 The AJ @-@ 1 was a three @-@ seat , high @-@ wing monoplane with tricycle landing gear . To facilitate carrier operations , the outer wing panels and the tailfin could be manually folded . It was fitted with two 2 @,@ 300 @-@ brake @-@ horsepower ( 1 @,@ 700 kW ) Pratt & Whitney R @-@ 2800 @-@ 44W Double Wasp piston engines , mounted in nacelles under each wing with a large turbocharger fitted inside each engine nacelle , and a 4 @,@ 600 @-@ pound @-@ force ( 20 @,@ 000 N ) Allison J33 @-@ A @-@ 10 turbojet was fitted in the rear fuselage . Only intended to be used for takeoff and maximum speed near the target , the jet was fed by an air inlet on top of the fuselage that was normally kept closed to reduce drag . To simplify the fuel system , both types of engines used the same grade of avgas . One 201 @-@ US @-@ gallon ( 760 l ; 167 imp gal ) self @-@ sealing fuel tank was housed in the fuselage , and another 508 @-@ US @-@ gallon ( 1 @,@ 920 l ; 423 imp gal ) tank was located in each wing . The aircraft usually carried 300 @-@ US @-@ gallon ( 1 @,@ 100 l ; 250 imp gal ) tip tanks and it could house three fuel tanks in the bomb bay with a total capacity of 1 @,@ 640 US gallons ( 6 @,@ 200 l ; 1 @,@ 370 imp gal ) . Other than its 12 @,@ 000 @-@ pound ( 5 @,@ 400 kg ) bombload , the bomber was unarmed . 
