The XSBU-1 Scout Dive Bomber evolved from the earlier XF3U-1 two seat fighter. The XF3U-1 was discontinued as the Navy moved from two seat to single seat fighters. The prototype XF3U-1 was stripped of parts that were then used on a strengthened airframe to preform duties as a scout dive bomber prototype.
XF3U-1 9222 Left Side View 9/18/1933 VAHF photo |
Some of the easily identifiable design changes from XF3U to XSBU were engine exhaust routing, the addition of cowl flaps, and bomb displacement gear.
XSBU-1 9222 Left Front View 6/1/1934 VAHF Photo |
XSBU-1 9222 Left Side 6/1/1934 VAHF Photo |
From Vought Engineering Report 3669 Detail Specification Model SBU-1 Airplane (Class VSB) dated 3/13/35:
"a single-engine scout and dive bomber landplane for use aboard aircraft carriers. This airplane shall be similar to Model XSBU-1 airplane procured under Contract 34816 from the Chance Vought Corporation."
"As a landplane, it shall take off from the deck of an airplane carrier without the aid of a catapult, and land on the carrier deck in an arresting gear, or on an ordinary landing field. The airplane shall not be designed for float type landing gear. The airplane shall not be designed for catapulting."
XSBU-1 9222 Right Side 9/20/1935 VAHF Photo |
SBU-1 9750 Left Side 8/9/1935 VAHF Photo |
The following artwork is courtesy of LukGraph.
Previously I did a post on a specially painted and modified SBU-1 which is linked here: SBU-1 Flagship
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