$23.10 $ 23. The Elco PTs served mainly in the Pacific; however, a small number also were used in the English Channel and the Mediterranean Sea. In carrying out this mission, the PTs were opposed by German Navy E-Boats and S-Boats. Much, but not all of the above information comes from. The PT boat fully matured during World War I. PT boats made during World War I were powered by steam. 178. About the value. The only heat on PT boats came from the stoves located in the galley, which was a small alcove off the crew’s quarters. Before being scrapped the PT boats were first stripped of their valuable armament. This website is used to educate the public and to keep them informed on the status of the World War II, Higgins PT Boat. After the campaign, the U.S. Navy returned the PT boats to Seattle. A key part of the overhaul was the installation of 20mm guns. All US Navy Motor Torpedo Boats (PT Boats) of World War II; listed by class, with descriptions and links to pages for individual boats. To do this, they were armed with torpedoes, rockets, mortars, and machine guns. The Imperial Japanese Navy routinely sent ships out at night during this period to deliver personnel, supplies, and equipment to Japanese forces operating in and around New Guinea and the Solomon Islands. 1941 PT 1-2 Length: 58-feet; Beam 16-feet; Draft 4-feet 4-inch; weight 30 tons; Speed: 30 kts; 2 engines 1000Hp; 2 screws with 2 rudders; carried 2 officers 1940 PT 3-4 Length: 58-feet; Beam 16-feet, Draft 4-feet 4-inch; weight 30 tons; Engines: 2 at(@) 1200 Hp; 2 screws (propellers) with 2 … The journey of the boats would represent the largest movement of PTs under their own power during the war. After further conferences with the Navy, Stuphen traveled to England to buy the boat with his own money. The boats would launch their torpedoes then disappear into the night as the enemy returned fire. Specific boats are listed in numerical order. Knowing what to ask when buying an engine from Yamaha, Mercury, Honda, or another manufacturer is critical. Outboard Boat Motors & Engines Different Sizes and Types of Outboard Motors and Inboard Engines. Additional Links & Resources. This boat is in excellent condition and comes with two 2004 Honda outboard motors, model BF115. PT Squadron 2 performed 19 of these missions for the Office of Strategic Services without once being detected by the Germans. And if you see gasoline around another boat, don't just sit around waiting to see things pop-find one of the boat officers and tell him about it. But steam engines eventually gave way to small internal combustion engines that offered faster speed and were less expensive to produce. 08PackardV12. In the annals of military history magazines, this is one of those moments. $121.45 $ 121. The U.S. Navy deployed Motor Torpedo Boat Squadrons 2, 3, and 6 in Iron Bottom Sound, the stretch of water at the southern end of The Slot between Guadalcanal, Savo Island, and Florida Island in the Solomons, to interdict the Tokyo Express. 2017 May 27, .50 cal. The Japanese battleship crews soon sighted the PT boats and began firing on them. Ask for this F25 Portable Mechanical ES/MS PT by stock number or make and model. With the exception of the experimental PT boats, all U.S. PT boats were powered by three marine modified derivations of the Packard 3A-2500 V-12 liquid-cooled, gasoline-fueled aircraft engine. The General Board advised Edison that the boat should be obtained as a check against the U.S. Navy’s continuing development and refinement of its PT boats. Three PT boats began closing on the target to make their attack. S/N BWC5J2361394. Their shallow drafts gave them a distinct advantage over vessels with deep drafts. at 2400rpm, some source state 1,800 hp.but that was the emergency rating at 2800rpm according to Packard documents. But there’s NEVER been anything like THIS before. Five aero variants were produced, of which the 3A-2500 was the most numerous. There are some more detail shots in the Higgins PT Boat Engine Room gallery that show the transmission shift lever better. Motor Torpedo Boat Manual, February 1943. WWII Quarterly, the hardcover journal of the Second World War that is not available in bookstores or on newsstands, and can only be obtained and collected through a personal subscription through the mail. (i.e., 3A-2500 then 3M-2500). Higgins’ boat measured 78.5 feet in length. It changed the world more than any other single event in history. The first engines developed 1,200hp, but later models with higher boost levels by the end of World War II made 1,500 hp. The engines were dry sump with an … PT-Boats List of Pacific PT Boats with sinking date, final demise or location today. Throughout the war the Packard engine underwent a number of key updates and modifications. right and left feed guns with the RSG (retracting slide group) cocking mechanism without the grips and triggers in 1/24th, 1/20th, and 1/16th scales added. The two engines face aft, through Joe’s Gear transmissions, each drive shaft connecting into a Watson and Flagg V-drive which then drove the prop shafts back  under each engine. Folks, "Know Your PT Boat," July 1945, was created very near the end of WW II to use as an introduction to PT Boats for crews' in training. The spar torpedo proved highly effective; however, by being so close to the explosion, the crew of the attacking vessel was in danger of being blown up as well. With an aluminum block with steel cylinder sleeves and weighing in at 2,900 pounds, the engine had a 6.4:1 compression ratio, and a centrifugal supercharger; later models were also fitted with an intercooler. The U.S. Navy ended up destroying most of its PT boats because the light wood from which they were made could not be stored for future use as could the steel used in decommissioned warships. A deal eventually was struck whereby the British Power Boat Company sold its private venture motor torpedo boat to the U.S. Navy. The only major revision from the Scott-Paine model was the use of a Packard engine in lieu of one from Rolls Royce. During typical usage, PT boat captains managed on one engine to conserve fuel and also preserve the element of surprise. The PT boats radioed their sighting to Rear Admiral Jesse Oldendorf, commander of Task Group 77.2 that was guarding the Surigao Strait. In August 1945 the U.S. Navy had 30 PT boat squadrons still in commission. Tour the worlds only operating authentically restored WW2 Higgins PT Boat PT658 Engine room! The U.S. Navy subsequently awarded a contract to Elco on December 7 for 11 motor torpedo boats and 12 motor boat submarine chasers. Attu Island, the westernmost in the chain, is only 650 miles from the northern part of the Japanese-owned Kurile Islands where Japanese forces were based. They were powered by by two V2500-2 1200 horse power Vimalert engines, produced by the Stirling Engine Company. One of 3 engines on board. PT Boats, Inc., a nonprofit organization of World War II PT boat veterans, bought the boat in 1979 and began restoration work. Shortly after the United States entered World War II as many as a dozen manufacturers at home and abroad competed to furnish PT boats for the U.S. Navy. Both propellers turned the same way, clockwise (right-handed), looking from aft. A brief overview of USN PT's 1-103. Ask for this F20 Portable Tiller ES PT by stock number or make and model. 10 $29.00 $29.00. Production of the Scott-Paine boat, which was designated PT-9, began in New York on September 5, 1939. Sep 29, 2012 - PT Boat Packard V12. PT-617 is a PT-103-class Elco motor torpedo boat of the same type as the famous PT-109 commanded by future President, John F. Kennedy. The only squadron to be commissioned after the war was Squadron 42. Unable to thwart the Japanese battleships, the PT boats retired and the next day U.S. destroyers moved in to engage them. While Packard was also … Two boat builders eventually dominated the field: Elco of Bayonne, New Jersey, and Higgins of New Orleans. As for the tenders themselves, they would be fueled by tankers. It had quickly become evident that the project was going to be more complicated and expensive than planned and Packard lost $300,000.00 (1939 dollars) on the 3M-2500 project. As mentioned earlier, 85’ ASRs also had two Chrysler 6 cylinder “cruising engines” in the original design, others say they were Kermath marine conversions of 110 hp Ford V-8s, although very few were actually built, which may have taken the space of the third Packard engine installed on the PT boats. The engines were fresh water cooled via fairly small tube type heat exchangers, as were the V-drives. Night after night the sailors in these PT boat squadrons risked their lives in an effort to disrupt and destroy the Japanese convoys. 45. The two engines face aft, through Joe’s Gear transmissions, each drive shaft connecting into a Watson and Flagg V-drive which then drove the prop shafts back  under each engine. It turned out that the PT boats were ill equipped for service in the extreme environment of the Alaskan waters, though. 2015 October 15, page added. 2010 March 1 update: Added camber information, and fuel tank capacity corrected. But there’s NEVER been anything like THIS before. Check out this New Gray Yamaha F25 Portable Mechanical ES/MS PT available from Heinen Motorsports in Osseo, Minnesota. All U.S. PT boats were powered by three 12-cylinder gasoline-fueled engines. These next-generation patrol boats, which improve on the design of the World War II-era PT boat and continue that tradition, are an important way to protect coastal waters. E-boat was the Western Allies' designation for the fast attack craft (German: Schnellboot, or S-Boot, meaning "fast boat") of the Kriegsmarine during World War II; E-boat could refer to a patrol craft from an armed motorboat to a large Torpedoboot.. Late in the day on October 24, 1944, all of the available 39 patrol torpedo (PT) boats of the U.S. This may have been in part caused by how they were drained for storage between the wars. In 1864 Confederate Captain Hunter Davidson developed a forerunner of the PT boat when he fixed an explosive charge to the end of a long pole that jutted out from the bow of a small rowing boat. Most of the photos are available in small, regular, and high resolution. It revolutionized small boat tactics. While PT-boats had an option to muffle their engines by routing the exhaust underwater, no such option was on either the 63' or 85' rescue boats, so with straight pipes, stealth operations were never an option. A PT boat (short for Patrol Torpedo boat) was a torpedo-armed fast attack craft used by the United States Navy in World War II. But steam engines eventually gave way to small internal combustion engines that offered faster speed and were less expensive to produce. Three marine versions, used most prominently in American World War II PT-boats, the 3M-2500, 4M-2500, and 5M-2500, were also derived from it. In twin-screw installations the ideal arrangement is to have the tops of the propeller blades turning outward for better maneuvering qualities but this was not available with the Packard engines in the 85s which made docking a bit more challenging as it was almost impossible to get the stern to move to starboard. The final engine was a super-charged, water-cooled, gasoline-powered V-12 engine that weighed 2,900 pounds. It should be noted that the method of determining the octane rating has changed since that time and the same gasoline , if tested today, would get a lower octane rating, probably by 5 to 10 points. Additionally, an outboard engine affects both safety and performance. One of 3 engines on board. To see excellant cut-away photos of the Packard engine click here and scroll about one third down the page. The early engines required 91 octane gas, but the early W7-W8 models were up to 100 octane and toward the end of production, serveral Korean War veterans state that the model W14 required 115/135 octane (green avgas), although the Operators Manual, located in the Manuals & Publications section does not specify anything higher than 100 octane. After the challenges were overcome, they had redesigned the engine patterns, upgraded the quality control and metallurgy standards and made many major changes that involved extensive redesign. In fact, all US PT boats of the war were propelled by the same 3 x Packard 2500-series 12-cylinder gasoline engines which were progressively uprated from the original 3M-2500 to the 4M-2500 and, finally, the 5M-2500. Under the Operators Manuals button you will find a PT Boat Engineers Handbook; essentially a Packard Manual without pictures. 2018 April 26, toe rails for the 1/72nd scale 2018 Revell PT 109 kit added. at 2400rpm, some source state 1,800 hp.but that was the emergency rating at 2800rpm according to Packard documents. Packard built 14,000 marine engines during the war on East Grand Avenue, Detroit and the US navy's 768 PT boats were fitted with three of them, two astern and one amidships for ease of servicing. The engines held origins dating back to the US Army's "Liberty" bomber aircraft but were of course modified for marine service. Both the engines and boat are in great condition and work without a hitch. The Packard engine series was progressively uprated with the arrival of the super-charged, water-cooled 4M-2500 (1,200 to 1,500 horsepower) and the final production 5M-2500 of 1,850 horsepower (3 x 1,850 = 5,550 combined horsepower). Contrary to some sources, the Packard V12 4M-2500 marine engine did not start its life as a copy of the British Rolls Royce Merlin engine. But steam engines eventually gave way to small internal combustion engines that offered faster speed and were less expensive to produce. The U.S. Navy’s ship commanders in the Philippines depended on the PT boats at Leyte for an advance warning of the approach of the Japanese fleet. The islands stretch nearly 1,000 miles from the mainland into the North Pacific. The U.S. Navy had little interest during that conflict in PT boats, but by 1938 it became interested in developing them. ... His research shows that Elco 80' boats were equipped with 28" diameter propellers until PT 613 (direct drive boats) which used 29" diameter propellers. PT also were used to support the D-Day invasion on June 6, 1944. PT-108 "Plywood Bastard / 8 Boat / Lil' Duck" scuttled November 11, 1945 at Samar PT-109 sunk August 2, 1943 captain John F. Kennedy two MIA , crew rescued PT-110 sunk by depth charge after collision with PT … The U.S. Navy did not have any PT boats stationed in the Aleutians, so it had to transfer them from another location. On June 3, 1942, the Japanese attacked the U.S. naval base at Dutch Harbor on the island of Unalaska. Despite their shorter length, the PT boats held their own against the Germans. Outboard engines were reversed with V drives, some later boats may have had outboard engines spaced farther apart facing the same way as the center engine. A motor torpedo boat is a fast torpedo boat, especially of the mid 20th century.The motor in the designation originally referred to their use of petrol engines, typically marinised aircraft engines or their derivatives, which distinguished them from other naval craft of the era, including other torpedo boats, that used steam turbines or reciprocating steam engines. A motor torpedo boat is a fast torpedo boat, especially of the mid 20th century.The motor in the designation originally referred to their use of petrol engines, typically marinised aircraft engines or their derivatives, which distinguished them from other naval craft of the era, including other torpedo boats, that used steam turbines or reciprocating steam engines. 2015 October 30, PT 163-196 throttle push rod deck housing for the Italeri PT 109 kit added. Additional Links & Resources. British boat designer Hubert Scott-Paine was the brains behind the motor torpedo boat. "The wake is amazing! Senior Packard management report that Jesse Vincent, Packard’s lead engineer, started on the 3M-2500 experimental engine in 1939 based on converting the Packard 2500 aircraft engine into a marine version and seven were built for the U.S. Navy. See specs, photos and pricing on Boat Engines at www.heinenmotorsports.com. 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