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RXF-91A Silhouette Gundam Kai

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RXF-91A Silhouette Gundam Kai



Unit Type

Prototype General-Purpose Mobile Suit



Real World

Mechanical Designer


Model Number
  • RXF-91A
Developed from
First Seen
  • February, 0123 U.C.
Known Pilots

General Characteristics

Head Height
  • 15.4 meters50.525 ft
    606.299 in
Max Weight
  • 21.4 metric tons
Standard Weight
  • 9.2 metric tons
Power Output
  • 4890 kW6,557.598 hp
Pilot Accommodations
  • Pilot only (in panoramic monitor/linear seat cockpit in torso)


Max Acceleration
  • 4.30 G
Rocket Thrusters
  • 19920 kg43,916.07 lb
    21.958 tons
  • 2 x 31460 kg69,357.408 lb
    34.679 tons
  • 2 x 4620 kg10,185.354 lb
    5.093 tons
Vernier Thrusters
  • 44 (Standard)
  • 56 (Equipped w/ VSBRs)
  • 2 x Vulcan Gun
  • 2 x Mega Machine Cannon
  • 2 x Heavy Machine Gun
  • 2 x VSBR
  • Grenade Launcher
  • Beam Shield
Optional Equipment

The RXF-91A Silhouette Gundam Kai is a mobile suit that appears in the manga/model kit series Mobile Suit Gundam Silhouette Formula 91 in UC 0123.

Technology & Combat Characteristics

After Tokio Randall and his RXF-91 Silhouette Gundam broke through the Crossbone Vanguard's siege in the Zebra Zone, the Silhouette Gundam's wreckage was returned to Anaheim Electronics and subsequently refurbished as the RXF-91A Silhouette Gundam Kai. It featured reinforced armor throughout the chest, cockpit hatch, and near the intakes. Additionally, it has improved main generator output and is retrofitted with a new model VSBR.


  • VSBR
The most powerful weapon employed by the Silhouette Gundam Kai is a new type of beam rifle known as the Variable Speed Beam Rifle, or VSBR for short. Rather than being a hand-carried weapon powered by an energy cap or e-pac, the VSBR was mounted on the mobile suit itself and powered directly by its reactor. The pilot could adjust the speed at which the mega particles used in the beam fire were accelerated. Slower-speed particles produced a wider beam that delivered more raw damage, and higher-speed particles created a more tightly focused, penetrating beam. Thus, the Silhouette's pilot could choose to deliver beam damage on a wider area or focused, high-speed shots to penetrate thick armor or even beam shields.
The Gundam is equipped with two Variable Speed Beam Rifles which are mounted on the unit's backpack.
  • Vulcan Gun
  • Beam Saber
  • Mega Machine Cannon
  • Heavy Machine Gun
  • Grenade Launcher
  • Beam Shield
  • Beam Rifle




  • The "A" in the "RXF-91A" designation stands for "ADVANCED".
  • ("Kai" is Japanese Kanji character "改". In English means "Modified".

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