Author Topic: M-103A3 in the 2nd Korean War  (Read 889 times)

Offline Logan Hartke

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Re: M-103A3 in the 2nd Korean War
« Reply #15 on: May 07, 2018, 09:32:45 AM »
I love the M103. This build is going to be awesome.

The 105mm L7 is a bit of a downgrade. It'd also give a lot of extra room in the turret. Any plans on what to do with that?

Cheers,

Logan

Offline tankmodeler

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Re: M-103A3 in the 2nd Korean War
« Reply #16 on: May 07, 2018, 09:45:24 PM »
The 105mm L7 is a bit of a downgrade. It'd also give a lot of extra room in the turret. Any plans on what to do with that?
Actually, the L7/M68 was an upgrade from the 120mm M58. It's penetration numbers were significantly higher, mostly because of increased bore pressure and better ammo. It's why the M60 ended up with the L7 and not an improved M58. The ammo was smaller and single piece which allowed faster loading, also a significant benefit, but the penetration values were much better.

As for the additional room, mostly because of the reduced crew of 4 from 5, I'm positing additional ammo in the form of a larger ready rack in the turret basket and possible shifting of the radio from the bustle to above the new ammo rack to permit more ammo in the bustle. I would bet you could fit an additional 30 rounds, all told, maybe more.

Luckily, I'm not putting an interior in this beast.

Paul

Offline Logan Hartke

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Re: M-103A3 in the 2nd Korean War
« Reply #17 on: May 07, 2018, 11:23:15 PM »
Oh, I know it's a practical upgrade, and I'm not surprised it would have better penetration for the reasons stated. I just mean that you've got a lot of room to play with and could put a beefier gun in there.

I remember talking with Charles Lemons, the curator of the Patton Museum (before the US Army—in its infinite wisdom—BRAC'ed it), and he noted that the 120mm M58 gun on the M103 was kinetically more powerful than the 120mm M256A1 gun mounted on the Abrams. Obviously, advances in ammunition technology meant that the Abrams had greater effect on target, but the 120mm M58 was a monster.

The lighter gun weight also means that you should get away with the additionally turret face armor without any issue.

Cheers,

Logan

Offline tankmodeler

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Re: M-103A3 in the 2nd Korean War
« Reply #18 on: May 09, 2018, 12:46:48 AM »
I just mean that you've got a lot of room to play with and could put a beefier gun in there.
Quote
he noted that the 120mm M58 gun on the M103 was kinetically more powerful than the 120mm M256A1 gun mounted on the Abrams. Obviously, advances in ammunition technology meant that the Abrams had greater effect on target, but the 120mm M58 was a monster.
Quote
The lighter gun weight also means that you should get away with the additionally turret face armor without any issue.

Yeah, that's kinda where I was going with all this. ;)

Looking forward to getting the up-armouring done so I can complete the build. Next really visible thing is to see if the M60 cupola is going to work or not. Not sure. It may not fit properly or I may have to move the cupola centre back a bit. Adding extra height is a good thing, right?  :o

Paul

Offline Logan Hartke

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Re: M-103A3 in the 2nd Korean War
« Reply #19 on: May 09, 2018, 01:34:41 AM »
In fairness, the extra height isn't a big deal in the mountains. In fact, there are times where it can be a benefit. It would allow the vehicle to occupy a turret down defensive position and still offer infantry support before moving up into a hull down configuration.

Cheers,

Logan

Offline tankmodeler

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Re: M-103A3 in the 2nd Korean War
« Reply #20 on: May 16, 2018, 10:47:34 AM »
Bit of an update. The applique armour is in place and just needs weld beads along the flanks. The cupola is in progress. Needs seams filled and the gap under the MG rotor filled. The 105 is in place in the mantlet and the mantlet is in place on the turret. Need to create the fabric mantlet cover out of epoxy putty. The larger turret bustle racks need to be scratch built.

Then the basic build needs to be completed and the storage added before painting.

Coming along.

Offline Logan Hartke

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Re: M-103A3 in the 2nd Korean War
« Reply #21 on: May 16, 2018, 12:00:40 PM »
Looks sharp. Keep up the great work!

Cheers,

Logan

Offline Old Wombat

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Re: M-103A3 in the 2nd Korean War
« Reply #22 on: May 16, 2018, 10:26:28 PM »
I'm quietly watching & I like what I see! :smiley: ;)
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Online LemonJello

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Re: M-103A3 in the 2nd Korean War
« Reply #23 on: May 16, 2018, 10:32:51 PM »
Going to be a fantastic beast when all is said and done.  Awesome work!