Tanto was a small robot that was selected as a reserve for Series 7 of Robot Wars. Under loan to Team Immersion, Tanto did not qualify for the main Series 8, but it was chosen to compete at the pilot episode, where the team were known as 'Team Tanto'. However, upon their arrival, the arena was deemed unsafe for spinning weapons, and Tanto fought in the first round without the use of its weapon. Dara Ó Briain remarked that he particularly liked Tanto at the event.

The name Tanto is derived from Japanese tanto blades, which are short and compact like the robot Tanto itself.



Tanto at the Series 7 qualifiers.

At the time of Series 7, Tanto was a grey box-wedge with some ramming prongs and a disc for a weapon. It weighed 89kg, and could reach top speeds of 22mph. The grinding disc was added on because of the rule for Series 7 that all heavyweight competitors must have a moving weapon. The robot was actually built in Spain.

Photo 02-03-2016 14 01 42

Tanto under Team Immersion

In 2016, Tanto was rebuilt to house a 300mm diameter, 25mm thick single toothed HARDOX disc. It maintained its invertible two-wheeled design, though featured longer wedges previously seen on versions of Tanto that competed outside of Robot Wars to lead robots into its disc.


Tanto defeated Piranha in its qualifier battle for Series 7. Usually, winning a qualifer would grant a robot automatic entry to the series, but Tanto was merely considered a reserve, and went unused. The team also failed to qualify that year with TX-108, which had previously failed to qualify for Series 5 and 6.

Tanto's qualification circumstances for Series 8 are unclear, but it is known that the robot was selected to compete in the pilot recording.

Under ownership of Team Nebula, a spin-off from Team Immersion who entered the robot into the pilot, Tanto attempted to enter Series 9 under the new name of Neutron, but it was not selected to compete.

Team HistoryEdit

Tanto was originally built by Team Danby, one of the oldest running teams in the UK. They first competed in the Featherweight Championship of Series 2, fighting with a robot called Deadline, and have built several robots since then, including TX-108 which has competed in Roaming Robots 2006 alongside Tanto. Despite this, the team had very limited coverage on Robot Wars, with Anto and Gi-Ant-O being the only two of their machines to appear on the televised show.

For Series 8, Tanto was entered by Team Immersion, a young team of roboteers with experience on the live circuit with different weight classes and formed in January 2016. Initially fighting individually, the team have built several notable robots between them. The team's most successful robots are Adam Hamilton's featherweight, 'Amnesia' placing 4th in the 2016 World Championship and Craig Croucher's 'Mr Snappy', winning the UK Beetleweight Championship Annihilator in 2015. They have also owned several other notable robots, such as Bulldog Breed, S.M.I.D.S.Y. & The Grim Reaper.

Tanto was sold to newly formed Team Nebula after the Robot Wars pilot episode was filmed, who rebranded the robot as Neutron. Neutron is scheduled to compete at the final Robot Wars Live Event of the year at Maidstone.

Robot HistoryEdit

Series 8Edit

Although Tanto was selected to compete at the untelevised pilot episode, an event used to test the camera equipment, the arena was unfinished upon Tanto's arrival, meaning Tanto was unable to use its spinning disc weapon for safety reasons.

Tanto fought Basher, Turbulence, and Ka-Pow! in the first round. Tanto was defeated when it drove over the top of Ka-Pow!, causing the small robot to somersault in the air, and lose its safety link upon landing. Tanto was immobile because of this, and Basher attempted to push it into the pit, but fell down with Tanto, and both robots were eliminated from the competition.


Series 8
Series 8 - Pilot Episode
Round 1
Pilot Episode, Group Battle vs. Basher, Ka-Pow!, Turbulence Eliminated

Series RecordEdit


Tanto without its shell at the Series 7 qualifiers

Main Series Tanto Record
The First Wars Did not enter
The Second Wars Featherweight Championship with Deadline
The Third Wars Super Heavyweight Championship with Toxin (event cancelled)
The Fourth Wars Failed to qualify with Vindicare
The Fifth Wars Failed to qualify with TX-108
The Sixth Wars Failed to qualify with TX-108
The Seventh Wars Unused reserve
Featherweight Championship with Gi-Ant-O
Failed to qualify with TX-108
Series 8 Pilot, Round 1 (Team Tanto)
Entered with Foxic (Team Danby)
Not selected with Apex (Team Danby)
Series 9 Not selected as Neutron
Entered with Foxic (Team Danby)
Entered with Apex (Team Terrafonics)
Entered Battle of the Stars with The Cat (Craig Danby)
Robot Wars Extreme Appearances
Series 1 Entered with TX-108 (unaired)
Entered with Anto
Series 2 Entered with Gi-Ant-O

Robot Wars Live EventsEdit

Tanto Newport

Tanto version 6 ready for Newport

Tanto version 6 made its debut in the new Robot Wars Live Events at Guildford. It only fought once in the heats where it was beaten in its battle against Ripper, Cherub & Thor. In the Robot Wars 2013 UK Championship at Newport, it finished second in its heat against Ripper & Iron-Awe 7 allowing it to have another chance in the loser's melee, but didn't make much impact as it was immobilised on one wheel. Tanto also took part in the Robot Wars Winter Tour 2013 at the end of the year. It fought in the secondary heat stages against Dystopia & DTK, but was immobilised in the corner and went out.

Tanto made its last appearance at a live event under ownership of Team Danby in 2015, at the Robot Wars World Championships held in Colchester. Tanto fought Iron-Awe 5, Tiberius and Thor, but was thrown out of the arena by Iron-Awe 5.

Outside of Robot WarsEdit

In 2014, Tanto fought at the STEM Tech Olympiad event in Miami, Florida where it was destroyed by Brazilian competitor Touro Maximus. Tanto was repaired but lost to Team Toad's Polar Vortex by knock out.

Versions of TantoEdit

  • Tanto version 6 with its new top design
  • Tanto version 6 which made its Robot Wars debut in Guildford
  • Tanto XP, the teams featherweight version of Tanto that was never finished.
  • Tanto version 2
  • Tanto version 3
  • Tanto version 3 with TX-108 and Pinser on display.
  • Tanto version 4
  • Tanto version 5

All versions of Tanto have been compact, fast and invertible. Each version of Tanto has been around 65cm long, 50cm wide and 25cm tall.

Under Team DanbyEdit

Version 1 of Tanto was originally a weapon-less robot but was armed with a spinning disc mounted on the front wedge so that it could try to qualify for Series 7 of Robot Wars. It, however, failed to qualify but was considered a reserve. It had wheel guards. This version could reach 22mph.

Version 2 had a wedge with black stripes and wheels in wheel guards.

Version 3 had two prongs to attack and push with instead of a solid wedge. This version of Tanto had thin wheel guards. This version displayed the huge pushing power that all the versions of Tanto possesses. This was because Tanto had 2x 11kw motors, that's 30HP in 100kg or 300HP per tonne. At a event in Magna in 2005, Tanto pushed 5 robots in one go. It also reached the finals of the Roaming Robots 2005 Winter Tour where it lost in the first round to Behemoth.

Version 4 had prongs like the previous version but lacked the wheel guards.

Version 5 featured similar prongs and exposed wheels. This version never competed after it lost a wheel when it clipped a curb during a test drive.

Version 6 of Tanto was built in 2013. The new design maintains the tradition of Tanto being very small for a heavyweight, weighing in at 92kg and being just 65cm long, 50cm wide and 25cm tall. It also sports a new Union Flag-style livery, which was inspired by a robot design uploaded onto the Official Robot Wars Facebook page. Craig has revealed that this version can reach speed of 25-30mph. Tanto has a new top design consisting of the Danby family crest by the forks, Tanto at the back of the top and a "lucky" number, 23, to the side by a wheel.

Under Team ImmersionEdit

The final version of Tanto, and the first version of the machine since Version 1 to feature an active weapon. Team Immersion redesigned Tanto to feature a 25mm HARDOX vertical single tooth disc. Craig Danby & Team Immersion worked together to build the setup in time for the pilot episode of Robot Wars in 2016. The robot was sold to Team Nebula consisting of Craig Croucher and Jack Tweedy after the Pilot, and subsequently renamed Neutron.

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