Close
Main Categories
    Filters
    Preferences
    Search

    Telescoping Tube Kit - for 2" x 2", 1.5" x 1.5", 1" 1/16th extrusion

    Base Stage Kit + Add 2nd Stage Kit - Designed for 1.5" box to 1" box tubing

     

    Elevate your robot to new heights with the Thrifty Telescoping Tube System Kit. This kit includes all the hardware to attach to stock 1/16" thick 2" x 2", 1.5" x 1.5" & 1" x 1" box extrusions and allows them to passively extend with the assistance of constant force springs.

    MFR Part #: TTB-TUBE
    $250.02
    Availability: 4 in stock

    Features:

    • Kit includes 39" long constant force springs that provide teams design flexibility. Customize the length of your tube stages for maximum extension if the game challenge requires it.
    • Ability to run lift cable internally through the center of the tube stages
    • Tubes are supported by bearings on all 4 faces in each stage
    • Lightweight kit means your climber is lighter - the climber in the video shown below weighed roughly 4 pounds.
    • This kit can easily be assembled with a power drill and hand tools.
    • You can find 1/16" wall aluminum at McMaster-Carr or Online Metals -

     

    Included in the Base Stage Kit:

    Part Name Quantity
    2.75" 8-32 Alloy Steel Socket Cap Screw 2
    10-32 Button Head Screw 3/8" Long 2
    8-32 18-8 Stainless Steel Thin Nylock 2
    1/4-20 18-8 Stainless Steel Thin Nylock 4
    2.75" 1/4-20 Alloy Steel Button Head Screw 4
    1/4" Diameter x 1 3/8" Steel Dowel 2
    1/2" OD x 1/4" ID x .188" WD Bearings 8
    2x2 Aluminum Plate 2
    2X2 Stage Internal End Block 1
    5.94 lbs pull Constant Force Spring 39" Long 2
    CF Spring Roller 2
    CF Spring Spacer Retainer - 2" Stage 4
    1.122" Spacer 2
    1/4" Spacer 4
    3/16 Rivets 4

    Included in the 2nd Stage Kit:

    Part Name Quantity
    2.25" 8-32 Alloy Steel Socket Head Screw 2
    8-32 Button Head Screw 5/16" Long 2
    2.25" 1/4-20 Alloy Steel Button Head Screw 4
    8-32 18-8 Stainless Steel Thin Nylock 2
    1/4-20 18-8 Stainless Steel Thin Nylock 4
    3/16 Rivets 4
    1/4" Diameter x 1" Steel Dowel 2
    1/2" OD x 1/4" ID x .188" WD Bearings 8
    5.94 lbs pull Constant Force Spring 39" Long 2
    CF Spring Roller 2
    1.5x1.5 Aluminum Plate 2
    1.5X1.5 Stage Internal Block 1
    CF Spring Retainer - 1.5" Stage 4
    .75" Spacer 2
    .188" Spacer 4

    Included with each order:

    Part Name Quantity
    Dyneema Cable - 1/8" Thick - 25 ft 1

     

    STEP file of both assembly stages here

    Assembly guide PDF located here

    Stage 1 Kit Weight without 1/16" Tube: 0.75 lbs

    Stage 2 Kit Weight without 1/16" Tube: 0.60 lbs

    Write your own review
    • Product can be reviewed only after purchasing it
    • Only registered users can write reviews
    • Bad
    • Excellent

    Features:

    • Kit includes 39" long constant force springs that provide teams design flexibility. Customize the length of your tube stages for maximum extension if the game challenge requires it.
    • Ability to run lift cable internally through the center of the tube stages
    • Tubes are supported by bearings on all 4 faces in each stage
    • Lightweight kit means your climber is lighter - the climber in the video shown below weighed roughly 4 pounds.
    • This kit can easily be assembled with a power drill and hand tools.
    • You can find 1/16" wall aluminum at McMaster-Carr or Online Metals -

     

    Included in the Base Stage Kit:

    Part Name Quantity
    2.75" 8-32 Alloy Steel Socket Cap Screw 2
    10-32 Button Head Screw 3/8" Long 2
    8-32 18-8 Stainless Steel Thin Nylock 2
    1/4-20 18-8 Stainless Steel Thin Nylock 4
    2.75" 1/4-20 Alloy Steel Button Head Screw 4
    1/4" Diameter x 1 3/8" Steel Dowel 2
    1/2" OD x 1/4" ID x .188" WD Bearings 8
    2x2 Aluminum Plate 2
    2X2 Stage Internal End Block 1
    5.94 lbs pull Constant Force Spring 39" Long 2
    CF Spring Roller 2
    CF Spring Spacer Retainer - 2" Stage 4
    1.122" Spacer 2
    1/4" Spacer 4
    3/16 Rivets 4

    Included in the 2nd Stage Kit:

    Part Name Quantity
    2.25" 8-32 Alloy Steel Socket Head Screw 2
    8-32 Button Head Screw 5/16" Long 2
    2.25" 1/4-20 Alloy Steel Button Head Screw 4
    8-32 18-8 Stainless Steel Thin Nylock 2
    1/4-20 18-8 Stainless Steel Thin Nylock 4
    3/16 Rivets 4
    1/4" Diameter x 1" Steel Dowel 2
    1/2" OD x 1/4" ID x .188" WD Bearings 8
    5.94 lbs pull Constant Force Spring 39" Long 2
    CF Spring Roller 2
    1.5x1.5 Aluminum Plate 2
    1.5X1.5 Stage Internal Block 1
    CF Spring Retainer - 1.5" Stage 4
    .75" Spacer 2
    .188" Spacer 4

    Included with each order:

    Part Name Quantity
    Dyneema Cable - 1/8" Thick - 25 ft 1

     

    STEP file of both assembly stages here

    Assembly guide PDF located here

    Stage 1 Kit Weight without 1/16" Tube: 0.75 lbs

    Stage 2 Kit Weight without 1/16" Tube: 0.60 lbs

    Customers who bought this item also bought

    Aluminum 1/2 Inch Hex Bore Split Clamping Collar - QTY 5

    #TTB-0002
    $27.78
    (11 In stock)

    Tired of hex clamp collars that cost an arm and a leg? Tired of stripping out the set screw on your clamp collar? Need to add a collar in an assembly and don't want to remove everything from your hex shaft?

    Me too! I've ran into all of the above scenarios multiple times building multiple robots. These collars are the holy grail -

    • split so they can easily be added or removed
    • lightweight 6061 aluminum
    • .5 oz (.031 lbs) for one hex collar
    • uses two 8-32 socket head cap screws that require a 9/64" allen wrench
    • $4.00 per collar, sold in 5 packs
    • anodized black for awesomeness

     

    General Dimensions:

     

    Split Collar Clamp 1/2 in. Hex HD

    #am-1526
    $5.50
    (186 In stock)

    This new custom designed collar clamp has been designed specifically with FIRST Robotics Competition teams in mind. This product is Out of Stock until Mid March

    Thrifty Clamping Bearing Block

    #TTB-0031
    $33.32
    (5 In stock)

    The Thrifty Clamping Bearing Block provides teams a quick and easy way to capture 1.125" OD flanged bearings when mounting to 2" x 1" or 1" x 1" box extrusion. Simply drill a pass thru clearance hole and insert the bearing which is then trapped against the extrusion wall's material.

     

    Features include -

     

    • Clamps around 2" x 1" or 1" x 1" extrusions
    • Two counterbored 10-32 holes 2" apart allow for mounting of planetary gearboxes or 2" bolt circle motors
    • #8 holes on a 1.875" diameter bolt circle allow for usability in existing FRC applications
    • 6061 Aluminum material anodized black

     

    Kit includes:

     

    - Two black anodized plates

    - Four 10-32 1.5" long button head bolts

    - Two 10-32 0.50" long bolts

     

    Bearings are NOT included with this kit

    Thrifty Motor Megaplate - QTY 2

    #TTB-0035
    $20.82
    (11 In stock)

    Mount all the things with this latest offering from The Thrifty Bot! Finally a plate that can interface with just about any common motor or planetary gearbox in the FIRST Robotics Competition. This 4mm thick 6061 aluminum black anodized plate includes bolt mounting patterns for the following motors and planetary gearboxes:

     

    - REV Ultraplanetary Gearbox

    - REV NEO 550 & Banebots 550 Brushed motors

    - VEX Versaplanetary and Versaplanetary Lite gearboxes

    - AndyMark 57 Sport planetary gearboxes

    - 775 series brushed motors

    - REV NEO & Falcon 500 brushless motors

    - Traditional Mini-CIM & CIM motors

     

    - 4mm thick (.157") allows for stronger cantilevered applications

    - 1/4" hole to hole spacing, 1/2" spacing between hole rows. Holes are .164" natively supporting #8 bolts or 5/32 rivets. Holes can be drilled out to support #10 hardware.

    1 plate weight: .079 lbs

     

    STEP CAD file available

    Layout Drawing available

    Aluminum T Gussets - QTY 8

    #TTB-0012
    $27.77
    (30 In stock)

    This 8 pack of 2.5mm thick T gussets can be used to assemble frames or other mechanisms commonly used in competitive robotics.

     

    • 3.50 in. x 3.25 in. with 1 inch wide ends
    • .163" holes spaced 1/2 an inch apart, perfect for 5/32 rivets
    • 2.5mm (0.098 in.) thick, made from 6061-T6 aluminum
    • .055 lbs per L gusset
    • Sold in 8 packs

     

    CAD model available

    Thrifty Clamping Bushing Block

    #TTB-0030
    $20.82
    (10 In stock)

    The Thrifty Clamping Bushing Block provides teams a quick and easy way to capture Thrifty Bushings when mounting to 1" x 1" extrusion. Simply drill a pass thru clearance hole and insert the Thrifty Bushing which is then trapped against the extrusion wall's material.

     

    • Kit includes:

    - Two black anodized plates

    - Four 8-32 1.5" long bolts

    - Two Thrifty Bushings

     

    STEP CAD Model Available

     

    6061 aluminum anodized black

     

    Weights:

    - One clamping plate: 0.018 lbs (.293 oz)

    - Full assembly with 2 thrifty bushings and 4 bolts: 0.072 lbs (1.145 oz)