Author Topic: Building Jig Setup  (Read 4237 times)

Offline uthmani

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Building Jig Setup
« on: April 04, 2009, 05:02:18 PM »
Hi Guys

We have started work on building a 20' standard skiff, but there is a question we have about the setup of the building jig shown in Renn Tolmans book, on page 103. If you look at the image on the top, you will see a piece of wood that is 1-1/2 inches to the right of the centreline of the boat.

What is the meaning of it being on the RIGHT side of the centreline, when I believe only half of the setup is shown so you just MIRROR it about the centreline? Shouldn't that piece be on the LEFT side of the centreline instead? In that case you will have two pieces that are 1-1/2 inches to either side of the centreline..

Cheers,
Mustafa

Offline mschlechter

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Re: Building Jig Setup
« Reply #1 on: April 04, 2009, 05:27:36 PM »
Hi Guys

We have started work on building a 20' standard skiff, but there is a question we have about the setup of the building jig shown in Renn Tolmans book, on page 103. If you look at the image on the top, you will see a piece of wood that is 1-1/2 inches to the right of the centreline of the boat.

What is the meaning of it being on the RIGHT side of the centreline, when I believe only half of the setup is shown so you just MIRROR it about the centreline? Shouldn't that piece be on the LEFT side of the centreline instead? In that case you will have two pieces that are 1-1/2 inches to either side of the centreline..

Cheers,
Mustafa

I would venture to say that piece of wood is there to align the bow stem support beam. Renn uses two 2X4's or 2X6's, that would then place the bow stem support beam on the center line of the jigs. Page 105, 2nd paragraph. It could be on the right or left or you can use two, one on each side, no difference.
« Last Edit: April 04, 2009, 05:32:46 PM by mschlechter »
Mike
Juneau, Alaska

adam_kondrashoff

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Re: Building Jig Setup
« Reply #2 on: April 04, 2009, 07:06:59 PM »
Mike is right.  That block of wood 1.5" from center is there to align the bow stem jig.  When I built my jig I used one block and it worked fine. The block is there to keep your 2x4 or 2x6 stem jig aligned with the center line.

adam_kondrashoff

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Re: Building Jig Setup
« Reply #3 on: April 04, 2009, 07:09:55 PM »
Oh, and welcome to the group.  What kind of boating do you plan on doing with your skiff when it is done?

Offline uthmani

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Re: Building Jig Setup
« Reply #4 on: April 04, 2009, 09:31:51 PM »
Thanks for the replies guys.

Oh, and welcome to the group.  What kind of boating do you plan on doing with your skiff when it is done?

It's actually a friend who will be doing most of the building, and I will be helping out when I can. We will be mainly using it for fishing purposes down here in Melbourne, Australia.

Offline kiwi les

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Re: Building Jig Setup
« Reply #5 on: April 04, 2009, 10:05:43 PM »
Good lord - I have a new neighbour

kiwi les

Ps your more than welcome to drop by for a beer, you bring the prawns, I'll supply the beer and rum! ;D

adam_kondrashoff

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Re: Building Jig Setup
« Reply #6 on: April 05, 2009, 08:19:21 AM »
Fishing purposes is one of the primary uses of the tolman hull.  I can't think of any better reason to be out on the water.  The build should go quickly since there are two of you working.