Archbishop Spalding High School
8080 New Cut Road
Severn, Maryland 21144

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T-Shirt Cannon

Nickname: Beef Bot

For two years now, our team’s T-shirt cannon has been a symbol of fame and school spirit for Archbishop Spalding. What started out as an off-season, for-fun pet project has turned into the de-facto representation of our team at our school. Over time, it has evolved and grown with our team, starting from a jumbled mess of cables barely held together by its case to the refined, colorful, flashy design that we see today at almost every school event. With a mecanum drive train, twin batteries, brand-new pneumatics system and a lighting scheme better than any concert on Earth, it’s absolutely stunning what it has morphed into.


We use this cannon to bring joy and excitement to our school and also as a recruiting tool to show off our team and invite prospective new members to join.


FIRST Destination Deep Space (2019)

Nickname: Geoff

Geoff is the Cavineer's most recent robot. Geoff (gee-off), is designed with a grabber made of shape-optimized polycarbonate and holds both cargo and hatches with a pneumatic claw so that the robot performs exceptionally well without losing any style points. Geoff has a West Coast drivetrain, with a drop-center and Omni wheels in the back to assist with pivoting. Shifting gearboxes allow Geoff to play a mean defense. The elevator is a step-up from its sibling, Fahrenheit, allowing for the grabber to flip back and forth through the middle. Geoff's elevator is also capable of lifting both hatches and cargo to all levels of the rocket. Winning Chairman's and playing in the finals at the Oxon Hill district event, Geoff was a force to be reckoned with. Geoff won the Chesapeake District Championship and made it to the semi-finals of the Daly field at the World Championships.

FIRST Power Up (2018)

Nickname: Fahrenheit


Fahrenheit, the Cavineers’ first award-winning robot, is the pride and joy of the team. Thanks to its cascading elevator, coded with cascading PIDs; carbon fiber grabber; West Coast drivetrain, complete with shifting gearboxes; and the last minute addition of a climber, this robot brought us our best season yet. With a robust design, combined with its 10 different autonomous paths to choose from, we were not only chosen for an alliance at the World Championships, but also won the Archimedes sub-division in Detroit, Michigan.

Click below to watch Fahrenheit at competition!

FIRST Steamworks (2017)

Nickname: Bruce


With its legendary 2.1 second climber, Cheesecake; robust design; and colorful LEDs, Bruce really had it all. Our robot was specifically a gear robot and used an active gear placement that never failed to place the gear on its peg. Our climber, although it screamed like a banshee, was so fast that we were able to continue placing gears all the way until the last seconds of the match, making us a great addition to any team. Our rope and climber each had different sides of velcro to allow for a strong grip on the rope and contributed to our rapid climb.

FIRST Stronghold (2016)

Nickname: Finnegan


Finnegan, the name of the dragon which appears on our robot and pit, has wholeheartedly been chosen as the front-runner for Team 4541. Finnegan's strategy was to traverse category A, B, and D defenses as well as shooting for both the high and low goals. Finnegan utilizes a dual motor intake and shooting system.

FIRST Recycle Rush (2015)

Nickname: King Charles


Recycle Rush was the 2015 challenge! Watch the video for the challenge details. The objective was to gather and stack recycling bins and place them in stacks and then place a trashcan on top of the stacks.

During this season, our team traveled to St. Louis and competed in the FIRST World Championships!

FIRST Aerial Assist (2014)

Nickname: Kevin

Aerial Assist was the 2014 challenge! Watch the video for the challenge details. The objective was to pass 2ft diameter yoga balls between robots and then launch them into wall goals. Kevin had two main components to pick up pass or shoot the large ball.  The Intake mechanism was a direct motor mount to axle system that allowed a lot of torque to pick up the ball from the ground.  This loaded the ball into a aluminum loop that is connected to a 12" bore pneumatic.

FIRST Ultimate Ascent (2013)

Nickname: Horton


Ultimate Ascent was the 2013 challenge! Watch the video for the challenge details. The objective was to throw Frisbees into wall goals. The game ends with a pyramid climb challenge. Horton used a single active arm to lift its 110lb frame up the pyramid. It had two passive hooks to rest to the robot on a rung as a winch and spring system extended the nearly 3 foot arm out.