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    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

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    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

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