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Axlebots are a type of competitor robot whose design is characterised by a minimalistic body and two large wheels. They began appearing in Robot Wars in Series 2, with Wheelosaurus being the first robot to be built in this way.

The most successful axlebots to appear on the show include Series 4 Grand Finalist Stinger, two-time Semi-Finalist S3, and Dutch Series 2 champion PulverizeR. Other notable examples include joint Battle of the Stars champion Kadeena Machina, American robot General Chompsalot and Gabriel.

DefinitionEdit

TheMaster95

The Master, credited as the first axlebot

What little base an axlebot has is built around the robot's axle, hence the name. The size of the base can be reduced to virtually nothing by housing the electronics inside the robot's wheels, as famously shown by The Master and Stinger, although most of them incorporate their internals into a compact chassis and body which effectively forms the axle, such as S3, PulverizeR and Kill-E-Crank-E. Axlebots are very often the preferred design choice for many thwackbots, although both subtypes can be built with a conventional design. A robot is defined as an axlebot if 75% or more of its wheels' outer rim circumference can touch the ground without any obstruction - the minimum amount needed for it to be capable of running inverted and doing a wheelie.

Advantages and DisadvantagesEdit

AdvantagesEdit

Panic attack vs stinger

Stinger's design prevented Panic Attack's forks from gaining any advantage over it

Attila the drum vs razer

Attila the Drum proved too tall and offered no flat sides for Razer to crush through its body

Beast vs gabriel 2

Gabriel pounds Beast with its sword

S3Plunderbird

S3 shreds Plunderbird 5 with its vertical flywheel

  • Because of their unconventional design, axlebots can offer themselves numerous advantages over many types of traditional weapons:
    • Being inherently invertible, they are not as easily affected by lifting and flipping weapons as conventional designs. Stinger's performances against Bulldog Breed 2, Panic Attack and Chaos 2 in Series 4 showed it as being particularly unaffected by its opponents' lifts, shoves and flips.
    • Most of them have virtually no flat sides or surfaces, making them difficult to be struck and damaged by overhead weapons such as axes and hammers.
    • Depending on their size, their shape could make them difficult - or even impossible - for gripping weapons to grab hold of them. Razer's crusher was noticeably unable to reach Attila the Drum during the Series 4 Southern Annihilator, while during its Series 8 Head to Head battle against Chompalot, Gabriel was able to push Chompalot back after the latter's wheels lifted off the arena floor trying to grab its body.
  • They could offer potentially devastating damage potential - especially to internal components - depending on the power of their drive systems and overhead or torque reaction weapons. Both Stinger and Gabriel were successfully capable of damaging and immobilising their opponents through repeated blows with their respective mace and sword weapons.
  • They were easily compatible with vertical flywheels. S3, PulverizeR and Kadeena Machina were all able to use this weapon type with devastating effect throughout their respective appearances.
  • Such are their more flamboyant and persistent attacking styles, axlebots could often score highly on aggression, damage and, prior to Series 8, style. Again, Stinger's victory against Panic Attack in the Series 4 Semi-Finals was attributed to the judges viewing it as having more sustained aggression throughout that battle.

DisdvantagesEdit

Kadeena machina vs dee

Dee's right-hand wheel is ripped off by Kadeena Machina's disc

GCflipsStinger

General Carnage 2 flips Stinger over

DeadMetalStinger

Dead Metal grabs hold of Stinger as he slices into its wheel hub

  • An axlebot requires both of the robots' wheels to be completely exposed and the axles unprotected from shocks. As well as making the electronics housed in their wheels vulnerable to internal damage, this design requirement often leaves the wheels, motors and axles themselves prone to being damaged or broken off. The Mangulator, Chimera and Dee's losses to Ming 2, M.R. Speed Squared and Kadeena Machina respectively were especially indicative of this vulnerability.
  • Axlebots are always two-wheel drive with a zero turning circle, making them relatively difficult to control. Such control issues were especially crucial in Stinger's defeats at various points during its run, with the latter ending up in the pit or losing judges' decisions directly because of this factor.
  • Depending on their width and the size of their axles, they could be easily pushed around or tipped over upon driving over wedges and scoops. Stinger was especially vulnerable to this issue throughout its appearances, as was S3 during its defeats against Bigger Brother and Firestorm 4.
  • They often possessed very little pushing power due to their short bodies and lack of effective wedge, lifting or grabbing weapons. US series competitor General Chompsalot was a notable exception, using a set of hydraulic clamping jaws to grab, push and drag its opponents around the arena.

List of AxlebotsEdit

Chimera2 official

Chimera2

Gabriel 10

Gabriel 2

General chompsalot 2

General Chompsalot 2

Infernal Contraption

Infernal Contraption

KadeenaMachina

Kadeena Machina

Kill-E-Crank-E

Kill-E-Crank-E

S3 Profile

S3

Stinger

Stinger

Wheelosaurus

Wheelosaurus, the first axlebot to appear in the main competition of UK Robot Wars

Robots are listed alphabetically. Robots which are not heavyweight entries are listed with a green background.

Robot Series Appearances Notes
Armour Geddon Series 3
Attila the Drum Series 4 Interchangeable mace and pickaxe
Buzzant Extreme 2
Chimera Series 8-9 Competed in Series 9 as Chimera2.
Dee Series 9 Competed exclusively in Battle of the Stars.
Diotoir Series 10 Applies only to the remodelled loanerbot which previously competed as Kadeena Machina.
Flip Flop Fly Series 3
Gabriel Series 8, 10 Largest competitor robot in the show's history. Interchangeable swinging weapons including a sword, axes, hammers and maces; all can operate independently without the robot's wheels moving. Competed in Series 10 as Gabriel 2.
General Chompsalot US Season 1-2
Infernal Contraption Series 6-8, Extreme 2 Never progressed beyond the first round in the main competition.
Kadeena Machina Series 9 Competed exclusively in Battle of the Stars. Armed with a 2,000rpm vertical flywheel weighing 15kg. Battle of the Stars Champion. Later remodeled into Diotoir.
Kill-E-Crank-E Series 8 Features a 450rpm spinning disc, can swing body overhead to increase the robot's damage output.
Mesmer 2 Extreme 2
Mjollnir MTV Pilot
PulverizeR UK Series 7, Extreme Series 2, Dutch Series 1-2 Dutch Series 2 Champion. Armed with a vertical flywheel.
Rosebud Series 2
S3 Series 5-6, Extreme 2 Series 5 and 6 Semi-Finalist. Armed with a vertical flywheel.
Slamtilt Dutch Series 2
St. Agro Series 6-7
Stinger UK Series 3-6, Extreme 1-2, US Season 1 First robot with a torque reaction weapon (along with Weeliwako) Featured a pizza cutter in Series 3 and a mace in all subsequent appearances. Series 4 Grand Finalist.
The Mangulator Series 4
Tough As Nails UK Series 7-8, Dutch Series 2
Weeliwako Series 3
Wheelosaurus Series 2, 4 First axlebot to compete in any series.
Wheely Big Cheese Series 4-5, Extreme 1

TriviaEdit

  • The creation of the axlebot is often accredited to The Master, 1995 UK Open Competition winner and 1995 US Robot Wars co-champion.
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