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Sturgeon's House

Britons are in trouble


Mighty_Zuk

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  • 3 weeks later...

Challenger 2E  Gate Guard - RBSL

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https://www.facebook.com/groups/chally/permalink/2823443321019733/

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Challenger 2 Turret lift

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Standard turret weight: 18t~
W/ add-on: 20t~

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Challenger 2 Hit by 14 RPGs - Iraq

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Challenger 2 Experimental Autoloaders

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Challenger 2 ROSY Demonstration
 


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Challenger 2 Engine @ 2000bhp?

Seems there were multiple tests running the CV12 at 1500bhp and even 2000bhp but engine was limited by TN54 transmission:
https://www.facebook.com/groups/chally/permalink/2341430025887734/
 

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With more power the vibrations will affect the rest of the tank, I drove Megatron with 2000 HP everything else suffered including bore sighting. It’s a stupid idea

Yep it was a trial to see what would fail with more power as Megatron got heavier, and everything suffered. We did get 8 gallons to the mile 😮 armour support arms fell off and/ or cracked even the armour packs suffered. Then it was run on Avgas rather than diesel. All bad


 

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Challenger 1 Maintenance Schedule

Written by Vickers?

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Challenger 1 Structural Test
 

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We did this on CTT (CR1 Training Tank) after a rollover test, to confirm for MOD the strength of the cab roof. MOD had taken academic advice, which assumed that the vehicle rolled over onto an infinitely stiff ground plane (the ground absorbed zero energy), but were happy with the rollover test. The CTT was recovered end-over-end like this to minimise damage (only real damage was broken cab front window as the vehicle initially slid inverted against some stones). (former Chief Engineer for CTT at Royal Ordnance, Leeds).

https://www.facebook.com/groups/chally/permalink/2931050650258999/

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Project Chaser

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 A project for a remotely operated turret to be fitted to tanks. designed as part of the later FMBT studies done by Royal Ordnance and Vickers who submitted 6 designs, Chaser was used on Future tank Concept 6 and B 1983. Chaser is the type of auto-loader, like cat and mouse, bar type etc. themselves follow on work from such projects as Comres or STT Vulcan and Cassandra.

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Although they were using Chieftain, the crews operated on exercise as normal, but the auto functions were conducted by a team. So for example, auto track tensioner were simulated by the team carrying out track adjustments.

One of the guys involved, when asked, pointed out that an auto loader couldn't help with bombing up or cover radio stags. The concept of a 3 man crew on MBT wasn't popular.

https://www.facebook.com/groups/chally/permalink/3097827926914603/

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Challenger Improvement Program (CHIP)
 

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 deficiencies that the CHIP programme was supposed to fix. I don't know how many of the fixes actually saw service?

From

DEFE70/1380


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https://www.facebook.com/groups/chally/permalink/3043757718988291/

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The Legend of Wolfgang The Fast-Food Man
 


During the Cold War Wolfgang Meier became a legend to the BAOR (British Army on the Rhine).He owned a fast-food van and made a living following around British units on exercise.
No matter how distant or hidden a unit was Wolfgang managed to find them.

Soldiers thought he must have been a Soviet spy but turns out he was just bribing other soldiers with packs of Beer. 

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10 hours ago, chihab said:

what's the story about this "Experimental Autoloaders"  plz ? 

the second one it's similar to the Russian AZ autoloade for T72/90 MBTs 


There's not much info.

Bustle:
 

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Some years ago FHL (then Fairey Hydraulics) was awarded a contract by what is now the Defence Evaluation and Research Agency for the design, development and construction of a prototype 120 mm automatic loader.

The FHL design was of the bustle-mounted electromechanical type and held a total of 20 complete Explosive Squash Head (HESH) and Armour-Piercing Fin-Stabilised Discarding Sabot (APFSDS).

The 120 mm ammunition could be replenished from the front (internal) or from the rear (external) with ammunition selection being automatic on command with the selected round then being transported to the load position using a bidirectional conveyor mechanism.

The ammunition was clamped in position in its tube to prevent damage and a tubular sleeve supports the round between the tube and the breech for reliable ramming on the move, the rammer being of the ribbon.

Provision was also made for full emergency manual reversion with control being by microprocessor for ease of use and principal actuation by rare earth brushless DC motors.

Cycle time for a single round was 8 seconds while cycle time for a three-round burst was 21 seconds.

This system successfully completed its static trials but was never fitted into a vehicle for firing trials.

http://www.army-guide.com/eng/product676.html


I think it was made mid-90's as a possible upgrade to Challenger 2 and to learn more about autoloaders as the NATO 140mm gun would need one.

The carousel type uses a "Cat & mouse" two-piece ammo rammer.

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Does anyone have any further information on the RARDE APFSDS round that the UK used during the 1970s tri-lateral gun evaluation and then later displayed at the 1976 BAEE for the Iranian Chieftains? All I've got are some rather poor scans of a JDW. I'm curious how Britain had 120mm APFSDS in '76 but then did nothing to get any into service before ordering L23 in '78 (and not getting it until ~'83). Is there anything known about these rounds? Names even?

 

Spoiler

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I know there is a better image of the rounds in one of the Hanyes books of all the ammo on display for Iran, including the HEAT-FS and a sharp-nosed HESH (wtf?), any of the archive diggers have anymore about these things?

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