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Question
#41665. robboy
asks:
Of all the UH-1 model helicopters used in Vietnam, what was the significant difference of the UH-1C model?
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Senior Moments
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The UH-1C (1965) could seat nine troops, had an improved rotor, and a greater range. The UH-1C was powered by a single Lycoming T53-L-11D 1100 shp engine. The rotor head was the "540" rotor system, used only on the UH-1C (and the UH-1M). This was the prototype of the rotor system later used, without stabilizer bar and dampers, on the AH-1G Cobra. The chord of the rotor blades (distance from the leading edge to the trailing edge) was much longer on the UH-1C than on all other model "Hueys". The UH-1C also featured a brace extending from the aft fuselage to the weapons mount. This support was only used on the UH-1C and the UH-1M, an engine upgrade to the UH-1C. These aircraft were also the only "Hueys" with the fuel filler cap located on the left side of the fuselage.  http://www.redstone.army.mil/history/aviation/factsheets/uh1.html
Nov 27 03, 10:49 AM
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robboy
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Very much so, although the main purpose and difference for all the enhancements and such was because the C model was used exclusively as a gun ship platform. Good research.
Forgot to mention that all the other models of the UH-1 (Huey)A through H, were for troop and equipment use, hence the name: Utility Helicopter.
Nov 27 03, 3:20 PM
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