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    SDS Tread 4 in. OD 1.5 in. Wide (MK4/4i)

    This is precut and drilled tread for the SDS MK4/4i Billet Wheel. 

     

    Specifications

     

    • Brand: SDS
    • Length: 11 in.
    • Material: Black Neoprene
    • Width: 1.5 in.
    # Pièce: am-5250
    $24.00
    Disponibilité: Rupture de stock - en rupture de stock et sera expédié une fois en stock.
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    2" Compliant Wheel, 1/2 inch Hex, 35 Durometer Green

    #am-3462_green
    $8.00
    (107 En stock)

    Compliant wheels are not intended for moving robots, but moving objects. Compliant wheels give way to allow rigid objects to be manipulated easily. A line of multiple wheels on a driven hex shaft creates a very effective roller that ignores variations in the objects being driven. This makes for high-performance intakes and internal conveyors. The wheels are sized for an interference fit and tend to stay in place on a shaft, though a shaft collar may be used to make absolutely sure the wheels stay clear of other mechanisms or maintain consistent spacing.

     

    The hex bore versions of this wheel are undersized, and are intended to be an interference fit on their respective hex shafts. This interference fit allows for effective torque transfer from the hex shaft to the wheel, as well as allowing the wheel to remain in place along the shaft without the need for spacers or collar clamps:

     

    Compliant Wheel Sizing

     

    Different durometer ratings give each wheel unique characteristics. Green wheels (35A durometer) are the softest and most compliant around objects, while orange (40A), maroon (45A), and blue (50A) wheels are increasingly firm. The increased firmness also allows the latter wheels to carry a higher RPM rating. Check out the downloads tab for a chart showing wheels and their maximum RPM. 

     

     

    Specifications

     

    • Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore
    • Diameter: 2 in.
    • Durometer: 35A (Green), ⠀40A (Orange), ⠀45A (Maroon), ⠀50A (Blue), 60A (Black)
    • Hole Pattern: Qty 2 3.5 mm Holes on a 16 mm Circle for 8 mm bore wheels
    • Material: TPU
    • Maximum RPM: 6000 - 9000
    • Weight: 0.035 lb.
    • Width: 0.5 in.

     

    Documents

    Layout Print(s)

    am-3571 2IN 375 Hex Compliant Wheel REV3.PDF

    am-3462 2IN 500Hex Compliant Wheel REV3.PDF

    am-3572 2IN 8mm Compliant Wheel REV4.PDF

    CAD File(s)

    am-3571 2IN 375Hex Compliant Wheel REV2.STEP

    am-3572 2IN 8mm Compliant Wheel REV2.STEP

    am-3462 2IN Molded 500Hex Compliant Wheel REV2.STEP

    Additional File(s)

    2 inch Compliant Wheel Expansion.pdf

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    2x2x10 mm Machine Key, steel

    #am-1121
    $1.08
    (En stock)

    Machine Key, steel. Used in 2.5" CIM Motor shafts. 

    Specifications:

    • Width: 2mm (0.078 inch)
    • Length: 10mm (0.394 inch)
    • Weight: 0.0008 pounds

    4" Stealth Wheel, 1/2" Hex Bore, 35A, Green, Durometer (am-2647_green)

    #am-2647_green
    $12.00
    (93 En stock)

    The inside black portion of this wheel is made from molded polycarbonate plastic. The outer tread is TPU (Thermoplastic PolyUrethane). This robust but lightweight wheel provides good traction on carpet and soft tiles. Stealth wheels are the perfect drive wheel for smaller (<50 lb.) robots, or for intakes and other auxiliary robot mechanisms. These wheels are available in a variety of bores and durometers. 4 in. Stealth Wheels feature a 6 bolt pattern on a 1.875 in. bolt circle for mounting sprockets, hubs, and gears. Nub Bore Stealth Wheels feature a 4 bolt pattern on a 16 mm bolt circle found in most FIRST Tech Challenge building systems. The lower the durometer the softer the wheel is, this makes it wear away faster, but also makes it more grippy.

    Product Usage:
    Many thread locking materials are not compatible with polycarbonate and can eat away at the plastic. Be sure to check which adhesives are okay to use with this product.

    Specifications

    • Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore, 5 mm Hex
    • Diameter: 2 in., 4 in.
    • Durometer: 35A (Green), ⠀40A (Orange), ⠀50A (Blue), ⠀60A (Black), ⠀80A (Gray)
    • Hole Pattern: Qty 4 3.5 mm Holes on a 16 mm Circle for 8 mm bore wheels
    • Material: TPU, Polycarbonate
    • Weight: 0.23lb, 0.1lb
    • Width: 1 in.

    Documents

    Layout Print(s)

    am-3664 2in 5mm Hex Stealth Wheel REV4.PDF

    am-3156 2IN 8mm Stealth Wheel REV3.PDF

    am-3436 2in 375Hex Stealth Wheel REV3.PDF

    am-3155 2in 500Hex Stealth Wheel REV3.PDF

    am-3665 4in 5mm Hex Stealth Wheel REV3.PDF

    am-2648 4IN 8mm Stealth Wheel REV5.PDF

    am-3435 4in 375Hex Stealth Wheel REV3.PDF

    am-2647 4in 500Hex Stealth Wheel REV3.PDF

    CAD File(s)

    am-3664 2in 5mm Hex Bore Stealth Wheel REV3.STEP

    am-3156 2IN 8mm Stealth Wheel.STEP

    am-3436 2IN 375Hex Stealth Wheel REV2.STEP

    am-3155 2IN 500Hex Stealth Wheel REV2.STEP

    am-3665 4IN 5mm Hex Stealth Wheel REV2.STEP

    am-2647 4inWheel 500 Hex REV2.STEP

    am-3435 4in Wheel Integrated Hub 375 HEX with Tread REV2.STEP

    am-2648 4inWheel 8mm Hub REV2.STEP

    12 gauge red black bonded wire, 25ft length

    #am-0904
    $45.00
    (En stock)

    This is 12 GA bonded wire* with Red and Black Jacketing. It is much easier to use than two separate wires, easier to follow during troubleshooting, and easier to keep your wiring clean. Pull apart at the end only as much as you need and the rest stays together.

     

    If you are looking for a much more flexible wire or wire that is not bonded check out our Silicone Wire
     

    * - This is also known as zip cord or zip wire.

     

    Specifications

    • Gauge: 12 AWG
    • Length: 25 feet
    • Total Weight: 1.2 lbs
    • Weight: 0.05 lbs/ft
    • Wire Jacketing: black & red (bonded together)

    CRESCENDO Note

    #am-4999
    $26.00
    (18 En stock)

    NOTE: Due to limited inventory there is a maximum order quantity of 6 Notes per Team.

     

    FOR SALE TO CANADIAN TEAMS ONLY

     

    This is the game piece for the 2024 FIRST® Robotics Competition CRESCENDO℠ presented by Haas. It has a 14 in. OD and a 10 in. ID and is rather squishy / flexible. 

    There are 113 total Notes on a field, 6 of which are “High Notes” that have white Gaff Tape (not included) applied as specified in the Game Manual. 

    The breakdown is:

     

    • 45 in Red Player Station
    • 45 in Blue Player Station
    • 3 for pre-load in Red Robots
    • 3 for pre-load in Blue Robots
    • 5 in Center Field
    • 3 in Red Alliance Starting Zone
    • 3 in Blue Alliance Starting Zone
    • 6 High Notes for Human Players 

     

    For optimal shipping efficiency please know that Notes ship from the manufacturer in boxes of 24 (but can be ordered in any quantity). 

     

    Specifications

    • Inside Diameter: 10 in.
    • Material: Coated Foam
    • Outside Diameter: 14 in.
    • Thickness: 2 in.
    • Weight: 8.3 Oz +/- 1 Oz

    CAN Bus Wire 25ft

    #am-3071a
    $19.00
    (18 En stock)

    This is a 25 foot section of a twisted pair of 22 AWG wire.

     

    Specifications

    • Gauge: 22 AWG
    • Length: 25 feet