Instructables
Picture of Kayak Step Cart
An alternative to the DIY PVC cart - easy to make, doubles as a step for loading / unloading and folds for convenient transportation / storage.  It doesn't get much easier than this.
 
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Step 1: Folding Step Stool

Picture of Folding Step Stool
Needing a kayak cart, I was looking for alternatives to measuring / cutting / gluing (cursing*&$#! / re-measuring / re-cutting / re-gluing) a PVC cart.  In the process, I came across this folding step stool.  (ranging in price from $10 - $15 online or local store)

Step 2: Axle

Picture of Axle
Cut a 3/8" threaded rod to 17" in length - grab a few nuts and washers along with a couple of 8" wheels.

Step 3: Drill

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Drill out the center of the hinge with a 3/8" bit.

Step 4: Insert Axle

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Slide the threaded rod through the hinge and center it.

Step 5: Lock In Axle

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A washer on either side of the step, double nut to lock in place (it also gives proper spacing/clearance for the wheels).

Step 6: Add Wheels

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A washer on either side of the wheel and another double nut set on the outside (end cap optional).

Step 7: Ready to Roll

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Done - ready for use as a step to help load and unload.

Step 8: Fold

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Collapses for convenient transportation and storage.

Step 9: Flipped to Position

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Flipped into position.

Step 10: Add Padding

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Your basic foam noodle padding - slits cut to slip over stool feet / edges. (foam held in place with Velcro cable ties found in any office supply store)

Step 11: Good to Go

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demini26 days ago
This was super easy. 15 minutes at most for building 2 of them. Would have been faster if we hadn't stopped to admire our work and grab more beers.
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bazy802 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need.

My mai: bazy@ywshunlai.com

Dryboater5 months ago
Thank you for a great and easy alternative to $150 boat carts
bazy80 Dryboater2 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need.

My mai: bazy@ywshunlai.com

Jobar0071 year ago
That's a pretty good idea. I like it a lot. The only thing that I would change would be to swap out the threaded rod with a solid rod that I tapped the ends on for the bolts. It would eliminate the need for a second set of nuts to lock the first and be much stronger.

By the way, what is the load rating on the stool that you purchased?
3D-NM8OR (author)  Jobar0071 year ago
The step I found at Kmart looks to be identical to the one found on Amazon (Kikkerland Rhino Easy Fold Step Stool). Rated up to 300 lbs.
bazy80 3D-NM8OR2 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need.

My mai: bazy@ywshunlai.com

bazy80 Jobar0072 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need.

My mai: bazy@ywshunlai.com

foobear1 year ago
Very cool
bazy80 foobear2 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need.

My mai: bazy@ywshunlai.com

I'm going to use this idea. Me and my boys are going to build a canoe this summer. I'll use this for that thank you

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need

bazy80 bazy802 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need.

My mai: bazy@ywshunlai.com

rham2431 year ago
Thanks so much! Built one this weekend and it works great. Found the stool and a pair of 7" wheels at Kmart, got all the hardware at Lowes. Cost all together around $25 to complete.
bazy80 rham2432 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need

dkrall10 months ago
wow, great idea. so simple. I'm going to use some old lawn mower wheels I have laying around. all I have to buy is a stool.
bazy80 dkrall2 months ago

Hello, I have a factory in China to product this stool,we can supplier to you with good m,many colors you need

3039983203.jpg
great idea and simple... you got my vote