m247 sergeant york unveiling

6 meters and a height of 3. Eventually, the program was cancelled after more testing, where it was proven the system could not even shoot down stationary drones. All the BS the press puts out there is nonsense. They developed a requirement for a weapon system able to operate using FLIR and a laser rangefinder in order to counter these threats. Backstory - Ground defense from low flying aircraft traces back to World War I with significant advancements seen during World War II into the Cold War. As to the final specific capabilities it was supposed to have, it had to be able to keep up with the M1 and M2's cruising speed and be able to lock onto any target within 8 seconds, all with a minimum 50% chance to hit a target from 3 KM (1.9 miles) away with a single 30 second volley. Each tree also holds a track assembly jig. Image copyright www.MilitaryFactory.com; No Reproduction Permitted. Two designs were submitted, one from General Dynamics using twin 35mm Oerlikon cannon (as with the West German Leopard) and the other from Ford Aerospace and Communications Corporation which utilised twin 40mm L/70 Bofors Guns. Just posting False News from the 80s The guy who wrote this artical And when tracking high flying targets, the radar return from the gun barrel tips confused the fire control system. All trademarks, logos and brand names are the property of their respective owners. M247 Sergeant York . Despite all these problems to units being delivered, the Army continued to pump money into the project, mostly because there wasnt a backup option and there was a very pressing need for such a weapon. to create your AMPS membership, please When the guns were pointed upward to fire on high-angle targets, the barrels projected into the radar's line of sight and further confused the system. In March 1984 the Army took delivery, six months late, of the first production model for testing. Known as DIVAD (DIVisional Air Defense), the competition for this new vehicle began on 18 May 1977 and was intended to use off the shelf technology to cut down development time and cost. Armed personnel carrier and recon vehicle. [22] The tests were carried out late in 1984. Design work spanned from 1977 to 1985 under the direction of now-defunct Ford Aerospace. 4 meters. Highly Recommended for Beginner to Advanced builders, pending full build. Known as DIVAD (DIVisional Air Defense), the competition for this new vehicle began on 18 May 1977 and was . Von dem U.S. Flakpanzer M247 Sgt. VADS was intended to operate in concert with the MIM-72 Chaparral missile system, which combined the AIM-9 Sidewinder missile with a more heavily modified version of the M113 chassis. The M247 Sergeant York DIVAD (Division Air Defence) was a self-propelled anti-aircraft weapon based on the chasis of the M48 Patton tank, the main armament was a twin Bofors 40 mm gun. I look forward to this build, especially the track assembly jig. Sprue Tree J This set of 2 trees contain suspension road wheels and drive sprockets and related details. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The idea gained little traction and died.[6]. These guns have improved rate of fire. After a while, the engineers thought they'd managed to fix the issue and the demo resumed, only to see the M247 shoot into the ground rather than the drone target it was "locked on" to. Each sprue tree holds 8 groups of link segments, and another 8 groups of guide horns. By comparison, the XM247 only downed nine targets. Suspension wheels and tracks are 20 mm thick. Each group of 7 links is sandwiched between upper and lower track pads (sprue tree D) to create a 6 shoe pad length of track. The Chaparral's AIM-9D missiles were capable of tail-chase launches only, but offered ranges up to five miles (8.0km). Coordinates: 36.54212 -84.95946 Perhaps the most surprising problem was that the 30-year-old M48 chassis with the new 20-ton turret meant the vehicle had trouble keeping pace with the newer M1 and M2, the vehicles it was meant to protect. I worked with all of the people on this program; they were from Frankford Arsenal and Rock Island Arsenal. The simple electronic counter-countermeasures (ECCM) suite could be defeated by only minor jamming. 400 to 480 km on road. Every thing I read in all these articles is as we call it today. Ford hasnt built successful aero equipment since the Tin Goose Trimotor. The Army uses excerpts of this film to teach the dangers of ever changing requirements adversely affecting systems development. The 35 mm round allowed a larger ammunition capacity and also a higher rate of fire than the 40mm Bofors L/70 selected by the Ford Aerospace XM247. "[16] In the DT/OT II test series they shot down two F-86 Sabre fighters, five UH-1 Huey helicopters and twenty-one smaller drones. After extensive testing of two prototypes made by each company, in which General Dynamics reportedly shot down 19 drones vs. Fords 9, Ford was awarded the contract. The contract was put out in direct response to a battle tactic known as "pop-up" which essentially involved helicopters harassing tanks from a distance by hiding behind cover and then popping up briefly to let loose a volley of anti-tank missiles (which themselves were a newly developed technology) before hiding once again. Sprue Tree K This tree contains numerous suspension detail parts. The niche was eventually filled by the M6 Linebacker, an adaptation of the M2 with Stinger missiles. The tests did not go well. Other problems with the M247s targeting system included its seeming inability to tell the difference between helicopters and trees and its penchant for locking onto random other ground based objects as threats. Your annual membershipincludes six copies of AMPS's magazine, Boresight, and helps to support our ongoing reviews. In a nutshell, the Army wanted a drivable anti-aircraft system that was to serve alongside their newly developed M1 Abrams and M2 Bradley tanks in battle. The vehicle measured 7.7 meters long with a width reaching 3.6 meters and a height of 3.4 meters. The radar system gave it the most trouble by far, but its inability to keep up with the M1 Abrams and M2 Bradley IFV was probably the final nail in the coffin. $62 Reviewed By: Brian Eberle Full Build of the TAKOM M247 Sergeant York To read the first look review of the TAKOM M247 Sergeant York kit, look here: https://www.amps-armor.org/SiteReviews/ShowReview.aspx?id=15061 For my build, I followed the instructions step by step without deviation or kit improvement beyond filling in the occasional gaps. The vehicle was named for one Alvin York, a famous and highly decorated WWI hero who captured over 100 German soldiers pretty much single-handedly. "[15] Noting that canceling the project did not imply a lack of need, he started the process of studying a missile-based system to fill the same niche. Despite the use of many off the . Sprue Tree Q This tree contains turret radar parts. Specifically, in 1984, Secretary of Defense Caspar Weinberger decided to oversee a set of amazingly expensive tests costing $54 million ($144 million today) to better determine what this weapon could and couldn't do. (As to that cost, while it's widely reported today that the project cost close to $7 billion (about $18 billion today), in fact, that number includes about three decades of anti-aircraft weapon development leading up to and including the actual figure of about $1.8 billion (about $4.8 billion today) spent on the development of the M247s.). Another major problem, as previously mentioned, was that the M247s top speed wasnt sufficient to keep up with the M1 and M2s cruising speed, meaning it literally couldnt drive fast enough to travel with the things it was specifically designed to protect. The M247 Sergeant York was officially designated as a self-propelled anti-aircraft gun but was for all intents and purposes a tank chassis with anti-aircraft guns attached to the top. The M247 Sergeant York was officially designated as a "self-propelled anti-aircraft gun" but was for all intents and purposes a tank chassis with anti-aircraft guns attached to the top. Alvin C. York State Historic Park in Pall Mall, TN where its namesake hailed from, one is in the Wahner E. Brooks Historical Exhibit at the U.S. Army Yuma Proving Grounds, AZ, another is located at the AAF Museum in Danville, VA, one at the Fort Snelling Military Museum in Minneapolis, MN (now closed), and one located at the Arkansas National Guard Museum at Camp Robinson, North Little Rock, Arkansas. This ultimately led one soldier to speculate that the only way the M247 would manage to take out an enemy would be by "driving over the top of it.". After the failure of several well publicized tests where the radar locked on to a series anomalous targets including the packed demonstration bleachers in one instance, the York's days were numbered. Further, the system had to more or less use off the shelf parts, rather than anything being developed from scratch. The Decal sheet contains a mixture of administrative and tactical unit recognition markings. It also had to be able to continually track up to 48 moving aerial targets, automatically identifying enemy aircraft, and intelligently prioritizing which should be shot down first. On 13 January 1978, General Dynamics and Ford were given development contracts for one prototype each, the XM246 and XM247 respectively, to be delivered to Fort Bliss in June 1980. It also had to be able to continually track up to 48 moving aerial targets, automatically identifying enemy aircraft, and intelligently prioritizing which should be shot down first. Over a period of three decades four successive generations of upgraded forward area air defense systems -- from Mauler to Roland to Sgt. (In fact, it worked very well in the open air.) The M247 Sergeant York was officially designated as a "self-propelled anti-aircraft gun" but was for all intents and purposes a tank chassis with anti-aircraft guns attached to the top. First off: radra is redundant on an optical weapons system..the max range on the 1.6 inch 40 mm 2 pound shedd is about 18,000 yards, or , half your line of sight to the horizon, If you can SEE it you can HIT it. To add insult to injury, the Soviets had no problem countering the pop-up attack method thanks to their ZSU-23-4 Shilka, which is essentially what the United States wanted to copy. Here now is the story of the forgotten M247. With the Soviet Mi-24 Hind attack helicopter being fitted with the longer range AT-6 SPIRAL Anti-tank missiles and twin barrelled 23mm cannon, and the Mi-28 Havoc nearing deployment, the M163 and M48 systems would be out-classed in a future conflict. I worked on Divad system start to finish. https://youtu.be/keFzBeJkFCI. An Ineffective System: The M247 Sergeant York Published on 3rd June 2013 This article has also been published in the Society of Twentieth Century Wargamers Journal. The radars were mounted on booms to give them a clear view of the sky, and both had the ability to be folded down to reduce the vehicle's height during travel. I worked on that program in the mid 80s prior to retiring from the Army. Ford Aerospace adapted the APG-66 radar used in the F-16 fighter. The system was accurate and deadly. Not a problem, of course, given it's always balmy in the regions that were once the former Soviet Union (In truth, even if it was balmy, it turns out the tracking system also struggled in high ambient temperatures and had trouble dealing with vibrations, such as generated continually when the M247 moved over the ground.). In any event, around the same time of the debacle that was the 1984 tests, the Soviet Union were deploying longer-range anti-tank missiles that were capable of being fired outside of the then current range the M247 could effectively counter the attacks, even if the system did aim properly. Mainly because the radar was one designed for the F-16 fighter jet. 2 forward, 1 reverse. From the initial proposals, two vehicles were chosen for further development: the General Dynamics XM246 and the Ford Aerospace XM247. The Gun, Air Defence Artillery, Self-Propelled, 40-mm, M247 is a rank VI American self-propelled anti-aircraft gun with a battle rating of 9.0 (AB/RB/SB). However, it should also be noted that the Army may have had good reason to favour the 40MM given its larger size and a newly developed 40mm round that had a proximity sensing fuse built in. The M247 Sergeant York DIVAD (Division Air Defense) was a self-propelled anti-aircraft gun (SPAAG), developed by Ford Aerospace in the late 1970s. M M247 Sergeant York Media in category "M247 Sergeant York" The following 11 files are in this category, out of 11 total. Additionally, the reaction time was far too slow; against hovering helicopters it was 10 to 11 seconds, but against high-speed targets it was from 11 to 19, far too long to take a shot.[6][18]. In addition, the Soviet's ZSU-23/4 SHILKA Quad 23mm A/A gun combined a radar with a proven gun fitted to an existing chassis resulting in a highly successful and lethal design. Range. Show more Show more Shop the. Plane and simple. These problems proved insurmountable, and in December 1986 after about 50 vehicles had been produced the entire program was terminated. At the time they were also in the process of introducing the new M1 Abrams and M2 Bradley vehicles, which had dramatically improved cross-country performance. If your email address is different that the one you originally used radar was one designed for the F-16 fighter jet. York to ADATS -- were all canceled, at a total cost of more than $6.7 billion. John Adam, "The Sergeant York Gun: A Massive Misfire", Rudolph Penner, "Army Air Defense for Forward Areas: Strategies and Costs", U.S. Government Printing Office, 1986, List of land vehicles of the U.S. Armed Forces, "40-mm DIVISION AIR DEFENSE GUN: DIVAD (Sgt. [16] Initial production tests run from December 1984 to May 1985 turned up a continued variety of problems, failing 22 of 163 contract requirements, and 22 serious failures in operational readiness. The new self-propelled anti-aircraft gun system was to be based on the M48A5 tank chassis, using as much off-the-shelf equipment as possible. Each tree holds 112 lower and upper half shoe pads. Although the gun was extremely powerful, at some point in the late 1950s the Army decided that all gun-based systems were out of date. After the 29-month Phase One trial, Ford's entry was selected as the winner of the DIVADs contest on 7 May 1981, and given a fixed-price $6.97 billion development and initial production contract for deliveries at various rates. Alvin C. York State Historic Park. The M247 Sgt York is a very deadly SPAA, The M247 is deadly to some lightly armoured vehicles but even deadlier to Aircraft. The radar was a modified version of the Westinghouse APG-66 system used in the F-16 Fighting Falcon. NATO had standardized on the Oerlikon 35 mm as its standard anti-aircraft round and the XM246 mounted two Oerlikon cannons side by side in its massive turret. The tests did not go well. The radar was a modified AN/APG-68 with an AN/APG-66 transmitter. Raytheon proposed using the turret from the Dutch version of the German Flakpanzer Gepard. The M247 Sergeant York was officially designated as a self-propelled anti-aircraft gun but was for all intents and purposes a tank chassis with anti-aircraft guns attached to the top. Sprue Tree B This tree contains an assortment of parts including the transmission cover plates, fuel cans and surface details. The final parts are the lower and upper hulls - The upper and lower hulls halves have excellent detail with well depicted casting textures along the hull. The M247 Sergeant York was referenced in the movie "Pentagon Wars", where it, along with other Army projects, such as the Paveway Laser Guided Bomb, is berated for its lack of success in testing, despite the long and expensive efforts put forth. All Rights Reserved. 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If your email address is different that the one you originally used While the 35mm round was already a widely accepted NATO standard and was technically well respected, Ford had a marketing agreement with Bofors. The guns were 60mm not 40. Soviet tanks are quite a bit harder to penetrate and may not be penetrated except when nearly perpendicular to your guns. The whole radar lock idea was a waste and a way for the contractor to bilk money, add weight and make themselves feel good loose it. Before this kit was released only two other M247 kits existed, and both are based on molds created more than 20 - 30 years ago.

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