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M1E1 TANK PROGRAM
FACTORS
INFLUENCING CHANGES
SOVIET 125MM GUN/AMMO
INCREASED ARMOR PROTECTION
RECOGNITION OF SOVIET NBC THREAT
M1E1
IMPROVED FIREPOWER
120MM GUN
IMPROVED ARMOR
NUCLEAR, BIOLOGICAL, CHEMICAL (NBC) PROTECTION
HYBRID NBC SYSTEM
MICRO-COOLING FOR CREW
WEIGHT REDUCTION
HRONOLOGY
• SEC ARMY 120MM GUN DECISION JAN 78
(AUG 84 PRODUCTION)
120MM SPECIAL ASARC APR 78
120MM LICENSE FEB 79
PROGRAM INITIATED MAR 79
INTERIM VCSA BLOCK
IMPROVEMENT MAR 81
APPROVAL (AUG 85 PRODUCTION)
USER REQUIREMENT FOR CREW COOLING JUL 81
VCSA DECISION
SEP 81
APPROVED BIP
M1E1 = 120MM GUN + BIP
(AUG 85 PRODUCTION)
M1E1 AMMUNITION STOWAGE
ISSUE: 120MM AMMO FRAGILITY NECESSITATES
SPECIAL VEHICLE RACK DESIGN
STATUS:
LOADER'S SEAT
PROBLEM-LOCATION/DOOR FOR SOME PERSONNEL
FIX ALTERNATIVES
DEVELOP VARIABLE LOCATION SEAT (SKATE MOUNT)
• TENTATIVE PLAN
EVALUATE CONCEPT-TEST IN EDT-C/PQT-C
HAVE FIX FOR PQT-G
120 MM GUN AUXILIARY IMPACTS
ISOLATED AMMO RACKS
STUB CASE DEFLECTOR
STUB CASE CONTAINER
RELOCATED LOADER'S HARDWARE
CREW GUARDS
BUSTLE DOOR MECHANICAL LINKAGE
RAISED BUSTLE ROOF
M1E1 TANK PROGRAM
BLOCK IMPROVEMENTS
IMPROVED ARMOR
NBC COLLECTIVE PROTECTION
CREW COOLING
WEIGHT REDUCTION
ARMOR MODIFICATION DEFEATS THREAT EXTENDED TURRET FRONT AND GUN SHIELD WEIGHT INCREASE 1.0 TON INTRODUCE IN DECEMBER 1984
HYBRID NBC
COLLECTIVE PROTECTION
OVERPRESSURE SYSTEM
CREW COOLING
AUTOMATIC CHEMICAL AGENT DETECTOR
CURRENT PROTECTION
VENTILATED FACE PIECE
M13A1 FILTER BLOWER UNIT
M25A1 MASK
M256 CHEMICAL AGENT DETECTOR KIT
ABC-M-11, DS2, PORTABLE DECONTAMINATING
APPARATUS (3 PER VEHICLE)
AN/VDR-1 RADIAC
I
NBC CREW PROTECTION
INTEGRATED NBC/MICRO-COOLING SYSTEM
HULL INSTALLATION
• 2 FILTERS; 200 CFM
• BLEED AIR TAPPED OFF AGT - 1500 TURBINE
DUAL AIR HEATER
TRANSMISSION/FINAL DRIVE
IMPROVEMENTS
TORQUE CONVERTER THRUST BEARING
INCREASED CAPACITY (ADD C4 FRICTION PLATE)
LOWER LOCK-UP SHIFT POINTS
ONE PIECE CONTROL PLATE
CLUTCH/BRAKE LUBE DISTRIBUTION
IMPROVED FILTRATION SYSTEM
TANDEM/VARIABLE DISPLACEMENT PUMP
IMPROVED FINAL DRIVE
THRUST CAPACITY
BETTER DISCONNECT SYSTEM
IMPROVED SEALING
DT/OT II OBJECTIVES
DEMONSTRATE M1E1 MEETS OR EXCEEDS REQUIREMENTS
OF MN AND SYSTEM SPEC
COMPARE PERFORMANCE WITH M1 TANK RELATIVE TO
SURVIVABILITY, FIREPOWER, MOBILITY, AND FIGHTABILITY
DETERMINE RAM-D AND COMPARE WITH M1 TANK
COMPARE OVERALL OPERATIONAL EFFECTIVENESS WITH
M1 TANK
BLOCK II IMPROVEMENTS HARDWARE PLANS
IMPROVED COMMANDERS STATION
REVISED CONCEPT COMMANDERS WEAPON
REVISE CDR'S HATCH & VISION BLOCKS FOR MAX
VISION
INTEGRAL THERMAL IMAGING
CMD & CONTROL DATA STORAGE & PRESENTATION
DRIVERS THERMAL IMAGING SYSTEM
DIRECT VIEW PERISCOPE
REMOTE VIEW VIDEO
CO2 LASER RANGEFINDER INTEGRATION
ENHANCED SMOKE DISPENSING CAPABILITY
FAST REFUEL CAPABILITY
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