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Description
(This is very old art, like from over a year ago. But looking back on it its very good. This was way back when I was still using gatling guns as hard kill for ATGMs and missiles. Modern refits would in theory have vector nodes.

I also just noticed theres a sketch layer for the gun turret for the artillery variant, in red, with very low opacity. Nobody probably would have noticed that if I hadn't just pointed it out. I don't have the original editable file any more so I'm stuck with that. I kindof want to redo this design anyway to bring it up to modern standards, but I wanted to upload the old one anyways.)

The atlas is the oldest variant of conversion walker employed by the GDMC. It was originally designed as an artillery platform, and its success went on to inspire a full line of conversion walkers to fill a wide variety of roles.

Cost: Δ 15,000,000

Height: 13-14m
Length: 14m
Width: 14m

Chassis Height: 6.5m
Chassis Length: 6m
Chassis Width: 6m

Mass: ~200 metric tons.

Armor: Muran and Varbon mesh

25cm (allaround turret and legs)
50cm (leg shields)
75cm (chassis)

The Atlas has more armor on the chassis than anywhere else. This means (in concert with the fact that it has fewer legs and therefore less redundancy) the walker is unlikely to do well taking damage. It is still a beast due to its sheer size and the advanced materials used in its construction, but with respect to things like the Pallas (a dedicated "sledgehammer" walker) it is much more likely to be disabled. But with a well hardened crew cabin though the walker may be destroyed it is very likely that the crew can survive even if the walker itself is disabled.

Weapons

The original Atlas variant has four underslung rotary accelerators, two on the front and two on the back. Modern variants use a slightly altered chassis with four hardlight vector nodes on each of the cardinal sides; and perfect four-way symmetry on the chassis.

The original configuration of the Atlas is a 250mm fusion cannon. This is an artillery weapon designed for long range bombardment firing a large variable yield fusion warhead via a coilgun. This allows for both direct line-of-sight firing or arcing of shells from high angles; and since the shell's velocity is determined by the charge of the coilgun it requires more power to recharge after a full power shot; but several arcing shots could be fired in quick succession. These shells have limited guidance capabilities with small resistojet thrusters to adjust the trajectory slightly, and variable yield explosives, with the maximum yield being in the low kiloton range. (A few shells could flatten a decent sized city providing buildings weren't reinforced). But of course this destructive power can be controlled if need be. Obviously you have your other variants of shells that I've already mentioned in other posts too (flechette, pulse, etc).

There is a modified DEW variant with a heavy hardlight vector emitter. This only allows for line of sight firing, and has a long charge time to reach full power, but is extremely destructive. Usually used to cut open heavy fortifications or penetrate high-tier armor.

Mobility

The Atlas has only four legs, contrast six with most modern conversion walkers. Though the legs are much longer which gives it a very good stride length for clearing large gaps or obstacles. It has climbing spikes but no grapples.

Crew

Atlas walkers could seat two, a driver and a gunner; with computer assistance for firing and leg control.

Description
(This is very old art, like from over a year ago. But looking back on it its very good. This was way back when I was still using gatling guns as hard kill for ATGMs and missiles. Modern refits would in theory have vector nodes.

I also just noticed theres a sketch layer for the gun turret for the artillery variant, in red, with very low opacity. Nobody probably would have noticed that if I hadn't just pointed it out. I don't have the original editable file any more so I'm stuck with that. I kindof want to redo this design anyway to bring it up to modern standards, but I wanted to upload the old one anyways.)

The atlas is the oldest variant of conversion walker employed by the GDMC. It was originally designed as an artillery platform, and its success went on to inspire a full line of conversion walkers to fill a wide variety of roles.

Cost: Δ 15,000,000

Height: 13-14m
Length: 14m
Width: 14m

Chassis Height: 6.5m
Chassis Length: 6m
Chassis Width: 6m

Mass: ~200 metric tons.

Armor: Muran and Varbon mesh

25cm (allaround turret and legs)
50cm (leg shields)
75cm (chassis)

The Atlas has more armor on the chassis than anywhere else. This means (in concert with the fact that it has fewer legs and therefore less redundancy) the walker is unlikely to do well taking damage. It is still a beast due to its sheer size and the advanced materials used in its construction, but with respect to things like the Pallas (a dedicated "sledgehammer" walker) it is much more likely to be disabled. But with a well hardened crew cabin though the walker may be destroyed it is very likely that the crew can survive even if the walker itself is disabled.

Weapons

The original Atlas variant has four underslung rotary accelerators, two on the front and two on the back. Modern variants use a slightly altered chassis with four hardlight vector nodes on each of the cardinal sides; and perfect four-way symmetry on the chassis.

The original configuration of the Atlas is a 250mm fusion cannon. This is an artillery weapon designed for long range bombardment firing a large variable yield fusion warhead via a coilgun. This allows for both direct line-of-sight firing or arcing of shells from high angles; and since the shell's velocity is determined by the charge of the coilgun it requires more power to recharge after a full power shot; but several arcing shots could be fired in quick succession. These shells have limited guidance capabilities with small resistojet thrusters to adjust the trajectory slightly, and variable yield explosives, with the maximum yield being in the low kiloton range. (A few shells could flatten a decent sized city providing buildings weren't reinforced). But of course this destructive power can be controlled if need be. Obviously you have your other variants of shells that I've already mentioned in other posts too (flechette, pulse, etc).

There is a modified DEW variant with a heavy hardlight vector emitter. This only allows for line of sight firing, and has a long charge time to reach full power, but is extremely destructive. Usually used to cut open heavy fortifications or penetrate high-tier armor.

Mobility

The Atlas has only four legs, contrast six with most modern conversion walkers. Though the legs are much longer which gives it a very good stride length for clearing large gaps or obstacles. It has climbing spikes but no grapples.

Crew

Atlas walkers could seat two, a driver and a gunner; with computer assistance for firing and leg control.