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Posted (edited)

Hi B.E. 

 

Very interesting tests with the copper patina. I have heard that a water solution of 2% urea with a few drops of ammonia will make a good patina. I guess this will emulate the 'natural' approach , but is perhaps more controlled and can be tuned in terms of strength of the solution and ratio between urea and ammonia. I will try that myself when I get the chance! 

 

BR

TJM

Edited by TJM
Posted

IMHO, I think urine a good spot where you are, B.E., leaving it as is I mean :D 

Mark

 

On the table:  Endeavour 1934 - J Class Racing Yacht - 1:80

 

Next up: Lynx, Baltimore Clipper Schooner - MANTUA - 1:62

 

Awaiting shipyard clearance: HMS Endurance - OcCre - 1:70


Wishlist: 1939 Chris Craft Runabout - Garrett Wade - 1:8

 

 

Dogs do speak, but only to those who know how to listen

Posted

Thank you Mark, TJM,  and Alan.

@  TJM - I was hoping to avoid the nasty stuff like Ammonia and Copper sulphate, and even the option of hard boiled eggs would require a large bag to  to hold the hull, and a fair bit of puff to inflate it.

@ Mark - I'm in no hurry to follow this up.

@ Alan -   I have kept the test samples exposed to air pinned to my plan board, I will leave them to mature.

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You can see the current state compared to the virgin plates for the Rudder.

 

B.E.

 

Posted

Hi B.E. 

 

I understand your caution - I am a chemist, so I am biased 😉.

 

I must say I actually like your results, especially the lower square example. But I would much prefer to use a few select chemicals than the all natural route to achieve the result!!

 

But your untreated hull also looks great as is - I am very much enjoying following your build!

Posted
4 hours ago, Blue Ensign said:

You can see the current state compared to the virgin plates for the Rudder.

 

Nice exposition on your copper patina trials; close - but no cigar (yet). I agree that the coppering on your Harpy looks just fine as it stands. Mother Nature will do the rest. Your chemistry trials reminded me of my own that I also abandoned. This photo taken after approximately two years after placed on her pedestals. These are the questionable "domed" copper plates from Caldercraft, circa 2012/13.

ARlowBow.thumb.jpg.1e7c93d5e393f424e01be3650b91e483.jpg

 

Ron

Director, Nautical Research Guild

Secretary/Newsletter Editor, Philadelphia Ship Model Society

Former Member/Secretary for the Connecticut Marine Model Society

 

Current Build: HM Gunbrig Cracker #13 (HM Adder Gunbrig)

Completed Builds: Grace & Peace (Wyoming, 6-masted Schooner), HMS GrecianHMS Sphinx (as HMS CamillaOngakuka Maru, (Higaki Kaisen, It Takes A Village), Le Tigre Privateer, HMS Swan, HMS Godspeed, HMS Ardent, HMS Diana, Russian brig Mercury, Elizabethan Warship Revenge, Xebec Syf'Allah, USF Confederacy, HMS Granado, USS Brig Syren

 

Posted

That's a cracking shot of your 64, Ron, and the copper colour is spot on for what I'm after.

Love the small details - lead sheathing on the stem and Tompions in the Hawse holes. 👍

 

Post 39

Thinking about the deck

As with Indy and Sphinx I want to leave as much of the lower deck open to view as is practical.

The ply sub-deck gives the basic shape to be over-planked but the area will be increased sufficiently to house the carronades.

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At the bow around the Fore-Mast I have cut away an area to show more detail of the forward cabins.

This necessitates adding carlings to the deck beam behind the mast to support the mast partners.

Retro fitting carlings  is a little tricky.

 

The centre line of the boat will be planked where necessary between the various fittings.

Hatchways and Companionways will be fitted before planking.

 

Chris has designed these to fit within the etched deck cut-outs, directly on the beams, so I don’t need to  make adjustments to the height of the coamings etc.

 

The first job is to make up and fit the grating sets. 

Quite time consuming the assembly and fettlin’ of these items, there is a lot of heavy char to be removed. It pays to take time, they will be prominent features of the Upper deck.

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For the first time on a build, I have not had to add a round-up to the head ledges of the coamings, Chris has included this feature in the parts.👍

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Veneers wettened and clamped around a suitable former, in my case a plan tube, are used to cover the  coamings/ head ledges.

The instruction suggest leaving them for 36 hours before use, but I blast them with the hair dryer and leave overnight.

I perceive on the gratings a sort of ribbed effect I have not noticed on previous builds. They benefit from a light sanding to reduce this.

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The Instructions suggest that rounding the gratings isn’t necessary; I found it of benefit, and I applied the hairdryer treatment but without dampening the grates.

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Main Hatch

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The only issue I had with assembly was with the Fore grating and stove chimney cover.

I had to add side pieces to get a good fit.

All these fittings are in their raw state at present.

 

When going off-piste with the decking it is advisable to check out all the fittings to ensure sufficient deck planking is in place.

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Here the riding bitts and standards are dry fitted.

I will need to support the standards with decking.

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Additional carlings were required to support the small steam grating above the stove grate, which otherwise just sits on the etched deck.

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Not sure what the small cut-outs on this grating are for? They almost look like a fault.

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0417

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All the char will now be removed and the centre line fittings glued into place.

 

B.E.

19/02/2025

Posted

Post 40

Prelude to planking.

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I have spent a morning cleaning up just these five fittings. The Char proved very stubborn.

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I do intend to paint the coamings Black, but I prefer to keep the insides bright, which proved to be the most difficult to clean.

 The gratings will be given the w-o-p treatment.

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I decided I couldn’t live with the kit small steam grating set-up (on the right) so I re-made one more to my liking.

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Looking a lot better now.

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I can now proceed to planking.

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I think my assistant is telling me it’s time for (his) lunch.

 

B.E

20/02/2025

 

Posted (edited)
1 hour ago, Blue Ensign said:

I think my assistant is telling me it’s time for (his) lunch.

 

Ha, I have an assistant like that too. He just lays on the guest bed in that room and just stares at me too when he wants something. This is him - meet Cooper :) 

 

 

image.thumb.jpeg.0f613bf9e82597271db5967a6da08e36.jpeg

 

Edited by SaltyScot
Pic added.

Mark

 

On the table:  Endeavour 1934 - J Class Racing Yacht - 1:80

 

Next up: Lynx, Baltimore Clipper Schooner - MANTUA - 1:62

 

Awaiting shipyard clearance: HMS Endurance - OcCre - 1:70


Wishlist: 1939 Chris Craft Runabout - Garrett Wade - 1:8

 

 

Dogs do speak, but only to those who know how to listen

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