European MGCS ( Main Ground Combat System)

muttbutt

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Though they seem to be pitching it squarely at the MGCS program, whether in earnest or just to get some of the R&D funding is debatable of course.
Well they are calling this version the SHARD 120 which is a very variant specific name and leaves open other calibres for SHARD plus,

The validation and qualification of innovative technology building blocks in the SHARD programme is also one of the milestones in the development of very high performance ammunition for future land combat systems, in particular the Main Ground Combat System.
Seems like they have ideas going forward with the whole SHARD project.
 

muttbutt

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Nexter has been busy...

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Nexter is proposing the ASCALON concept ("Autoloaded and SCALable Outperforming guN") designed to cope with the latest generation of heavy armor while staying ahead of the threats of the next half-centur

 

TomS

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Modern sabot rounds are already heavily telescoped; this just takes it to the logical extreme by pushing the sabot all the way to the front of the dart and filling the volume of the case behind it. NEXTER has some experience with "puller" sabots like this, thanks to 40 CTA.

Just guessing that this is a 140mm gun, with a dart around 1 meter long.

Edit: interestingly, this telescoped round is about the same length overall as the new Rheinmetall 130mm design, at 1.3m.
 
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MihoshiK

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Modern sabot rounds are already heavily telescoped; this just takes it to the logical extreme by pushing the sabot all the way to the front of the dart and filling the volume of the case behind it. NEXTER has some experience with "puller" sabots like this, thanks to 40 CTA.

Just guessing that this is a 140mm gun, with a dart around 1 meter long.

Edit: interestingly, this telescoped round is about the same length overall as the new Rheinmetall 130mm design, at 1.3m.
Then that dart is what, 1.10 - 1.20 meters long? Damn son.

Also, that split flash channel for ignition looks funky.
 

TomS

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Modern sabot rounds are already heavily telescoped; this just takes it to the logical extreme by pushing the sabot all the way to the front of the dart and filling the volume of the case behind it. NEXTER has some experience with "puller" sabots like this, thanks to 40 CTA.

Just guessing that this is a 140mm gun, with a dart around 1 meter long.

Edit: interestingly, this telescoped round is about the same length overall as the new Rheinmetall 130mm design, at 1.3m.
Then that dart is what, 1.10 - 1.20 meters long? Damn son.

Also, that split flash channel for ignition looks funky.

Probably on the low end of that range. The APFSDS round might actually be a little shorter than the other rounds, since HE/HEAT rounds want to maximize the volume of the projectile and can't be totally buried in the propellant like the APFSDS dart.

But yeah, it's a beast no matter how you measure it. OTOH, I've seen several articles noting that the KE being claimed isn't terribly impressive, only a modest improvement over the current long-barrel 120mm.
 

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KE figures are probably for the penetrator and not the entire projectile. Rheinmetall expected its old 140mm gun to impart 14 megajoules to the penetrator against 23 MJ to the projectile.
 

TomS

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KE figures are probably for the penetrator and not the entire projectile. Rheinmetall expected its old 140mm gun to impart 14 megajoules to the penetrator against 23 MJ to the projectile.

I really have no idea how much energy gets left in the sabot. Presumably as little as possible?
 

MihoshiK

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KE figures are probably for the penetrator and not the entire projectile. Rheinmetall expected its old 140mm gun to impart 14 megajoules to the penetrator against 23 MJ to the projectile.

I really have no idea how much energy gets left in the sabot. Presumably as little as possible?
I recall reading somewhere that the sabot can eat up to 30% of the KE, but don't quote me on that. Anyway, the things aren't as light as you'd think (They have to be pretty sturdy after all), and reducing their weight is an important design goal.
 

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