WC - 6 pcs for China, engines R-1820-G3
- 139WS - 6 pcs for Siam, engines R-1820-G3
- 139WT - 20 pcs for Turkey, engines
- 139WH-1 - 13 pieces for the Dutch east Indies,
- 139WH-2 - 26 pcs for the Dutch east Indies, engines R-1820-G3
166 - also 139WH-3, engines R-1820-G5 or R-1820-G105A, revised cabin

Source:
http://www.aerofiles.com/_martin.html
www.americancombatplanes.com
.

URL : https://www.valka.cz/Martin-B-10-B-12-t77755#286318 Version : 0
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