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| | + | Extended Documentation found on Google Drive |
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| | {| class="wikitable" align="right" | | {| class="wikitable" align="right" |
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| − | ! scope="row" colspan="2" style="background-color:#FFFF99" | Anxieti | + | ! scope="row" colspan="2" style="background-color:#FFFF99" | Tsunami |
| | |- | | |- |
| − | ! scope="row" colspan="2" | [[File:Anxieti.png|frameless|right|480x360px|(Highlight text)]] | + | ! scope="row" colspan="2" | [[File:Tsunami.jpg|frameless|right|480x360px|(Highlight text)]] |
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| | ! scope="row" style="text-align:left" | Year Of Creation | | ! scope="row" style="text-align:left" | Year Of Creation |
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| | ! scope="row" style="text-align:left" | Wins/Losses | | ! scope="row" style="text-align:left" | Wins/Losses |
| − | | {{{winloss|3/1 NHRL}}} | + | | {{{winloss|X/X}}} |
| | |- | | |- |
| | ! scope="row" colspan="2" style="background-color:#FFFF99" | Information and Statistics | | ! scope="row" colspan="2" style="background-color:#FFFF99" | Information and Statistics |
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| | ! scope="row" style="text-align:left" | Weapon Class | | ! scope="row" style="text-align:left" | Weapon Class |
| − | | {{{weapc|HorizontalSpinner}}} | + | | {{{weapc|Beater Bar}}} |
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| | ! scope="row" style="text-align:left" | Combined Wins/Losses | | ! scope="row" style="text-align:left" | Combined Wins/Losses |
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| | ! scope="row" style="text-align:left" | Weapon Speed | | ! scope="row" style="text-align:left" | Weapon Speed |
| − | | 1200 RPM (67 MPH)
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| − | |-
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| − | ! scope="row" style="text-align:left" | Other
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| − | | {{{TBA|ANXIETI ATTACK!!!}}}
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| | |} | | |} |
| − | == Introduction ==
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| − | [https://docs.google.com/document/d/1_9pcQnjs1Q_Kd0_f5cUBymxIlhWiaUz1tR2DUY725CI/edit Tsunami Google Docs Documentation]
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| − | Members:
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| − | *Lucas McCarty (Lead)
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| − | *Todd Hayes (Mentor)
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| − | *Keaton Sadoski (Weapon Lead)
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| − | *Paul Matesevac (Chassis Lead)
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| − | *Evan Strakes
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| − | *Daniel Johnson
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| − | *Xiang Li
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| − | *Lucy Bricker
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| − | The team's more extensive documentation can be found at this link: https://docs.google.com/document/d/1LtbrHVIr5lqzLVn4FUh158oAXrgpYj4iD0K-CjWxbco/edit?usp=sharing
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| | | | |
| | == Chassis System== | | == Chassis System== |
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| − | Anxieti has a rectangular footprint measuring roughly 12x18 inches at its widest. Side Plating in vertical planes was avoided, instead opting for smooth slanted sheets of Titanium (0.125 inches thick in all directions except for the front plate which is 0.25 inches). These smooth angled plates were meant to help deflect the energy from hits to the robot during combat and prevent Anxieti from absorbing the full force of other weapons. Furthermore, the chassis features a “skirt”, metal plating covering some of the distance between the bottom plate and the ground, helping to defend against Vertical Spinners or Beater Bars by preventing their access to a biteable ledge on the bottom of the robot.
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| | | | |
| | == Weapon System == | | == Weapon System == |
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| − | For the weapon assembly, a 1:1 pulley driven system was selected to help protect the drive motor from feedback from weapon impacts. The weapon is a 11.5 inch diameter disk with approximately 3 inches of extension from the front of the robot. This subassembly is asymmetrical and single tooth to maximize weapon bite. The entire weapon assembly is housed in a solid Aluminum 6061 weapon block that can be removed from the robot entirely.
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| | | | |
| | == Drive System == | | == Drive System == |
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| − | The drive system features four inch Coulson wheels directly mounted to 1:16 gearboxes which are mounted to the chassis. Given the ½ inch shaft diameter for the gearboxes, concerns about lack of dual sided wheel support were minimal. Furthermore, the gearboxes are driven by two Turnigy Aerodrive SK3 - 4240-740KV Brushless Outrunner Motors. These gearbox+wheel+motor modules are easily swappable between rounds. In terms of electronics, two 5500 mAh 3s batteries were selected to run in series to get 6S voltage in a divided form factor.
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| | | | |
| | == Electronics == | | == Electronics == |
| − | The electronics for Anxieti closely mimicked those from Tsunami (a new vertical spinner from the 2022-2023 season).
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| | {| border="1" cellspacing="1" cellpadding="1" style="width: 500px;" | | {| border="1" cellspacing="1" cellpadding="1" style="width: 500px;" |
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| | | Drive Motors | | | Drive Motors |
| − | | <span style="color: rgb(0, 0, 0); font-family: arial, sans, sans-serif; line-height: normal; white-space: pre-wrap;">Turnigy Aerodrive SK3 - 4240-740KV Brushless Outrunner Motor | + | | |
| − | </span><br/>
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| | |- | | |- |
| | | Drive Motor Controllers | | | Drive Motor Controllers |
| − | | Flipsky Dual FSESC 4.2s | + | | |
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| | | Weapon Motor | | | Weapon Motor |
| − | | HobbyKing 5060 v2 380 kv | + | | |
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| | | Weapon Motor Controllers | | | Weapon Motor Controllers |
| − | | HobbyKing Redbrick 200a ESC | + | | |
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| | | Receiver | | | Receiver |
| − | | <span style="line-height: 20.7999992370605px;">Hobby King 2.4Ghz Receiver 6Ch V2</span><br/> | + | | |
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| | | Remote Control | | | Remote Control |
| − | | <span style="line-height: 20.7999992370605px;">Hobby King 2.4Ghz 6Ch Tx and Rx V2</span><br/> | + | | |
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| | | Battery | | | Battery |
| − | | Turnigy Rapid 5500mAh 3S2P | + | | |
| | |- | | |- |
| | |} | | |} |
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| | == Competitions == | | == Competitions == |
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| − | === [[NHRL_2023|NHRL_2023]] === | + | === [[NHRL March 2023|NHRL March 2023]] === |
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| − | Over the course of the March 2023 NHRL Competition, Anxieti competed in 4 matches and was forced to forefit 1. Here is a recap of Anxieti’s Perormance at its inaugural tournament.
| + | === [[NHRL June 2023|NHRL June 2023]] === |
| | | | |
| − | | + | == Notes == |
| − | Anxieti’s first fight was against a beater bar named Vacca Tank. Their left side drive was dysfunctional, but their right could move and their weapon was functional.
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| − | | |
| − | The footage from the match can be viewed here: https://youtu.be/xQTbCkwBmD4?t=3100
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| − | | |
| − | The Fight was a quick and decisive victory for Anxieti, with the titanium armor taking 0 damage, and dealing a significant amount of carnate to the vertical spinner. Anxieti ended up ripping off the robot’s rear armour as well as numerous fasteners and other mounting hardware. After this match, no repairs or replacements were necessary with the exception of some tuning and retightening.
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| − | Anxieti’s second match was against a flipper named Sake Shrovin. This was also a quick fight with no damage being supplied by the opponent.
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| − | Here is the footage: https://youtu.be/xQTbCkwBmD4?t=14851
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| − | | |
| − | Ultimately, the opposing robot almost managed to flip Anxieti once. This was, however, not a danger to Anxieit as the robot is flippable. The fight was ended by Anxieti when the horizontal weapon destroyed Sake Shrovin’s drivetrain, wheels, belts, and protective hdpe armor.
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| − | Anxieti’s third match was against a midcutter named Floor Letter Word. This was a challenging fight, but the victory here, ultimately qualified Anxieti for the NHRL world championships in November 2023.
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| − | | |
| − | Here is the fight footage: https://youtu.be/xQTbCkwBmD4?t=21213
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| − | | |
| − | A number of issues presented themselves during this fight. Mainly, that the weapon assembly went offline due to an ESC issue for a majority of the fight, and because Floor Letter Word was able to dislodge one of Anxieti’s armor plates by hitting the robot at its vulnerable corners. This was a close fight, and came down to judging. Between this fight and the next 2 corner blocks had to be replaced as well as a plate.
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| − | Between the 3rd and 4th Fights, an ESC caught fire in the Pits. This set Anxieti behind schedule severely and caused the team to have to forfeit a match. At this point the team had already qualified for the world championship, so the robot’s performance was still a success. Ultimately, this explosion as likely the result of having BEC turned on on multiple ESCs.
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| − | Anxieti performed in one final round for NHRL (3rd vs. 4th place). Unfortunately, this match resulted in a total destruction of the robot.
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| − | | |
| − | Here is the footage:https://youtu.be/xQTbCkwBmD4?t=31000
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| − | | |
| − | STF (being 50 lbs with weight bonuses) was able to shear off Anxieti’s plates exposing its internals. From there on, it was game over. The robot looked like this in the end:
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| | === Issues === | | === Issues === |
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| − | The main failure point for the robot was the plate mounting. If hit at the corners, the plates would shear off, leaving Anxieti exposed. Because Anxieti qualified for the NHRL world championship, work began immediately after competition to analyze this failure and prepare an enhanced rebuilding of the robot for the November 2023 competition.
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| − | Ultimately, a good balance between number of fasteners and fastener size was determined, as demonstrated in the table above. This along with many design conversations resulted in a design for Anxiei 1.5.
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| | | | |
| | === Changes to make === | | === Changes to make === |
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| − | Anxieti 1.5’s corner blocks will feature 4 upgraded fasteners as well as steel inserts, interfacing between the armor and the bottom plate. The corner blocks will also be made from AL 7075 and not 6061. Furthemore, Anxieti’s bitable edges will be chamfered down and smoothed. All these design details will help eliminate any cases where Anxieti’s plates may shear off. On the electronics side, the robot will upgrade to 8s, and switch to censored motors in order to ensure greater consistency in drive.
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| − | Ultimately, we hope that these changes will improve Anxeiti’s effectiveness at its next competition and make it a strong competitor for the World Championship.
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| − | [[File:AnxietiLogo.png]]
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