All of the wing surfaces were either enlarged or lengthened for the added control needed in the torpedo bombing role. One of the few qualities of the Tigercat left untouched was its 2 x Pratt & Whitney R-2800-22W "Double Wasp" air-cooled radial piston engines of 2,400 horsepower each. These would be used to drive four-bladed propeller units and held in streamlined nacelles at each wing mainplane, extending beyond both the leading and trailing edges.
Dimensions included a length of 46.3 feet, a wingspan of 59.4 feet and a height of 16 feet. To stow properly on American carriers, the wings were made to fold which reduced the span to 32 feet. Empty weight was estimated at 17,300lb with a gross weight ballooning to nearly 26,200lb. A crew of two would be featured.
Estimated performance had the aircraft reach speeds between 390 and 415 miles-per-hour with a range out to 975 miles on internal fuel alone (with a listed combat radius of 420 miles). Its service ceiling was proposed at 36,500 feet with a rate-of-climb reaching 4,000 to 4,400 feet-per-minute.
The original Tigercat armament was reworked to be just paired 0.50 caliber heavy machine guns found at each inboard wing section. Provision was made to also replace these weapons with single-mounted 20mm autocannons at a future date. The internal bay could hold up to 2,000lb of stores, these being either a single Mark 13 torpedo, a large bomb, a collection of smaller bombs, depth charges or naval mines. There would be two external underwing hardpoints set to carry an additional 1,000lb of ordnance (each).
Just like the earlier XTB2F-1 proposal, the XTSF-1 was also thought to be much too large and heavy for service on the then-current generation of American fleet carriers. This ended all hope for the Tigercat conversion as a torpedo bomber and the XTSF-1 was cancelled as soon as January of 1945. The war ended in August of that year.
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