Kayak Trailer

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Posts: 15
Joined: Wed Dec 09, 2015 11:29 pm
Kayak Make: Jackson
Kayak Model: Big Tuna
Location: Nelson

Sun Dec 03, 2017 10:38 pm

Well its been quite some time since I started this project, I had finished building the steel frame for the trailer back in January and it has been sitting in my garage painted and waiting for the ply.
Today I finally finished it! I know it sounds a little over the top building a trailer for one kayak, but this yak is a monster, its the Jackson Big Tuna at 4.3 meters long and almost 90cm across and weighs a hefty 46kgs empty it would be quite a challenge loading this on top of my ute by myself after paddling all day.
I wanted a kayak that could be converted into a double paddler for the family and a single for fishing trips and the big tuna ticked all the boxes.
Anyway back to the trailer, I picked up a rusty old trailer with a ruined frame for $150, all I wanted was the axle, wheels, wheel arches, draw bar, loom, lights and other misc stuff which would have cost quite a bit more than the $150 that I paid.
I basically copied the exact dimensions of the old trailer so I could reuse the front and rear fold down gates and original parts.
The frame is made from 25x50x4 rhs and the ribs from 50x50x2 shs, and finished with 12mm marine ply and 2 x 90mm PVC pipes with caps that run the length of the trailer gaped to fit the big tuna's keel (about 50mm) which I will use for one piece rods and flag storage while under tow, I have seen a fair few people on youtube use this method to transport their kayaks, it helps support the entire keel length of the kayak to help prevent buckling/denting on hot days. This PVC setup makes sliding the kayak on and off the trailer incredibly effortless, i just attach the kayak trolley, unstrap the kayak, grab the front grip and slide it off the back onto the attached trolley and wheel it away, ( did some dry runs today to see how easy it would be)

I think in total I had spent just over $600 (not including rego and wof) for a light weight dual purpose trailer.
To convert the trailer back normal, I undo 6 bolts holding the PVC pipe, lift the front gate up and lock, and attach the tail gate (10 minutes tops)
Im thinking I may swap out the nuts for wing nuts.

Part 2 of this project with be to make a removable rack to transport additional kayaks.

All in all im really happy with the trailer and I cant wait to take it out when im not on call! :headbang:
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Stinky inky
Posts: 373
Joined: Thu Apr 26, 2012 11:09 pm
Kayak Make: Ocean Kayak
Kayak Model: Prowler 4.3
Location: Auckland

Mon Dec 04, 2017 10:40 am

looks smart, very tidy work by the looks of it, like that idea of using the PVC tubes as a cradle and rod storage.
I use a trailer all the time even tho my yak is far lighter than yours, so not overkill at all having a dedicated set up.
The gods do not deduct from man's allotted span the hours spent in fishing.
Babylonian proverb
So fish more you will live longer....

Ocean kayak 4.3 GREEN

Cobra FnD

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Posts: 8281
Joined: Wed Sep 22, 2010 3:20 pm
Kayak Make: Viking
Kayak Model: Reload
VHF Call Sign: ZMW 2196
Location: West Harbour

Mon Dec 04, 2017 12:26 pm

Nicely done.... def some good thought gone into the design & build
"The trouble with common sense is that it's not too common !"

Viking ReLoad
Ocean Kayak Trident 4.3
Phoenix Hornet - "Retired"
Ocean Kayak Ultra 4.3 - "Retired"
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ZMW 2196


User avatar
Posts: 15
Joined: Wed Dec 09, 2015 11:29 pm
Kayak Make: Jackson
Kayak Model: Big Tuna
Location: Nelson

Tue Dec 05, 2017 7:10 pm

Thanks fellas!
With all this amazing weather we are having here I am chomping at the bit to get out on the water!

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Posts: 3388
Joined: Mon Aug 17, 2009 4:23 pm
Kayak Make: Viking
Kayak Model: Profish 400
VHF Call Sign: ZMT-7387
Location: Nelson

Wed Dec 06, 2017 2:06 pm

How did you secure the pipes to the deck?
"No good story begins with a salad"
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Posts: 1798
Joined: Mon Apr 30, 2012 8:34 am
Kayak Make: Old Town
Kayak Model: Predator XL Petrol
VHF Call Sign: ZMW9858
Location: Papakura, Auckland

Wed Dec 06, 2017 5:32 pm

Nice work Viking,

I've got this at the moment and you're right, it's such a pleasure rolling the kayak from the trolley onto there. My Predator XL also weighs around 50kgs and this is just SO much better than rooftop.
20170811_172434.jpg (111.21 KiB) Viewed 1310 times
I've seen some videos with guys using the PVC piping and am thinking of doing something similar so that I can fit a second kayak on there, but I still want the XL to fit right in the middle when stored.
Old Town Predator XL
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VHF Callsign: ZMW 9858

Kayak Fishing Auckland

User avatar
Posts: 15
Joined: Wed Dec 09, 2015 11:29 pm
Kayak Make: Jackson
Kayak Model: Big Tuna
Location: Nelson

Sat Dec 09, 2017 7:35 pm

MikeAqua wrote:
Wed Dec 06, 2017 2:06 pm
How did you secure the pipes to the deck?
I drilled an 8mm hole all the way through the pipe and used a step drill to enlargen the top hole to fit my 13mm socket so i could then bolt the pipe down through the trailer timber, securing it with a washer and nut under the trailer.

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