Ad Hoc AFVs

[Raellus]

I think one would see a lot of turretless tank chassis being repurposed as APCs in the T2kU.

First off, the original tracked APCs of WW2, like the Canadian "Kangaroo" Sherman [field] conversion, were based on turretless tanks. So the historical precedent is there.

Second, they currently exist in the real world and, from most reports, are quite effective- in some cases, more so even than purpose-built APCs!

https://www.tanks-encyclopedia.com/coldwar/Israel/Achzarit_APC.php

Europe would be lousy with T-55 (and other "T" models) hulls during the Twilight War. Why not put them to use, other than as spare parts

Third, the process of converting MBTs to APCs would be manageable pretty much throughout the Twilight War. As mentioned, the Sherman "Kangaroo" was a field conversion, so factories need not even enter the equation.

Turrets are problematic. As global supply chains break down in the wake of the TDM, more complex components, like optics, stabilizers, traverse systems, etc. would become unavailable (both because production of new components would cease, and repair of damaged or worn components would become impossible). So, if a turret get's damaged, it could be discarded, and the chassis converted to an ersatz APC. Slap on a few pintle mounts and a bit of a gunwale and boom, there you go!

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[Spartan-117]

Late in the Twilight war, I think main gun ammo will be so rare that anywhere a welder can mount a pintle mount, they will mount a pintle mount. I mean, realistically, on a NATO MBT, you might see one primary mount with a NATO .50 or 7.62 NATO weapon system and an adhoc 'field welded expedient mount ' over a loader hatch and on APCs, air guard positions. In many cases, late in the war, those will have PACT GPMG mount.

https://i.imgflip.com/5zng9l.jpg

[micromachine]

I can see this happening in our world now without the consideration of fuel, lubrication and maintenance.
In a T2K world, it would be wasteful to do so, as all of the above would be in short supply or non-existent. Time is better spent on something that will get you more food, ammo, fuel or manpower.
I think the few tanks that do exist, will be used as tanks until they are burned out or have the fatal mobility failure. in either case, they would be stripped of any surviving components, to be cached away for another day.
I can see the chassis being used as impromptu assault guns, with cobbled together armor and any available heavy weapon mounted haphazardly on the chassis (think pz I converted to the siG33),with even sandbags and concrete as the casemate.
Cool idea, but not viable for a unit living hand to mouth or even hand in mouth!

[pmulcahy11b]

Maybe that's why I drive a 16-year-old minivan. It has really, really low miles (less than 44,000), it's mechanically sound (except the the air conditioner), and I can put all my dogs in it at once.

I'm probably going to trade it in soon though. Not this year, because of the supply chain and silicon chip problems. Possibly next year or the year afterwards. It'll be a good car for a starving college student who needs cheap, reliable transportation. (Except for the aforementioned air conditioner; this will be the fourth time I've had to get it fixed.)

[Raellus]

Addition by Subtraction

I can see the chassis being used as impromptu assault guns, with cobbled together armor and any available heavy weapon mounted haphazardly on the chassis (think pz I converted to the siG33),with even sandbags and concrete as the casemate.

Wouldn't converting a turretless MBT chassis into an assault gun require a lot more resources than turning it into an APC would In the case of the former, you've got to add a bunch of stuff (gun, sights, stabilization system, and secure ammo storage, to name the biggies). For the latter, you really don't have to add much at all.

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[pmulcahy11b]

I saw a picture of a jury-rigged BMP-2 turret to a Land Rover. I don't know how much of any of it worked. But that picture made me think, "If you try hard enough, you can do anything with anything..."

[ChalkLine]

I saw a picture of a jury-rigged BMP-2 turret to a Land Rover. I don't know how much of any of it worked. But that picture made me think, "If you try hard enough, you can do anything with anything..."

I've got a half-full list of light turrets, their weights and dimensions for making frankenvehicles

[unipus]

I saw a picture of a jury-rigged BMP-2 turret to a Land Rover. I don't know how much of any of it worked. But that picture made me think, "If you try hard enough, you can do anything with anything..."

There are a LOT of BMP 1 and 2 turrets stuck to pretty much everything in the Middle East right now. I've seen them on other APCs, humvees, trailer beds, tractors, and more.

The logic is that the weapons are useful but the vehicles are mechanically expensive/difficult to keep operating outside of units with the logistic train to do so. This is a logic that pays well when it comes to T2K. I'm tucking away a horse-drawn Sagger platform for a rainy day encounter.

[Ursus Maior]

I've been saying this for a while now: Once modern first-tier mechanized forces go away, combat becomes less mobile. Then older weapon systems or those not mounted on adequate, stable platforms become relevant (again). An AFV turret on a truck is complete nonsensical in mechanized or any other high intensity conflict. However, for operations in enclosed areas, a truck with an armored cabin just needs to sit on a street intersection and can guard that with pretty heavy weaponry available.

Of course, you still need to protect its flanks and once the enemy manages to position even the lightest armor-defeating weapon in line of sight, such a truck will have to move out or risk getting destroyed. Losses with improvised forces will always be higher, as protection is far harder to achieve than penetration power since the inception of HEAT-projectile launchers. However, replacements are also much easier to come by. We see from the recent Middle Eastern and North African conflicts, how volatile these warzones can become and how long they can keep burning. Ultimately, what one needs is the proliferation of resources, both human and weapons, nothing more.

[Raellus]

I've been saying this for a while now: Once modern first-tier mechanized forces go away, combat becomes less mobile.

Precisely, and that's why anything that can improve troops survivability during movement under fire would probably be seen as worth the resources and effort.

That's why MBT to APC conversions makes sense, as long as turrets are in short supply.

Turretless MBT APCs have a couple of advantages over purpose-built APCs and IFVs. Their low profile makes them more difficult to spot and hit. Protection from the effects of AT weapons is pretty good. The troops are protected by front hits by think armor and the driver's position. They're protected from flank shots by the wheels, tracks, side skirts. And they're protected from rear shots by the engine. Furthermore, by the time these conversions would be taking to the field, modern ATGMs would be in short supply, and there would be fewer hostile MBTs around as well.

Of course, turretless MBTs also have some major disadvantages. Lack of top cover makes the dismounts extremely vulnerable to airburst shells. Having to dismount/remount by climbing up over the hull makes the dismounts vulnerable to direct fire and shrapnel. Lastly, turretless APCs have less firepower than most purpose-built APCs and all IFVs.

[ChalkLine]

A study found that in non-desert warfare 70% of strikes hit the turret meaning you'll likely get a large amount of salvageable chassis out there.

[Brit]

Was done to a Comet: "The Headless Coachman"

https://forum.warthunder.com/index.php/topic/402254-irish-a34-comet-the-headless-coachman/

First post has details and a scale plan. (Needs a gunshield)

[Raellus]

Nice find, Brit.

Definitely another option for tank chassis without turrets after the TDM is the SP AT role. Just slap a TOW or Milan or whatever on there and BOOM, there you go.

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[bash]

Late in the Twilight war, I think main gun ammo will be so rare that anywhere a welder can mount a pintle mount, they will mount a pintle mount. I mean, realistically, on a NATO MBT, you might see one primary mount with a NATO .50 or 7.62 NATO weapon system and an adhoc 'field welded expedient mount ' over a loader hatch and on APCs, air guard positions. In many cases, late in the war, those will have PACT GPMG mount.

https://i.imgflip.com/5zng9l.jpg

I'm definitely Team Truck Covered with Pintle Mounts. While a tank or APC chassis will definitely be better armored than a truck with pintle mounts it's going to be so much more resource intensive and slower. A truck can shoot and scoot and make itself hard to target. A tank chassis will suck down fuel and isn't going to be able to get away from the bad guys quite as quick.

Even without a turret a tank chassis is going to be pretty heavy. How many miles will tank treads last even with the lighter load Is the fuel usage worth the extra armor

[Raellus]

Context Matters

I'm definitely Team Truck Covered with Pintle Mounts. While a tank or APC chassis will definitely be better armored than a truck with pintle mounts it's going to be so much more resource intensive and slower. A truck can shoot and scoot and make itself hard to target. A tank chassis will suck down fuel and isn't going to be able to get away from the bad guys quite as quick.

Even without a turret a tank chassis is going to be pretty heavy. How many miles will tank treads last even with the lighter load Is the fuel usage worth the extra armor

All good points. Gun trucks definitely have advantages, but one major knock against them is that they are pretty much road-bound. Besides better armor, a converted tank chassis APC would have superior cross-country mobility.

It boils down to what it's going to be used for. If it's convoy escort or troop transport on decent roads, then trucks are the smart pick. But if the need is for a vehicle that can transport troops, under direct fire, off-road, then a tank chassis APC conversion is the better choice.

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