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    Thriftybot

    The Thrifty Bot exists to provide lower cost, commonly used parts to FIRST Robotics teams. Our goal is to help address the sustainability issues of competition robotics by providing affordable parts to teams.

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    10 Feet - Red 4 AWG Flexible Silicone Jacketed Wire

    #TTB-0076
    $45.00 $41.67
    ( 2 In stock)

    This red 4 AWG wire is silicone jacketed, making it incredibly flexible and a great choice for your FRC robot's main breaker or batteries.

     

    Comes in spools of 10 feet each. This wire consists of .08mm tinned copper with a strand count of 5000.

    10 Feet - Black 4 AWG Flexible Silicone Jacketed Wire

    #TTB-0077
    $45.00 $41.67
    ( 1 In stock)

    This black 4 AWG wire is silicone jacketed, making it incredibly flexible and a great choice for your FRC robot's batteries.

     

    Comes in spools of 10 feet each. This wire consists of .08mm tinned copper with a strand count of 5000.

    1/8" Dyneema Rope - 25 FT

    #TTB-0056
    $16.00
    ( 0 In stock)

    Aluminum Round Groove Pulley

    #ELEV-PULLEY-002
    $9.95
    ( 33 In stock)

    This is the same pulley used on the Thrifty Elevator Dyneema Pulley Kit. Works great with 1/8" dyneema rope and has a 1/4" ID bearing in the center allowing teams to use a bolt to easily mount it and have it spin freely.

     

    1.15" OD with a .365" groove will let this pulley work with other rope options as well.

    Thrifty Dead Axle Tube Roller Kit

    #TTB-0098
    $57.96 $55.55
    ( 5 In stock)

    This new kit from Thriftybot allows you to drive 1.125" ID tubing in a number of ways. Using the Thrifty Metahub, plug into tubes and use your bearing bore of choice.

     

    Kit includes all of the following - 

     

    - QTY 2 Aluminum Thrifty Metahubs - 24 Tooth HTD pulley that support the following configurations -

    QTY 2 - 1" OD needle roller bearings for 3/4" OD tubes

    QTY 2 - 1/2" hex bearings for hex shafts

    QTY 2 - 3/8" ID bearings and a custom hex spacer. Run a 1/4-20 bolt thru your external material and then slip the roller tube in to connect the two hubs together.

     

    Note that this kit provides enough parts to create a full roller with aluminum hubs on each end.

     

    Thriftybot suggests this polycarbonate tubing from McMaster-Carr.

     

    Aluminum Metahub Weight: .15 lbs

    QTY 10 FT - Black Polyurethane Flat Belt

    #TTB-0090
    $46.90
    ( 0 In stock)

    QTY 4 Crowned Roller Pulleys

    #TTB-0096
    $23.17 $22.21

    These crowned roller pulleys are designed to fit over 1.25" OD tubing. They are made from 70A durometer TPE and are great for keeping flat urethane belting centered on your tubes or for simply intaking game pieces using the rollers themselves.

    Holes are included for 5/32 rivets that can be used for retention on tubes. Rivets nest nicely within the TPE material, leaving the rivet head slightly below the rest of the roller material.

    2.875" in length, 1.6" OD at center

    Hex Output Adapter = 1/2" Hex Shaft

    #TTB-0103
    $14.00
    ( 20 In stock)

    Utilize any length of 1/2" hex shaft with this aluminum hex output adapter.

     

    Designed to mount to existing FRC gearboxes and motors like the REV Ultraplanetary & NEO550 motor's back bolt pattern.

     

    Includes a counterbore for a #10 button head or smaller in the center of the part.

    12V Individually Addressable LEDs

    #TTB-0109
    $67.50
    ( 1 In stock)

    Illuminate your robot with our 12V Individually Addressable LEDs. Chain them together to create cool lighting effects all over the robot! See user guide linked here and embedded below.

     

    Specifications:

     

    • Beam Angle: 120º
    • IP Rating: IP30
    • Input Voltage: 12VDC
    • LED Quantity: 60 per meter
    • Length: 16.4 feet
    • Life Expectancy: 50, 000 hours
    • Power: 21.6 W/M
    • Width: 10mm

    3" Swerve Aluminum Billet Wheel

    #TTB-0063
    $37.00
    ( 0 In stock)

    These aluminum billet wheels are the perfect replacement for plastic molded wheels used on other COTS swerve modules like the REV MAXSwerve.

     

    Features include:

     

    • Utilizes 1" Wide Tread giving you the maximum contact patch possible with the floor. Testing has shown good tread wear under multiple hours of driving.
    • Includes eight #10-32 1/2" long button head bolts to attach tread quickly and easily. We recommend 3D printing this Tread Template tool to help cut tread to size and with drilling holes
    • Eliminates need for adapter plate reducing part count overall.

     

    Billet wheel weight: .25 lbs

     

    Treading and Installing 3 Inch Swerve Wheel

     

    https://youtu.be/3So7tSug-wM

     

     

    Thrifty Swerve - Kraken - Kraken

    #TTB-SWERVE-KRAKEN-KRAKEN
    $425.00
    ( 16 In stock)

     

     

    Thrifty Swerve is an omni-directional swerve module designed for FRC.  It works with motors either inverted or non-inverted and has a number of advantages for teams. Battle tested by teams 1706 and 1684 during the entire 2024 season, this module strives to provide teams an affordable, flexible and robust option that will serve you well on the playing field.

     

    Features include:

     

    • All steel gear speed reduction for azimuth and drive - no belts

    • 6 gear ratio options included - swappable without module disassembly

    • Thrifty Absolute Magnetic Encoder included

    • Extra 10-32 threaded mounting holes on the main and top plates

    • Base plate made from 7075 Aluminum

    • Inverted motors located fully above the bottom frame rail protecting them
    • No 3D printed parts

    • Symmetrical design allows for azimuth placement on either side

    Thrifty Swerve -Kraken Drive / 8mm Keyed Rotation

    #TTB-SWERVE-KRAKEN-DRIVE-8MM-ROTATION
    $425.00
    ( 4 In stock)

     

    Thrifty Swerve is an omni-directional swerve module designed for FRC.  It works with motors either inverted or non-inverted and has a number of advantages for teams. Battle tested by teams 1706 and 1684 during the entire 2024 season, this module strives to provide teams an affordable, flexible and robust option that will serve you well on the playing field.

     

    Features include:

     

    • All steel gear speed reduction for azimuth and drive - no belts

    • 6 gear ratio options included - swappable without module disassembly

    • Thrifty Absolute Magnetic Encoder included

    • Extra 10-32 threaded mounting holes on the main and top plates

    • Base plate made from 7075 Aluminum

    • Inverted motors located fully above the bottom frame rail protecting them
    • No 3D printed parts

    • Symmetrical design allows for azimuth placement on either side

    Thrifty Swerve - 8mm Keyed Drive / 8mm Keyed Rotation

    # TTB-SWERVE-8MM-8MM
    $425.00
    ( 12 In stock)

     

    Thrifty Swerve is an omni-directional swerve module designed for FRC.  It works with motors either inverted or non-inverted and has a number of advantages for teams. Battle tested by teams 1706 and 1684 during the entire 2024 season, this module strives to provide teams an affordable, flexible and robust option that will serve you well on the playing field.

     

    Features include:

     

    • All steel gear speed reduction for azimuth and drive - no belts

    • 6 gear ratio options included - swappable without module disassembly

    • Thrifty Absolute Magnetic Encoder included

    • Extra 10-32 threaded mounting holes on the main and top plates

    • Base plate made from 7075 Aluminum

    • Inverted motors located fully above the bottom frame rail protecting them
    • No 3D printed parts

    • Symmetrical design allows for azimuth placement on either side

    11 Tooth HTD Kraken Spline Motor Output Pulley

    #TTB-0125
    $17.85
    ( 16 In stock)

    These aluminum 5M HTD Pulleys work great for creating belt reductions directly off the motor. Use a 15mm wide belt or two 9mm wide belts as the inside pulley teeth are 18.5mm wide. Choose either Kraken SplineXS bore, 8mm keyed bore, or Falcon spline bore depending on the motor type you're using.

    24 Tooth HTD Pulley 1/2" Hex Bore

    #TTB-0126
    $17.85
    ( 70 In stock)

    This 5M HTD aluminum pulley will allow teams to create belt reductions and drive mechanisms with a common 1/2" hex interface. We focused on robustness and tested them thoroughly during the 2024 season to ensure the flanges do not pop off during use.

     

    - 18.5mm wide teeth allows for two 9mm belts or one 15mm wide belt

     

    - Includes a small bump out to offset away from bearings.

    48 Tooth HTD Pulley - Bearing / Hub Bore

    #TTB-0128
    $34.30
    ( 0 In stock)

    This 48 tooth 5M HTD aluminum pulley will allow teams to create belt reductions and drive mechanisms using a hub interface or on a shaft. We focused on robustness and tested them thoroughly during the 2024 season to ensure the flanges do not pop off during use.

     

    - 1.126" bore allows for teams to insert a hub, a bearing or a bushing depending on their application. This pulley gives you maximum flexibility for your mechanism designs.

     

    - 18.5mm wide teeth allows for two 9mm belts or one 15mm wide belt

     

    - Includes both 1.875" and 2" bolt circles to work either both standards.