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T30 75mm Howitzer Motor Carriage

T30 75mm Howitzer Motor Carriage


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T30 75mm Howitzer Motor Carriage

The T30 75mm Howitzer Motor Carriage was an interim design produced in an attempt to provide the US Army with some self-propelled guns as quickly as possible. It was produced by mounting a M1A1 75mm pack howitzer on the back of a M3 Half-Track. Early production had the standard howitzer shield, later vehicles were given a more substantial armoured shield. None of the un-shielded T30s were used in combat.

The howitzer was mounted on a low table at the front of the fighting compartment, raising it above the driver's position. The half track's fuel tanks were moved into the rear corners of the compartment, with storage bins in front of them. Ammunition was stored in bins on the rear floor, and a machine gun was mounted at the centre-rear of the compartment.

The T30 was issued to armoured infantry regiments and to infantry divisions. The armoured infantry regiments got nine each, three for each battalion HQ. The infantry divisions had a cannon company armed with six T30 75mm Howitzer Motor Carriages and two T19 105mm Howitzer Motor Carriages.

Development of the T30 was authorized in October 1941 and it was accepted for production in January 1942. A total of 500 T30s were built during 1942 by the White Motor Car Company, with the first completed vehicles delivered in February 1942. The last 188 vehicles were returned to M3 standard before they were issued to the US Army. The T30 made its combat debut during Operation Torch, the Allied invasion of North Africa in November 1942. A small number of T19s and T30s were landed at Oran and Algiers to support the infantry that made up the bulk of the landing force. It was involved in the fighting in the Kasserine Pass in February 1943 and the more successful battle near El Guettar in March 1943.

The vehicle saw combat in North Africa, Sicily (where the half-tracked T30 was amongst the first artillery to land) and Italy, where it performed adequately, but it was phased out as soon as enough of the fully armoured M8 75mm Howitzer Motor Carriage became available. The infantry divisions lost their T30s after March 1943 when they were replaced with towed 105mm howitzers.


Armament consisted of a new open-topped turret armed with a 75 mm M2 howitzer, later a 75 mm M3 howitzer, which were reworks of the M1A1 pack howitzer. It carried 46 rounds of 75 mm ammunition types of ammunition carried were Smoke M89 and H.E. (high explosive) M48. Unlike the standard M5 Light tank, the M8 featured no hull-mounted or coaxial Browning M1919A4 .30-06 machine guns. A Browning M2HB .50-caliber machine gun was mounted on the right rear corner of the turret for local defense and anti-aircraft purposes. 400 rounds of .50-caliber were stowed on board for the M2HB. M4 Sherman tanks equipped with 105mm howitzers were available from late 1944 and gradually replaced the M8 Howitzer Motor Carriage.

The T17E1 HMC was ordered into production as the 75 mm Howitzer Motor Carriage M8 in April 1942. Production ran from September 1942, to January 1944. A total of 1,778 vehicles were produced.


75mm Gun Motor Carriage M3 1-13

The M3 75mm GMC was based on the M3 half-track, and essentially stuck a 75mm gun behind the driving compartment. A low, sloping gun shield was provided for the gun crew, and the armored windshield cover had a notch cut in the middle to allow room for the gun. The glass was removed from the windshield cover, and it folded down onto the hood instead of upwards as on the M3 half-track, since the GMC lacked a roof over the driving compartment. The fuel tanks were relocated to the rear, and stowage boxes were attached to the rear of the vehicle on either side of the rear door. The M3 gun mount consisted of the standard M2A3 gun carriage--less its wheels, axle, and equalizers--resting on a steel base. Modifications to the M3 half-track were also applied to the M3 GMCs.

Insufficient quantities of the M2A3 gun carriages used in the mount M3 forced the use of older M2A2 gun carriages in the 75mm GMC. The mount using the gun carriage M2A2 was designated M5, and the GMC using the gun mount M5 was standardized as M3A1. The M5 mount was mounted 3.75" (9.53cm) towards the rear of the vehicle compared to the M3 mount. Elevation and traverse with the M5 were -6.5° to +29°, and 21° right and left, respectively. The M3A1's ground pressure under the tires was 33.5psi (2.35kg/cm²), and its angles of approach and departure were 37° and 45°, respectively.


75 mm Howitzer Motor Carriage T30 2020-02-09

The T30 Howitzer Motor Carriage (HMC) was a United States Army self-propelled gun used in World War II. Its design was based on requirements for an assault gun issued by the Armoured Force in 1941 and it was built as an interim solution until a fully tracked design was complete.

Produced by the White Motor Company, the vehicle was simply a 75 mm Pack Howitzer M1 mounted on a modified M3 Half-track. It was first used in combat in the North African Campaign in November 1942. It later served in Italy and France, and possibly in the Pacific. Some were later leased to French forces and the type was used as late as the First Indochina War in the 1950s.

The file contains the unit and pcx files. Model is not my own creation. Wyrmshadow helped with the animation files. I merely put the pieces together and cleaned up the model for CivIII and added some what if pieces. A big thanks to everyone that helped out!


Re: Any T30 HMCs left?

Thought i saw one on a website about a reenactment in Poland, i had a little look and found a photo of a T30 75mm. Apparently, Poland were given some after the war, as this one has polish markings,

Click to enlarge the picture

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T30 75mm Howitzer Motor Carriage - History

T30 75mm Assault Gun Platoon
(UBX63)
includes three metal, resin and plastic T30 75mm Assault Guns, one plastic Gun Crew sprue, one Decal Sheet and one Unit card.

The T30 HMC (Howitzer Motor Carriage) is a simple but effective weapon, consisting of an M1 75mm Pack Howitzer mounted on an M3 Half-track.

The T30 75mm Assault Gun
The T30 can be found in the armored battalions' and armored rifle battalions' assault gun platoons, as well as the infantry regiments' cannon company. Assault guns are very versatile. As well as direct fire support and long-range artillery, they can also be useful for anti-tank fire, but only as a last resort.
Making its combat debut during the campaign in North Africa during 1942, the T30 75mm HMC later fought in Sicily in 1942 and on to Italy in 1944. untill it was slowly replaced by the M8 Scott HMC

Contents include:
Plastic Gun Crew Sprue (x1)
Metal and Resin Pieces
T30 75mm Unit Card (x1)
Decal Sheet (x1)


Зміст

75-мм самохідна гаубиця Т30 розроблена 1941 році фахівцями Артилерійсько-технічного корпусу армії США в ролі перехідної самохідної артилерійської системи для нагального задоволення потреб бронетанкових дивізій та розвідувальних підрозділів у самохідній артилерії. Основною артилерійською системою послужила 75-мм гаубиця M1, а базою став напівгусеничний бронетранспортер М3. У лютому 1942 року фірмою White Motor Company було розпочато серійне виробництво T30 і продовжувалось партіями у березні-квітні та в листопаді того ж року. З початком випуску САУ M7, яка повністю задовольняла вимогам армії, виробництво самохідних гаубиць Т30 припинилося.

Вперше самохідна гаубиця використовувалася у боях у Північній Африці у листопаді 1942 року. САУ застосовувалась під час боїв у Туніській кампанії, в Сицилійської операції, в Італійській кампанії й на півдні Франції щонайменше до 1944 року. У березні 1943 року САУ вивели зі штатів піхотних дивізій, у зв'язку з переходом артилерії на новітні буксовані піхотні гаубиці M3. Поступово T30 замінялися також на самохідки M8 HMC, сконструйовані на базі легких танків M5 «Стюарт».

З партії замовлених самохідних установок тільки 312 були доведені до кінця, останні 188 були трохи пізніше перетворені на напівгусеничні бронетранспортери М3.

Декілька одиниць T30 були передані французькій армії, які вона використовувала за призначенням у боях Першої індокитайської війни на початку 1950-х років.


T30 75mm Howitzer Motor Carriage - History

130,000   Cost
385 324 HP Hit Points
15/16.2 11.83/0 t Weight Limit
320 350 hp Engine Power
58/20 km/h Speed Limit
35 35 deg/s Traverse
21.33 29.59 hp/t Power/Wt Ratio
Yes Yes Pivot

Reload Times
Nominal: 3.7 s
50% Crew: 4.71 s
75% Crew: 4.14 s
100% Crew: 3.7 s
Rammer: 3.33 s
Vents: 3.62 s
Both: 3.25 s
Both and BiA: 3.19 s
Both and Max Crew %: 3.06 s

See Crew, Consumables, or Equipment for more information.

Reload Times
Nominal: 3.7 s
50% Crew: 4.71 s
75% Crew: 4.14 s
100% Crew: 3.7 s
Rammer: 3.33 s
Vents: 3.62 s
Both: 3.25 s
Both and BiA: 3.19 s
Both and Max Crew %: 3.06 s

See Crew, Consumables, or Equipment for more information.

Using Shell Type 1 (175 Damage):


Theoretical Damage Per Minute
Nominal DPM: Expression error: Unexpected < operator.
50% Crew: Expression error: Unexpected < operator.
75% Crew: Expression error: Unexpected < operator.
100% Crew: Expression error: Unexpected < operator.
100% Crew
Vents: Expression error: Unexpected < operator.
Rammer: Expression error: Unexpected < operator.
Both: Expression error: Unexpected < operator.
Both and BiA: Expression error: Unexpected < operator.
Both and Max Crew %: Expression error: Unexpected < operator.

Advantageous Damage Per Minute
First-shot DPM: Expression error: Unexpected < operator.
50% Crew: Expression error: Unexpected < operator.
75% Crew: Expression error: Unexpected < operator.
100% Crew: Expression error: Unexpected < operator.
100% Crew
Rammer: Expression error: Unexpected < operator.
Vents: Expression error: Unexpected < operator.
Both: Expression error: Unexpected < operator.
Both and BiA: Expression error: Unexpected < operator.
Both and Max Crew %: Expression error: Unexpected < operator.

See here, here, or here for more information.

Using Shell Type 2 (110 Damage):


Theoretical Damage Per Minute
Nominal DPM: Expression error: Unexpected < operator.
50% Crew: Expression error: Unexpected < operator.
75% Crew: Expression error: Unexpected < operator.
100% Crew: Expression error: Unexpected < operator.
100% Crew
Vents: Expression error: Unexpected < operator.
Rammer: Expression error: Unexpected < operator.
Both: Expression error: Unexpected < operator.
Both and BiA: Expression error: Unexpected < operator.
Both and Max Crew %: Expression error: Unexpected < operator.

Advantageous Damage Per Minute
First-shot DPM: Expression error: Unexpected < operator.
50% Crew: Expression error: Unexpected < operator.
75% Crew: Expression error: Unexpected < operator.
100% Crew: Expression error: Unexpected < operator.
100% Crew
Rammer: Expression error: Unexpected < operator.
Vents: Expression error: Unexpected < operator.
Both: Expression error: Unexpected < operator.
Both and BiA: Expression error: Unexpected < operator.
Both and Max Crew %: Expression error: Unexpected < operator.


Organizo kaj servo

US fortoj

En la Dua mondo militepoko US-armeo, kiujn kiam 75 mm bombardiloj estis eldonitaj al aeraj kaj montunuoj.

Aerdivizio, laŭ la organizo de februaro 1944, havis tri 75 mm bombardilbatalionojn - du glisaviadilajn batalartilerio-batalionojn (du ses-pafilaj baterioj ĉiu) kaj unu paraŝutan batalartileriobatalionon (tri kvar-pafilaj baterioj), en totala 36 pecoj per dividado. En decembro 1944, nova Tabloj de Organizo kaj Equipment pliigis la sekcian pafforton ĝis 60 75 mm bombardiloj (kiel opcio, en glisaviadilbatalionoj 75 mm pecoj povus esti anstataŭigitaj kun pli potenca 105mm M3).

La nura monto kiun dividado formis, al la 10-a, havis tri 75 mm bombardilbatalionojn, 12 pecojn ĉiun. La pafilo ankaŭ estis uzita fare de kelkaj apartaj batalartilerio batalionoj. [8] Tiuj inkludis mul-pakitajn batalartileriobatalionojn vidantajn servon en Birmo.

La M1A1 ankaŭ vidis uzon dum la Batalo de Anzio, 39-a Field Artillery Regiment.

[ citaĵo bezonis ] En la Usona Martrupo, sub la E-serio Tables of Organization (SUPRE) de 15 aprilo 1943 sekcia artilerio inkludis tri 75 mm bombardilbatalionojn, 12 pecojn ĉiun. La F-serio SUPRE de 5 majo 1944 reduktis la nombron da 75 mm batalionoj al du, kaj la G-serio SUPRE forigis ilin entute, kompletigante la ŝanĝon ĝis 105 mm kaj 155 mm bombardiloj. Kvankam la G-serio SUPRE estis nur adoptita la 4an de septembro 1945, en praktiko en kelkaj sekcioj la ŝanĝo frue estis lanĉita en 1945.

La M116 (M1A1 redsignateis en 1962) daŭre estas uzita fare de Usono-militistaro por ceremoniaj celoj kiam saluta pafilpafado malfunkcias.

Aliaj funkciigistoj

Du majoro prunt-lizalianclandoapogajn ricevantojn de la M1 estis Unuiĝinta Reĝlando (826 pako da bombardiloj) kaj Ĉinio (637 pako da bombardiloj kaj 125 kampobombardiloj). 68 pecoj estis liveritaj al Francio, kaj 60 al diversaj landoj en Latin-Ameriko.

En la brita servo, la bombardilo estis eldonita al du montaj artilerioregimentoj, du aeralteriĝaj lumaj artilerioregimentoj, trudenirantaj subtenregimenton kaj estis provizoraj uzitan je iuj aliaj unuoj. La pafilo restis en brita servo ĝis la malfruaj 1950-aj jaroj.

La 75 mm bombardilo ankaŭ estis uzita fare de aŭstraliaj trupoj - du montobaterioj kaj iuj aliaj unuoj.

Ununura bombardilo estis paraŝut-liverita en aprilo 1945 al la dua (itala) SAS regimento, speciala forto kunmetita fare de partizanoj kun miksita politika fideleco, rusaj eks-POW, kaj Wehrmacht dizertintoj, kunordigitaj fare de majoro Roy Farran. Baptita " Molto Stanco " ("Lacega" en la itala), la pafilo estis uzita en la kurso de Operation Tombola por ĉikani malamikkonvojojn movantajn supren kaj malsupren laŭ Route 12 inter Modeno kaj Florenco. La 21an de aprilo 1945, la bombardilo estis trenita per Willys Jeep al la periferio de Reggio nell'Emilia, de kie la italaj artileriistoj iniciatis senŝeligadon de la grandurbo kiu laboris kun panikon inter Axis soldatoj. Kredante ke la alveno de Aliancitaj fortoj estis baldaŭa, la germanoj kaj iliaj faŝismaj aliancanoj evakuis la grandurbon.

La travivaĵo de la pafiloj donitaj al la armeo de la Respubliko Ĉinio estis precipe rimarkinda. Post la perdo de la kontinento, la pafiloj postlasis estis uzitaj kaj fare de la Popola Liberiga Armeo kaj eksportitaj al la Viet Minh. Ekzistas rekordo de tiuj pafiloj estanta uzita ĉe la Siege of Dien Bien Phu (Sieĝo de Dien Bien Phu) kaj, supozeble, en pli postaj konfliktoj. La tipo de virto de sia kompakteco ankaŭ restis en uzo kun la malproksimaj insulgarnizonoj de la ROCA kiel marborda artilerio.

153 M116 estis liveritaj al Japanio ( Japan Ground Self-Defense Force (Laku Ground Self-Defense Force)) kaj ili estis uzitaj ĝis la 1980-aj jaroj. Croatian Army kampaj M116-bombardiloj kiel ceremonia kanono, 12 el kiuj daŭre estas konservitaj funkciantaj por tiu celo, kromaj 45 sistemoj estis emeritigitaj kaj jam ne utiligitaj fare de la armeo, kelkaj stokis en lokaj armeomuzeoj.

En 2010 la M116 kiun 75 mm pakas al bombardilo estis uzita fare de la turka armeo en operacioj kontraŭ kurdaj separistoj en sudorienta Turkio.

La bombardiloj estis uzitaj por lavango kontrolo ĉe pluraj okcidentaj US skiregionoj.



Comments:

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