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381:- which was not tracked but an armored three-wheeled vehicle, hence the designation "(Tracked)" or "(Track-laying)". The design combined serious cooling problems with a dangerous vulnerability due to its two steam boilers and large fuel reservoirs needed to heat the two main engines, and feed both the auxiliary engine and the flame thrower.
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to attack pillboxes and the original design had this weapon driven by steam. When the main device to build up sufficient pressure became a 35 hp (26 kW) auxiliary gasoline engine, the two main 2-cylinder steam engines with a combined power of 500 hp (370 kW) remained, each engine
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at each side. The length of the vehicle was 34 feet 9 inches (10.6 m), the width 12 feet 6 inches (3.8 m) and the height 10 feet 4.5 inches (3.16 m). The tracks were 24 inches (61 cm) wide. Each track frame carried mud clearing spikes, sometimes
341:. The engines and boilers of two Unit Railway Cars were built in. Earlier fighting vehicles projects had employed steam power because petrol engines were not yet powerful enough; the Steam tank however used it for the main reason that it was meant to be a specialized
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Only one was completed in Boston and demonstrated in April 1918, in several parades also, on one occasion breaking down in front of the public. The prototype was in June shipped to France to be tested — with much publicity to bolster allied morale — and was named
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366:(45 t). There was to have been a crew of eight, on the assumption there were a commander, a driver, an operator of the flame thrower, a mechanic and four machine gunners.
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driving one track to give a maximum speed of 4 mph (6 km/h). The transmission allowed two speeds forward and two in reverse. The steam engines used
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and financed by the Boston bankers Phelan and
Ratchesky, costing $ 60,000 (US$ 1,215,400 in 2024). Expertise was called in from
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The type was designed by an officer from the U.S. Army's Corps Of
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429:. Ellisville, Mississippi: Edgar G. Harris. 2020. pp. 1–8.
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mistaken for battering rams. The tank had a weight of about 50
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There was a contemporary steam-powered armored vehicle - the
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46:. Unsourced material may be challenged and removed.
892:Abandoned military projects of the United States
902:Trial and research tanks of the United States
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423:"First American-Built Tank is biggest Yet"
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137:The US Army Corps of Engineers Steam tank
106:Learn how and when to remove this message
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728:List of combat vehicles of World War I
125:US Army Corps of Engineers Steam tank
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244:four .30 cal. (7.62 mm) machine guns
44:adding citations to reliable sources
179:10.6 m (34 ft 9 in)
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327:Endicott and Johnson Shoe Company
195:3.2 m (10 ft 6 in)
187:3.8 m (12 ft 6 in)
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31:needs additional citations for
690:Sturmpanzerwagen Oberschlesien
331:Stanley Motor Carriage Company
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846:Davidson-Cadillac armored car
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887:Tanks of the United States
296:6 km/h (3.7 mph)
823:Steam Tank (Track Laying)
785:armored fighting vehicles
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218:13 mm (0.51 in)
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143:Place of origin
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335:Watertown, Massachusetts
258:500 hp (373 kW) combined
323:General John A. Johnson
813:Holt gas–electric tank
650:Holt gas–electric tank
808:M1918 Ford 3-ton tank
536:Medium Mark A Whippet
508:M1918 Ford 3-ton tank
427:The Jones County News
404:The Jones County News
325:with the help of the
743:Tanks in World War I
304:Steam tank (tracked)
40:improve this article
907:History of the tank
897:Steam road vehicles
851:Jeffery armored car
739:Tank classification
735:History of the tank
306:was an early U.S.
882:World War I tanks
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163:Specifications
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51:Find sources:
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29:This article
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838:Armored cars
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733:Background:
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446:. Retrieved
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408:, p. 1.
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385:Bibliography
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355:flamethrower
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312:Mark IV tank
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266:9.8 hp/tonne
263:Power/weight
231:flamethrower
102:
96:January 2021
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62:
55:"Steam tank"
50:
38:Please help
33:verification
30:
803:CLB 75 Tank
789:World War I
635:CLB 75 Tank
280:Operational
876:Categories
680:Steam tank
624:Prototypes
518:Renault FT
416:References
364:short tons
350:for fuel.
343:flame tank
339:steam cars
271:Suspension
66:newspapers
783:American
700:Vezdekhod
695:Tsar Tank
645:Fiat 2000
604:Mark VIII
435:2578-899X
238:Secondary
670:Mark VII
599:Mark V**
579:Mark III
443:15090035
348:kerosene
274:unsprung
240:armament
226:armament
594:Mark V*
584:Mark IV
574:Mark II
490:of the
448:May 16,
372:America
359:sponson
80:scholar
640:FCM 1A
589:Mark V
569:Mark I
528:Medium
441:
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249:Engine
192:Height
176:Length
171:50.8 t
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118:Weapon
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796:Tanks
665:LK II
556:Heavy
500:Light
488:Tanks
390:Notes
316:steam
282:range
254:steam
214:Armor
184:Width
87:JSTOR
73:books
660:LK I
450:2020
439:OCLC
431:ISSN
353:The
308:tank
302:The
224:Main
200:Crew
168:Mass
59:news
787:of
564:A7V
333:in
42:by
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