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Building a skin-on-frame kayak

During the level 4 Covid-19 national lock down, Auckland Sea Kayaks guide Tom Groothuzien has done what many have not. He has been productive with all this extra time.

Tom has been building a skin-on-frame kayak. Traditionally, Greenland kayaks consisted of a driftwood frame with a covering of seal skin. The technique is known as skin-on-frame, SOF or skinboat construction.

Unlike most other construction methods, you do not need to make a mould before starting work on the kayak itself, just a couple of wooden trestles to keep the work at a convenient height. The first step is to make the skeleton or frame from thin pieces of wood. Over the frame, you stretch a skin of heavy-duty woven fabric which you then paint with a liquid sealant to make it waterproof.

Rather than being glued and screwed together, the wooden parts of the frame are usually lashed together with a synthetic substitute for the traditional animal sinew.

A skin-on-frame kayak consists of a wooden ladder, where the ladder sides are the gunwales and the rungs are the deck beams, with a heavy-duty basket of flexible ribs and stringers underneath it. The ribs go from one side of the kayak to the other. They’re bent into a C-shape and they act as springs.

Tom is building this kayak to his body shape with no plans. This sea kayak will have very low volume for its length which will look very good as Tom likes it lean and mean.

Tom’s skin-on-frame kayak is built nearly completely from recycled material that his father salvaged from different building sites over the years. It’s all cedar except for the homemade kauri dowels. It’s 56 cm wide 480 cm long and depth to sheer is 22 cm. This kayak is built for the specific purpose for shorter over night kayak trips in the Hauraki Gulf.

It will be light, fast, very easy to roll and not so badly affected by wind, which is the kayaker’s big enemy. However it will have next to no stowage space, will sink with only a small amount of water inside, won’t be quite as strong as a deeper boat, and will often misbehave in surf. Tom has designed this boat to play to his advantages.

Who’s Tom?

Tom is an interesting chap. Born and raised in Auckland and is normally seen on very very windy days windsurfing when know one else dares to go out.

Tom left New Zealand right out of high school and cycled from northern Alaska to the southern tip of South America before cycling from South Africa to Egypt. When you think this was not enough, Tom built a canvas kayak in Sweden and paddled it to southern Europe. This was followed by him cycling from Sweden to Vladivostok, far eastern Russia. Clocking up 50, 000 km cycling around the globe.

Tom has just got back from walking across the Mongolia with two horses and looking forward to a summer back home in Auckland.

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Join our online photo exhibition as part of @aklphotofestival 

Final week to submit an image/s - by midnight Mon 31 May, up to 4 images can be entered per photographer. 

Image by @backcountryweb - taken on a multi day kayak trip utilising a split paddle as a handy camping accessory. 

#seakayaking #photography #paddling #haurakigulf
We are presenting an online community photography We are presenting an online community photography exhibition - Paddling the Hauraki Gulf / Tikapa Moana. 
Anyone that has a cool or interesting image of paddling in the Hauraki Gulf can enter! 

Up to 4 images can be entered per photographer - we are looking forward to including your photograph/s in the online exhibition on show from 3 – 20 June as part of Auckland Festival of Photography. 

SOO SEND US SOME PICS! 📷 

PRIZE up for grabs: 1 Photographer will win a $390 Gift Voucher (12 month expiry) for Auckland Sea Kayaks Guided Tours.

To select the WINNER we have invited Ocean, creative manager responsible for Auckland Sea Kayaks's website/digital imaging, Ocean has a tourism background and is committed to ensuring visitors to New Zealand get as excited about the country as she does. When she’s not paddling with us, you’ll find her sailing competitively or catching a few waves on her longboard.

Please submit your photo/s here by midnight Mon 31 May: https://www.aucklandseakayaks.co.nz/festival-of-photography/ 

Image by @ocean_patrice
@aklphotofestival

#seakayaking #photography #paddling #haurakigulf
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