| 41. | It was designed to be easy and inexpensive to build, the two wing spars being made from pressed-sheet ribs.
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| 42. | On each side a forward leaning bracing strut runs from the lower rear cabin to the front wing spar.
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| 43. | Stress cracks began appearing in the wing spars and ribs of the RB-57Fs after a few years of service.
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| 44. | The modifications included strengthening of the main and rear wing spar carrythroughs and the addition of aileron balance weights.
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| 45. | Vertical oleo struts from the ends of the axles were attached to the forward wing spars; the track was.
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| 46. | Although he managed to land at Chu Lai, the aircraft was a total loss due to a warped wing spar.
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| 47. | Placing the wing low down allows good visibility upwards and frees up the central fuselage from the wing spar carry-through.
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| 48. | It was mounted on a pair of substantial streamlined struts from the lower fuselage longerons to the front wing spar.
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| 49. | A routine inspection in February 1944 at Albrook Field in the Panama Canal Zone uncovered cracked wing spars and other corrosion.
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| 50. | Two pairs of lift struts ran from the bottom of the fuselage to the wing spars just inboard of mid span.
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