A simple kayak trolley, made in PVC tubing. Easily to disassembly for transportation.
It is lightweight and fits perfectly an Ocean Kayak Malibu II sit-on-top kayak. If you have a different kayak, only need to adjust the distance between holes in the frame to make it fit.

Enjoy it ;-)

Step 1: Materials

Two wheels (recycled from an old lawn mower)
PVC pipes: 75 and 37 mm of diameter, about 1 meter of each one
2 screws with nut (M8x110mm) used as wheel axle
2 screws with nut (M6x80mm) to join the PVC pipes in a frame

Total cost of project: near 0 (just some cents to buy the screws)
<p>very good!!<br><br>just whacked one up by eye as i'm too lazy to find my measuring tape.<br>if anyone else is feeling lazy, the part i failed with is not getting the bolts 90 degrees to each other on the wheel rods.<br><br>now my trolley has crazy &quot;toe-in&quot;-<br><br>i used:-<br>1 piece of metal bar chopped in half<br>1 plastic drain pipe<br>some old coathanger wire (ran out of bolts so tied wire through the holes)<br>2 bolts<br>4 washers<br>munted bbq trolley wheels<br>cost: $0<br><br>now my setup is LEGENDARY!!!</p>
I have had a few problems with making this trolley. First, the scupper holes in my kayak would only accept a 20mm pipe, so I risked the $4 on a couple of pieces, but it isn't strong enough to support the weight without bending. I will be checking an aluminium pipe supplier and see if I can find a stronger substitute.
With only 20mm maybe you have to use aluminium or reinforce the PVC pipes internally with a stainless steel bar or similar... My pipes are 37mm and they bend slightly so 20mm definitively is not enough for this project.
Yes, I discovered that. I picked up some aluminium pipe today, but haven't had time to drill the holes in it. I was surprisingly cheap (AUD$8.85 for 1m). The OD is around 32mm, slightly wider than the approx 30mm OD of so called 20mm PVC.
Good news everyone! I tested the aluminium tubing at the dam last weekend and they were perfect, so for only a slight weight increase, and a few more dollars I have a working trolley. I used plastic wheels from a second hand golf buggy/trolley. Total cost around AUD$28 including the PVC that was replaced.
<p>Hi, My scupper holes are 3/4&quot; in diameter. So, I need to use a 1/2&quot; aluminum tube for the supports. What hardware can I use to it the wheel to this tube without compromising the strength of the tube ?</p><p>Thanks</p><p>'</p>
<p>3/4&quot; is 19mm, which is quite narrow. I wouldn't go as small as 1/2&quot; (12.7mm). I would seriously doubt the aluminium would be strong enough at that diameter unless is was solid rod rather than tubing, but the tubing would be cheap enough that it might be worth experimenting. maybe even adding a smaller diameter that fits snugly into the larger for added strength.</p>
<p>Right. That's my concern. The scupper holes are 3/4&quot;. The 3/4&quot; tube Just fits, so I'm concerned that if I use that width rod, it will be too hard to get the posts up through the scupper holes. That's why I'm looking at the 1/2&quot;. It's a pretty strong rod, I think it will hold, I'm just not sure what size hardware to purchase to attach the rod to the wheels.</p>
<p>I really have no idea what to tell you about the hardware. </p>
<p>This looks great. I love how if folds down so compactly. My question is: is this difficult to position under the kayak ? I love the easy of this design, but I worry that it will be difficult to get the posts into the scupper holes. If anyone has made this and can comment, I'd appreciate it. </p>
It is VERY easy to position under kayak, even if you are alone.<br>You can also put the kayak over a side (rotate 90&ordm;), position the trolley and stand it up again.<br>
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This is great! I will make something similar for my kayak.
i love this idea. I figure if I put caps on the 37mm bits and drill my <br>axle holes thru them, it will reinforce them enuf for me to use small <br>spoked wheels and create a bicycle trailer for my boat. thanks a <br>bunch.
Sure... my first idea was with spoked wheels (as they will not stuck in soft sand) but unfortunately I couldn't get them.<br>Thanks for your comment
chusgs, <br> i hear you about the problem with smaller wheels stuck in the sand. <br> i've been there. So... for all those out there in need of wheels, may <br> i suggest this; Kids out grow their 1st bikes in no time at all. Having <br> built several bike trailers for various functions, i've found one can <br> often pick 12&quot; &amp; 16&quot; wheeled bikes at garage sales or thrifts for less <br> than the cost of a new 16&quot; tire. If you can find an old trailabike. the <br> kind that hitches to the seat post, they convert easily into a single <br> wheel bike trailer for off road touring. Check your local craigslist; <br> there's almost always such items out there for cheap.
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can also use a bit of 2x4 for the crosspiece
Great idea using the drainage holes to mount the trolley!
Genius is the only word I can think of! Thanks.
<strong>That's </strong>what I needed. Inspiration. Nice design.<br />
Thanks for the ideas, I&nbsp;made a few modifications for a Venturer kayak. Replaced drilled holes with T-pieces,fitted&nbsp;onto old pram wheels with&nbsp;a removable axle so it all comes apart&nbsp;and it works. &nbsp;When I work out how to I'll post images. Thanx again
oh yea another piece of advice is to use washers to keep the wheel from rubbing the pvc while it turns. I had my bolts tighten as the rig rolled. I may use double nut trick to prevent further hastle. It may be a good idea to include inches as well as mm since many of us are metric-challanged...lol
Of course washers are useful for that (I have them already installed). I've not included inches because this is only an idea of how to do it, and I don't know if direct unit conversion is useful. For example 6mm (drill bit) are 0.236 inches and I'm not sure if there is a drill bit with those dimensions. As kayaks will vary between different brands, if you want to build one, you will have to fit it to your kayak size.
great idea!!! While I was constreucting I had a variation that may work for some who don't have the 3" pvc. You could drill 2 1" holes in the supports(that fit into scupper holes) and insert a 1" pvc pipe through the 4 holes .this forms an H and I covered the 1" with the foam insulation. It also keeps the rig from twisting without the extra hardware. thanks again
That's a great design. Very clever. Just love how small it folds up to. I'll have to see if I can adapt this for my fiberglass kayak.
A simple and elegant solution. I think I have all the parts I need in my garage and shed. Great idea.
I have two different kayaks and this will work great! Thanks!

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