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Author Topic: New Zealand scow centreboard  (Read 2749 times)

Popeye

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New Zealand scow centreboard
« on: October 16, 2018, 01:57:44 pm »

I'm currently building a New Zealand scow but have no idea how the centreboard was hung and raised /lowered.
Can anyone out there in Mayhemland shed any light on the subject, eg., drawings, sketches, photos etc.?

Thanks in anticipation of a positive response
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Antipodean

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Re: New Zealand scow centreboard
« Reply #1 on: October 16, 2018, 10:31:46 pm »


I managed to find this. Page 4 has a diagram showing the centreboard down which says to me it lowers and raises vertically using a manual or mechanical system. Page 39 has the instructions for raising and lowering the centreboard.



https://www.maritimemuseum.co.nz/sites/default/files/TED%20ASHBY%20Vessel%20Manual.pdf


This page has a gallery showing the restoration of the Jane Gifford and the centreboard is shown raised in a few photos.


http://www.janegifford.org.nz/history.htm
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tigertiger

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Re: New Zealand scow centreboard
« Reply #2 on: October 17, 2018, 01:40:51 am »

I agree with Popeye.
The centerboard is in a box from deck (or even locker height) to keel.
Raised and lowered mechanically, it only mentions one winch handle and I am guessing it has a gearbox.
In one of the photos from the second link, there also appears to be a runner (like a drawer runner) in the middle of the face of the centerboard (see pic). If I am correct, this would keep centerboard vertical and stop it from sticking when being raised or lowered.
Alternatively it could be a rack, for a rack and pinion lifting gear.
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tigertiger

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Re: New Zealand scow centreboard
« Reply #3 on: October 17, 2018, 02:20:17 am »

There are also plans available, which may or may not help. https://www.cornwallmodelboats.co.uk/acatalog/mar2492.html
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The Wizard

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Re: New Zealand scow centreboard
« Reply #4 on: October 17, 2018, 07:55:26 am »

Hi Popeye,
I seem to recall that the Auckland Maritime Museum has a restored scow that does day trips.
You may be able to get some information from them.


The Wizard
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tigertiger

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Re: New Zealand scow centreboard
« Reply #5 on: October 17, 2018, 10:19:17 am »

It might also help if people know the name of the scow, or its precise type or origin, or rough date. Some yards or regions did things differently to others, and things changed over time. It would certainly help any maritime museums to help you.
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Popeye

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Re: New Zealand scow centreboard
« Reply #6 on: October 22, 2018, 06:19:30 pm »

Many thanks to the kind folk who responded to my recent enquiry


Popeye.
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Popeye

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Re: New Zealand scow centreboard
« Reply #7 on: February 12, 2019, 11:37:01 am »

I have not had much success in respect of this subject so am now hopeful that our Kiwi MBM colleagues may be able to come to the rescue:-

(1) how is the centreboard raised - eg external block and tackle via winch/capstan?, rack and pinion or other form of mechanical gearing?

(2) were the holds on both sides of the centreboard housing topped off with hatch boards and sheeting?
 
 My model's centreboard housing is only intended to simulate the real thing but any photos of the genuine  article, or any 'scow' material would be greatly appreciated to complement the very basic commercial plan and Internet sourced material I'm  using to build my 1:24 scale mode of a trading scowl.

Thanks in anticipation of positive response/s.
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Rhys

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Re: New Zealand scow centreboard
« Reply #8 on: April 16, 2019, 07:45:46 pm »

I have quite a bit of family heritage with the scows, and a few books. They are a swinging board, with weight. Forward pivot.
Thanks for modelling one, I have meant to for many years, but never got a "round tuit"
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