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Home > Vehicles> Ships/ Boats > Military
PT 109 US Torpedo Boat (for 3D Studio Max)
• Offered By: DigimationModelBank
• Downloadable File Size:
5.54 M (approx.)
• Polygon Count:
• Uploaded on: 6/17/07
• System Requirements: Windows/ Mac, 3D Studio Max
• File Format: 3D Studio Max
This product contains: max, and/ or prj files.
• Texturing: Combination
This product uses a combination of image maps and procedural shaders for textures.
Note: since this product uses procedural textures, it may not work correctly in programs other the one listed above.
• Readme File: Click Here
• How do I download my purchase?
The PT-109 belonged to the PT 103 class, of which hundreds were completed between 1942 and 1945 by the Elco Naval Division of Electric Boat Company at Bayonne, New Jersey. The Elco boats were the largest PT boats operated by the US Navy during World War II. They had strong wooden hulls of 2 inch thick mahogany planks, not plywood. Three 12-cylinder 1,500 hp (,1100 kW) Packard gasoline engines (one per propeller shaft) generated as much horsepower as a B-17 bomber. Their designed top speed was 41 knots. The center engine was the only engine with a rearwards shaft. Because the center propeller was deeper, it left less of a wake, and was preferred by skippers for low-wake loitering. The engines were fitted with mufflers at the tail which resembled large automobile mufflers to direct the exhaust under water, but had to be bypassed for high speed. These were used not only to mask their own noise from the enemy but to be able to hear threatening aircraft which were rarely detected overhead before dropping their bombs.
It could accommodate 3 officers and a crew of 14 sailors, with the typical crew size varying from 12 to 14. At full load, the PT 109 displaced 56 tons. United States Ship PT-109 was a PT boat commanded by Lieutenant (Junior Grade) (LTJG) John F. Kennedy (later United States President) in the Pacific Theater during World War II. Kennedy`s actions to save his surviving crew after the sinking of the PT-109 both solidified his "war hero" status in his political career and may have contributed to his long-term back problems.
The principal offensive weapon was the four torpedoes. She was fitted with four 21-inch (53 cm) torpedo tubes containing troublesome Mark 8 torpedoes, whose design dated from the First World War. They were similar to those carried by torpedo bombers, which weighed about 2,000 lbs each, with 800 lb warheads, and gave the tiny boats a punch at least theorectially effective even against armoured ships. Their speed of 27 knots was very effective against shipping, but they were slower than the top speed of the destroyers and cruisers they were tasked with targeting in the Solomons. Torpedoes were also useless against shallow draft barges, which would become the majority of the PT targets and victims. With their machine guns and 20 mm cannon, the PT boats could not return the large caliber gunfire carried by destroyers which had a much longer effective range, though they were effective against aircraft and strafing ground targets. A direct shell hit in the engine compartment to boats witnessed by Kennedy sometimes resulted a total catastrophic loss of boat and crew. A boat would have to close within 5 miles for a shot, well within the gun range of destroyers. The boats would have to approach masked by darkness, fire their torpedoes which gave away their position, and then flee behind a smoke screen. Sometimes retreat was lit by flares dropped by the greatly feared seaplanes which also dropped bombs on the boats. PT boats had to rely on their smaller size, speed and maneuverability as well as darkness to survive. PT boats were often seen in the context of David and Goliath, pitting wooden boats filled with gasoline against steel destroyers with large caliber shells. A less optimistic remark referred to them as plywood coffins.
This model is a 3DMax model, saved in version 7 as a MAX file, and requires 3DMax or Gmax to open the model. It does not include any other formats to allow it to be opened in any other software. The model is mapped and textured.
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