Author Topic: COLUMBINE - The Boat  (Read 23260 times)

Offline Robert Hornby

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COLUMBINE - The Boat
« on: April 09, 2016, 05:05:11 AM »
Procrastination over. I have commenced finally on the boat hull. A left over kitchen cupboard door was brought into service a base for the Urethane foam block. I will glue the foam to the base with contact adhesive, this is to provide some substantial support
Age and treachery will always overcome youth and skill

Offline Robert Hornby

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Re: COLUMBINE - The Boat
« Reply #1 on: April 09, 2016, 05:13:52 AM »
Oops, Some how that got posted too soon.  Start again.

Procrastination over. I have commenced finally on the boat hull. A left over kitchen cupboard door was brought into service a base for the Urethane foam block. I will glue the foam to the base with contact adhesive, this is to provide some substantial support whilst I shape the foam. I will make cardboard profiles for each section at 50mm intervals. I have ordered the urethane which will take 10 to 12 days as it has to be specially made to the size I need - 1000mm x 290mm x 270mm.







Robert

Age and treachery will always overcome youth and skill

Offline zeeprogrammer

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Re: COLUMBINE - The Boat
« Reply #2 on: April 09, 2016, 12:03:54 PM »
 :popcorn:

Is there a picture of what you're striving for?
Carl (aka Zee) Will sometimes respond to 'hey' but never 'hey you'.
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Offline Robert Hornby

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Re: COLUMBINE - The Boat
« Reply #3 on: April 09, 2016, 12:13:35 PM »
Sure is Zee





Robert
Age and treachery will always overcome youth and skill

Offline zeeprogrammer

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Re: COLUMBINE - The Boat
« Reply #4 on: April 09, 2016, 01:57:17 PM »
Oh nice! Thanks.
Looking forward to this!
Carl (aka Zee) Will sometimes respond to 'hey' but never 'hey you'.
"To work. To work."
Zee-Another Thread Trasher.

Offline Johno

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Re: COLUMBINE - The Boat
« Reply #5 on: April 09, 2016, 04:43:29 PM »
Hi Robert,

Looking forward to following the build process. Have you decided on the steam plant/engine?

Cheers

Ian

Offline Robert Hornby

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Re: COLUMBINE - The Boat
« Reply #6 on: April 10, 2016, 12:24:38 AM »
Ian

Very much so, if you check out the engine and boiler builds in the other categories you will see them.

 

Robert
Age and treachery will always overcome youth and skill

Offline b.lindsey

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Re: COLUMBINE - The Boat
« Reply #7 on: April 10, 2016, 01:08:36 AM »
I am really looking forward to this too Robert. I don't know anything about boats but love seeing what you guys to in creating them.

Bill

Offline Sackett

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Re: COLUMBINE - The Boat
« Reply #8 on: April 30, 2016, 11:26:58 PM »
Is this a model,, or gonna be a full sized boat???

Offline Robert Hornby

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Re: COLUMBINE - The Boat
« Reply #9 on: May 01, 2016, 05:53:12 AM »
It is a model Sackett, 1:7 scale, i.e. the prototype is 7 metres long, my model will be 1 metre long.
Robert
Age and treachery will always overcome youth and skill

Offline Robert Hornby

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Re: COLUMBINE - The Boat
« Reply #10 on: June 06, 2016, 05:01:59 AM »
The urethane foam has finally arrived and now I am able to proceed.



The block is 1000mm x 290mm x 270mm, the material is very soft and even looking at it too hard will cause it to dint. I glued the block to the wood pattern and screwed a 3"x 2" timber to enable me to hold it all in my work horse.





Next was the shaping the for and aft profile prior to making the groove for the keel.



The router came out to cut the 10mm wide x 15mm deep groove.





The wood keel is made up of about 10 pieces of Merbau (left over off cuts from a new deck) I took quite some time to align the aft part of the keel to drill the prop shaft hole at the required 3 degrees from horizontal, I had to drill from each end and there was only a 1mm miss alignment, which I am able to accommodate and adjust with the gland bushes.









I glued the gland bushes into the timber with 2 pack Araldite (I have used this previously with success) The forward part of the keel will be attached next then more profiling of the foam.

Robert


Age and treachery will always overcome youth and skill

Offline 10KPete

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Re: COLUMBINE - The Boat
« Reply #11 on: June 06, 2016, 06:08:19 AM »
All right then!! 'bought darn time, I thought I was going to grow old and feeble before this boat started taking shape... :old:

 :lolb:

Following closely!

 :cheers:

Pete
Craftsman, Tinkerer, Curious Person.
Retired, finally!
SB 10K lathe, Benchmaster mill. And stuff.

Offline zeeprogrammer

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Re: COLUMBINE - The Boat
« Reply #12 on: June 06, 2016, 11:24:42 AM »
I saved some  :popcorn: for this.

Looks like an excellent start on the hull.
Carl (aka Zee) Will sometimes respond to 'hey' but never 'hey you'.
"To work. To work."
Zee-Another Thread Trasher.

Offline b.lindsey

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Re: COLUMBINE - The Boat
« Reply #13 on: June 06, 2016, 01:04:42 PM »
Robert, anxiously following along still. How did you cut the foam aside from the router groove I mean. Bandsaw? Hot knife?  Just curious given the size of that chunk of foam  :o

Bill

Offline Robert Hornby

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Re: COLUMBINE - The Boat
« Reply #14 on: June 06, 2016, 01:15:49 PM »
Bill, I cut the triangle section from the stern with a cross cut wood saw, and then finished it off with a "surform" tool. It is like a long cheese graterer. The forward end was just with the surform tool.



It removes the foam very quickly, indeed I have to be carful not to take too much off.

Robert
Age and treachery will always overcome youth and skill