What was the absolute earliest that tanks could have emerged?

IOTL tanks seemed to develop mostly out of a need to break through the trenches of WWI, however from a tech stand-point how much earlier could they have actually emerged?
 
As soon as a viable engine, and a form of gun are developed. Gunpowder was known in China from the 5th century or so AD, and the Egyptians or something created a machine for rotation (the aelopile) in Roman times.

So 6th century maybe?

- BNC
 

Oceano

Banned
Fuck horses or engines, just have a bunch of guys inside a big steel shell with wheels dragging it fowards and backwards, and small holes for guns and a small cannon on top, like a steel siege ram.

In a pinch, the guys inside the Steel Ram(!) can get some knives and swords and shank the bad guys
 
The 1880s at the absolute earliest. Before that there are no engines (steam or combustion) that can pull their own weight, even less a lot of armour, tracks, weapons, ammunition and crew.
 
Fuck horses or engines, just have a bunch of guys inside a big steel shell with wheels dragging it fowards and backwards, and small holes for guns and a small cannon on top, like a steel siege ram.

In a pinch, the guys inside the Steel Ram(!) can get some knives and swords and shank the bad guys

The Assyrians used that in the 3000s BC. Not steel, but wood counts doesn't it?

- BNC
 
I'm surprised nobody's mentioned the Hussite war wagons, dated from around 1420 onwards which is probably about as close as you can get before the invention of a practical engine. On which note - armoured trains probably about 1850 or so, armoured cars by the 1890's and true tanks perhaps a decade before OTL.
 
The Hussite war wagons weren't tanks, just wagons used as mobile palisades to prevent cavalry from charging. Otherwise chariots would count as tanks too.
 

Redbeard

Banned
Ummm... trains existed in 1825, and they could certainly pull their weight.



- BNC
A train runs on iron rails, which drastically reduce friction. I doubt it would be possible to construct a steam engine strong enough to overcome the friction of tracks and terrain and still small enough to be housed in a tank hull small enough to be armoured effectively. It would anyway be hell to be inside a tank hull alongside a steam engine.

A combustion engine effective enough would I guess be plausible in the first years of 20th Century, but not much before.
 
IOTL tanks seemed to develop mostly out of a need to break through the trenches of WWI, however from a tech stand-point how much earlier could they have actually emerged?

People needed to feel the need before thinking of inventing the tank. It is because the military realized, during WW1, the devastating effect of modern machine-guns and artillery over infantry that they were able to conceive modern tank.
 
Fuck horses or engines, just have a bunch of guys inside a big steel shell with wheels dragging it fowards and backwards, and small holes for guns and a small cannon on top, like a steel siege ram.

In a pinch, the guys inside the Steel Ram(!) can get some knives and swords and shank the bad guys
James Cowan came up with a concept in 1855 comprised of a cannon and scythes mounted on the side. It didn't go much further than a sketch due to it being seen as barbaric.
 

jahenders

Banned
A train runs on iron rails, which drastically reduce friction. I doubt it would be possible to construct a steam engine strong enough to overcome the friction of tracks and terrain and still small enough to be housed in a tank hull small enough to be armoured effectively. It would anyway be hell to be inside a tank hull alongside a steam engine.

A combustion engine effective enough would I guess be plausible in the first years of 20th Century, but not much before.

I would tend to agree, but:
- You could potentially build a steam "tank" during the civil war. It would have to be pretty big , the armor probably wouldn't be too heavy (but big enough to be fairly safe from rifle fire, shrapnel, and small artillery), and it would be limited to fairly smooth terrain. It wouldn't really be practical, but it might be used on a road (as an armored train) of sorts, for storming across a bridge, or as a semi-mobile defensive point. As far as being miserable, the steam ironclads weren't too much different (steam engine in an enclosed space).
-- POD might be after the bloody Battle of Fredericksburg, the Union decides on a crash course to try to build one. It might make its debut in late 63 or early 64. After a few dubious attempts, it might not be further developed, but the examples might be used as road defenses
- A variant of Da Vinci's design could be built, made somewhat lighter and shorter. It, too, would be limited to smooth terrain, but could certainly be devastating at clearing a street/road.
- That horse drawn ideas are probably impractical since the thing would be 'dead' once the vulnerable horses are shot. The war wagon idea is close, but it's not really practical for offense.
 
I would tend to agree, but:
- You could potentially build a steam "tank" during the civil war. It would have to be pretty big , the armor probably wouldn't be too heavy (but big enough to be fairly safe from rifle fire, shrapnel, and small artillery), and it would be limited to fairly smooth terrain. It wouldn't really be practical, but it might be used on a road (as an armored train) of sorts, for storming across a bridge, or as a semi-mobile defensive point. As far as being miserable, the steam ironclads weren't too much different (steam engine in an enclosed space).
-- POD might be after the bloody Battle of Fredericksburg, the Union decides on a crash course to try to build one. It might make its debut in late 63 or early 64. After a few dubious attempts, it might not be further developed, but the examples might be used as road defenses
- A variant of Da Vinci's design could be built, made somewhat lighter and shorter. It, too, would be limited to smooth terrain, but could certainly be devastating at clearing a street/road.
- That horse drawn ideas are probably impractical since the thing would be 'dead' once the vulnerable horses are shot. The war wagon idea is close, but it's not really practical for offense.

No, you cannot. Until the 1880s, steam engines are too large and heavy to pull their own weight outside railroad tracks and the ocean. There's a reason steam tractors did not become a thing until the 1890s.
 

Glyndwr01

Banned
Found this in forums.

British+armored+train.+Second+Anglo-Boer+War.+1900.jpg


Fowler Armoured Road Train British Army Second Anglo-Boer War. 1900

http://www.landships.freeservers.com/fowler_b5_armtract.htm
 
People needed to feel the need before thinking of inventing the tank. It is because the military realized, during WW1, the devastating effect of modern machine-guns and artillery over infantry that they were able to conceive modern tank.
no, pre-ww1 there were several attempts already at designing a tank, the austro-hungarian burnstyn comes to mind
 
Until steam engines 'came of age' as 'prime movers', you're talking several millennia of human / ox-powered 'siege towers'. Perhaps the 'Trojan Horse' was such a beast ?? Counter-measures to those go back as far; pit-falls, buried amphorae etc etc...

Uh, honourable mention for ancient warships with their fighting tops, fore-castles etc.

IIRC, given the power/weight requirements, you could have *just* got 'Landships' into American Civil War. Didn't happen in OTL but, given a decade's 'Cold War' to delay that nasty business...

FWIW, the 'Fowler RoadTrain' piccy's site is currently disabled 'due billing issues'...
 
This all depends on a definition what a tank is defined as. mobile protection and you are back to pre history. If you mean mechanicly powered ,bullet proof and machine guns 1860. Tank as appeared in WW1 , 1910. Tank with decent speed, range and not breaking down when you looked at it funny, 1920.
 
Until steam engines 'came of age' as 'prime movers', you're talking several millennia of human / ox-powered 'siege towers'. Perhaps the 'Trojan Horse' was such a beast ??
I do think that the Trojan Horse was a distorted memory of a late Bronze Age siege tower of some sort.
 
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