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Half-Pipe (Kid's Active Wheelchair)

Photo Apr 22 2026, 10 10 30 AM.jpg

Half-Pipe is my first DIY active wheelchair for children. It is based on my adult sized designs. Half-Pipe is intended for active children with full upper body function and control. It has minimal postural support. As with all DIY builds, it can be customized as needed. 

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Half-Pipe is a trike wheelchair with a central anti-tipping wheel in the rear. Therefore, it is both stable forward and backwards. The caster wheel size is 3" which performs best on smooth and hard surfaces.

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Insurnace companies typically pay for a new wheelchair every five years even for rapidily developing children. Therefore, at any given time most wheelchair using children are using a wheelchair that doesn't fit their current size and stage of development. Many times, their wheelchairs are configured to in a manner that makes it easier for their parents to push them at the expensive of their independent mobility.

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By having a second DIY wheelchair, the child can experience a highly mobile wheelchair use while in and around the home, while also having a traditional wheelchair for family outings. Half-Pipe can also be used in water parks and places where it is inadvisable to use the child's primary wheelchair due to the possibily of damage or corrosion.

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Half-Pipe Fabrication Photos

Half-Pipe Stock List

Frame​

 

Fasteners

  • A small box of 3/4" wood screws.

  • (4) 3.5" x 5/16" bolts, nuts, washers. (camber tube)

  • (2) 3.5" x 1/4" bolts, nuts washers. (front support)

  • (6) 1" plastic Saddle Washers

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Aftermarket Wheelchair Parts

  • (2) 3" stem caster forks and wheels.

  • (2) Axle receivers

  • (2) Quick release axles.

  • (2) 18" wheelchair wheels.
     

Padding

  • Foam padding for the backrest.

  • Cloth for for backrest cover.

  • Seat cushion.

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Frame Component Dimensions

(1) Back Panel - 10.5" x 9.5" x 1/4"

(2) Backrest Supports - 1" x 12"

(2) Lower Chasis - 1" x 12"
(2) Connectors - 1" x 1.5"

(2) Upper Chasis (Front) - 1" x 3"

(2) Upper Chasis (Rear) - 1" x 6"

(1) Seatpan - 10" x 7" x 1/4"

(2) Camber Tube - 12" x 4" x 1"

(2) Front Leg Supports - 1" x 12"

(2) Front Caster Supports - 1" x 7"

(1) Seat Cross Brace - 1" x 7"

(1) Footrest Plate - 10" x 4" x 1/4"

(2) Sideguards - 9" x 7" x 1/4" (shaped)

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© 2026 Open-Source Wheelchairs

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