XM-X1 Crossbone Gundam X-1 Kai


Model number(s): XM-X1 (Crossbone Vanguard); F97 (Strategic Naval Research Institute
Code name:
Crossbone Gundam X-1 Kai
Unit type: 
prototype general purpose mobile suit
Crossbone Vanguard
First deployment: 
UC 0133
 pilot only, in panoramic monitor/linear seat cockpit in torso with Core Block System using Core Fighter
head height 15.9 meters
empty 9.5 metric tons; max gross 24.8 metric tons
Armor materials: 
Gundarium alloy high ceramic composite
Minovsky type ultracompact fusion reactor, output rated at 5,280 kW
100,000 ~ 120,000 kg total (rocket thrusters: 4 x 25,000 kg (maximum 30,000 kg)); vernier thrusters/apogee motors: 34
Equipment and design features:
 sensors, range unknown; special weapons targeting sensor in head, can be deployed over right eye sensor/camera; dummy launchers in hands; optional ABC (anti-beam coating) mantle
Fixed armaments: 2 x vulcan gun, mounted in head; 2 x beam saber/beam guns, stored in shoulder recharge racks, hand-carried in use; 2 x heat dagger, stored in thighs, hand-carried in use, blades can extend or be launched from soles of feet; 2 x screw whip, stored in rear skirt 
armor, hand-carried in use; 2 x brand marker/beam shield, mounted one on each forearm, can be removed
Optional hand armaments: buster gun, can launch grenades (standard and nuclear warhead type); beam zanber; zanbuster (combined buster gun/beam zanber)

The XM-X1 Crossbone Gundam X-1 was badly damaged after a fierce battle with the Jupiter Empire’s Death Gale Team. During its repair, the Crossbone Vanguard engineers took the opportunity to give the machine a slight upgrade as well. This change consisted primarily of the addition of the screw whip, stored on the rear skirt armor. Designed to counter the reach advantage possessed by the EMS-VSX1 Quavarze and its snake hands, the screw whips were not as powerful as the snake hands but were still effective weapons. However, the scissor anchors of the original X-1 had to be removed as the storage space for their chains was needed to house the whips. The X-1 Kai served Kincade for the remainder of the Jupiter Conflict, and upon his retirement he handed the machine to Tobia Arronax, who further upgraded it into the X-1 Skull Heart.

Pilot: Kincade Nau (aka Seabook Arno)
First appearance: Mobile Suit Crossbone Gundam
Original mechanical designer: Hajime Katoki
Note: Core Fighter custom color lineart by AmuroNT1


Crossbone Gundam Info

Yoshiyuki Tomino
Yuichi Hasegawa

Yuichi Hasegawa

Mechanical Designer(s):
Yuichi Hasegawa
Hajime Katoki

6 volumes

Manga Release:
Japan 12.01.1994 – 03.01.1997


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