Curtiss F11C / BFC / BF2C Goshawk
An overview of the versions:
XF11C-1 - torso P-6E with wings XP-23, later renamed as the XBFC-1
XF11C-2 - originally a company demonstrator Hawk II purchased USN, later renamed as the XBFC-2
F11C-2 - 28 serial machines, after adjustments renamed to BFC-2
XF11C-3 - prototype with manually zatahovatelným chassis, renamed to XBF2C-1
BF2C-1 - serial version, 27 pcs
Hawk II - export variant, derived from the XF11C-2
Hawk III - export variant of the BF2C-1
Hawk IV - prototype export version with a more powerful engine and a covered cabin
Source:
Swanborough, F. G., Bowers, P. M.: US Navy Aircraft Since 1912, Putnam Aeronautical Books, London 1990. ISBN 0-85177-838-0
Bowers, Peter M.: Curtiss Aircraft 1907-1947, Putnam Aeronautical Books, London 1979. ISBN 0-370-10029-8
http://www.aerofiles.com/_curt.html .
An overview of the versions:
XF11C-1 - torso P-6E with wings XP-23, later renamed as the XBFC-1
XF11C-2 - originally a company demonstrator Hawk II purchased USN, later renamed as the XBFC-2
F11C-2 - 28 serial machines, after adjustments renamed to BFC-2
XF11C-3 - prototype with manually zatahovatelným chassis, renamed to XBF2C-1
BF2C-1 - serial version, 27 pcs
Hawk II - export variant, derived from the XF11C-2
Hawk III - export variant of the BF2C-1
Hawk IV - prototype export version with a more powerful engine and a covered cabin
Source:
Swanborough, F. G., Bowers, P. M.: US Navy Aircraft Since 1912, Putnam Aeronautical Books, London 1990. ISBN 0-85177-838-0
Bowers, Peter M.: Curtiss Aircraft 1907-1947, Putnam Aeronautical Books, London 1979. ISBN 0-370-10029-8
http://www.aerofiles.com/_curt.html .