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	<id>https://wiki.robojackets.org/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Kxiao40</id>
	<title>RoboJackets Wiki - User contributions [en]</title>
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	<updated>2026-04-20T14:38:39Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://wiki.robojackets.org/index.php?title=Hocki&amp;diff=20086</id>
		<title>Hocki</title>
		<link rel="alternate" type="text/html" href="https://wiki.robojackets.org/index.php?title=Hocki&amp;diff=20086"/>
		<updated>2022-02-25T23:22:21Z</updated>

		<summary type="html">&lt;p&gt;Kxiao40: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{| class=&amp;quot;wikitable&amp;quot; align=&amp;quot;right&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot; style=&amp;quot;background-color:#FFFF99&amp;quot; | Hocki&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot; | [[File:(Image filename)|frameless|right|480x360px|(Highlight text)]]&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Year Of Creation&lt;br /&gt;
| {{{year|2020-2021}}}&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot; style=&amp;quot;background-color:#FFFF99&amp;quot; | Versions&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Current Version&lt;br /&gt;
| {{{currver|1.0}}}&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Update Year&lt;br /&gt;
| {{{updyr|2020-2021}}}&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Wins/Losses&lt;br /&gt;
| {{{winloss|Did not fight}}}&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot; style=&amp;quot;background-color:#FFFF99&amp;quot; | Information and Statistics&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Weight Class&lt;br /&gt;
| {{{wc|Hobby Weight}}}&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Weapon Class&lt;br /&gt;
| {{{weapc|(Translational Drift Spinner/Meltybrain)}}}&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Combined Wins/Losses&lt;br /&gt;
| {{{winloss|Did not fight}}}&lt;br /&gt;
|-&lt;br /&gt;
! scope=&amp;quot;row&amp;quot; style=&amp;quot;text-align:left&amp;quot; | Weapon Speed&lt;br /&gt;
| {{{TBA|3600 RPM}}}&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
Hocki is a Meltybrain, a combat robot that spins itself to attack.  Unlike other robots, which have a stationary frame and spinning weapon, in this robot the entire frame is the weapon, and the robot spins itself to attack.  This allows the robot to store more energy while spinning slower, which allows for hits to connect better. Such a design requires a control system which uses sensors to estimate the position of the robot. This robot utilizes custom circuitry and software to allow the frame to move, spin, and attack. &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Competitions ==&lt;br /&gt;
Due to COVID-19 this robot did not go to competitions.&lt;br /&gt;
&lt;br /&gt;
== Design ==&lt;br /&gt;
&lt;br /&gt;
=== (Hocki) V1.0 ===&lt;br /&gt;
&lt;br /&gt;
Team Lead: Valentin Richter&lt;br /&gt;
&lt;br /&gt;
Team Mentor: Varun Madabushi&lt;br /&gt;
&lt;br /&gt;
Members: John Bowzard, Kevin Xiao, Madeline Belew, Steven Zhao&lt;br /&gt;
{| border=&amp;quot;1&amp;quot; cellspacing=&amp;quot;1&amp;quot; cellpadding=&amp;quot;1&amp;quot; style=&amp;quot;width: 500px;&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| Drive Motors&lt;br /&gt;
| &amp;lt;span style=&amp;quot;color: rgb(0, 0, 0); font-family: arial, sans, sans-serif; line-height: normal; white-space: pre-wrap;&amp;quot;&amp;gt;Scorpion HKIV-4020-860KV&amp;lt;/span&amp;gt;&amp;lt;br/&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| Drive Motor Controllers&lt;br /&gt;
| iFlight SucceX X80A&lt;br /&gt;
|-&lt;br /&gt;
| Receiver&lt;br /&gt;
| &amp;lt;span style=&amp;quot;line-height: 20.7999992370605px;&amp;quot;&amp;gt;FS-A8S&amp;lt;/span&amp;gt;&amp;lt;br/&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| Remote Control&lt;br /&gt;
| &amp;lt;span style=&amp;quot;line-height: 20.7999992370605px;&amp;quot;&amp;gt;FS-i6X&amp;lt;/span&amp;gt;&amp;lt;br/&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| Battery&lt;br /&gt;
| 2x Turnigy Graphene Panther 1200mAh 6S 75C Battery Pack w/XT60&lt;br /&gt;
|-&lt;br /&gt;
| (OTHER:)&lt;br /&gt;
| &amp;lt;br/&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=== Mechanical ===&lt;br /&gt;
===== Overall Design and Construction =====&lt;br /&gt;
The robot is comprised of an aluminum ring  with aluminum top and bottom plates bolted on. All interior components (electronics, drive assembly) are sandwiched between the two rings. &lt;br /&gt;
&lt;br /&gt;
One priority in the design is increasing the moment of inertia as much as possible by moving heavier components outwards. The main structure of the robot is the aluminum ring, which is CNC machined out of a single piece. This CNC machined part was ordered from Xometry due to obstacles in HAAS training and shop access due to the COVID-19 pandemic. After receiving the ring, it was tapped to accept screws which hold the top and bottom plates as well as the impactor tooth.&lt;br /&gt;
The top and bottom plates were machined on the waterjet cutter and sanded to fit the grooves in the ring, as well as the motor and wheel mounts.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Another priority is keeping the center of mass centered at the midpoint of the wheels. If it were not, the kinematic center of rotation would be far from the dynamic center of rotation, resulting in drift and preventing the accelerometers from accurately measuring the centripetal acceleration. Thus care is taken in the placement of interior and exterior components to balance the robot.&lt;br /&gt;
&lt;br /&gt;
We selected a 1-tooth design as the 1 tooth can cancel the weight of the motors in the back.&lt;br /&gt;
&lt;br /&gt;
===== Drive =====&lt;br /&gt;
Describe structures/mechanisms here such as Drive, Ring, yada yada&lt;br /&gt;
&lt;br /&gt;
===== Mounting =====&lt;br /&gt;
&lt;br /&gt;
=== Electronics ===&lt;br /&gt;
&lt;br /&gt;
===== Overall Design =====&lt;br /&gt;
===== Control Board =====&lt;br /&gt;
===== IR Transmitter/Detector =====&lt;br /&gt;
===== LED Board =====&lt;br /&gt;
&lt;br /&gt;
=== Software ===&lt;br /&gt;
&lt;br /&gt;
===== Overall Design =====&lt;br /&gt;
===== Low-Level Systems =====&lt;br /&gt;
===== Controls and Data Logging =====&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
&amp;lt;ul style=&amp;quot;line-height: 20.7999992370605px;&amp;quot;&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt;[https://wiki.robojackets.org/Chonkii Chonkii]&amp;lt;/li&amp;gt;&lt;br /&gt;
&amp;lt;/ul&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Notes: ==&lt;br /&gt;
[[File:puck.jpg|200px|thumb|left|Rendition of us (hopefully) pucking up our opponents when we bounce back at them for the counterattack]]&lt;br /&gt;
&amp;lt;span style=&amp;quot;line-height: 20.7999992370605px&amp;quot;&amp;gt;Named after its resemblance to a hockey puck&amp;lt;/span&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;span style=&amp;quot;line-height: 20.7999992370605px&amp;quot;&amp;gt;Original Builders: Afshan Chandani, Varun Madabushi, Juan Elizondo, Hank Hellstrom, Darren Kosen, Nelson Jiang, Valentin Richter, Kevin Xiao, Sarkis Ter Maritorsyan, Keaton Sadoski, Alex Yu&lt;br /&gt;
&amp;lt;/span&amp;gt;&lt;br /&gt;
[[Category:BattleBots]]&lt;/div&gt;</summary>
		<author><name>Kxiao40</name></author>
		
	</entry>
	<entry>
		<id>https://wiki.robojackets.org/index.php?title=File:Puck.jpg&amp;diff=20080</id>
		<title>File:Puck.jpg</title>
		<link rel="alternate" type="text/html" href="https://wiki.robojackets.org/index.php?title=File:Puck.jpg&amp;diff=20080"/>
		<updated>2022-02-25T23:18:56Z</updated>

		<summary type="html">&lt;p&gt;Kxiao40: for the hocki page as a joke&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Summary ==&lt;br /&gt;
for the hocki page as a joke&lt;/div&gt;</summary>
		<author><name>Kxiao40</name></author>
		
	</entry>
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