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Author Topic: ATLANTIC 21 NEW BUILD + 1  (Read 7887 times)

Neil

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Re: ATLANTIC 21 NEW BUILD + 1 + ANOTHER
« Reply #50 on: January 07, 2025, 04:59:10 pm »

I JUST COULDN'T  resist it when I saw this come up for sale on Facebook for sale adds, and so I bought it mid December, and after all the Christmas rush and post it finally arrived this afternoon.
I have the first built, and one of the later ones that served at Blackpool, B - 1 prototype and B - 525 with the the full rear quad mast and self righting baloon, but I have never built B - 500 with the first rear truncated quad mast and NO self righting bag.
And so this will fill the gap and I will have a full set of 3 with subtle differences both in the stern fixings AND  the crew seating arangements.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #51 on: January 08, 2025, 09:30:35 pm »

And so back to the build, the access area was cut out from the fixed deck using one of the removeable decks of my other two lifeboasts, and a rim adderd to the underside of the remaining rims of the deck for the replacement lift off deck to fit on to.
And a new deck made to fit.
And the stern board for hanging the outbopards on to has been cut but needs shaping has been dry added.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #52 on: January 09, 2025, 01:45:18 am »

Now that the deck has been cut and finished the stern wash board has been completed, shaped and glued in place and then instead of using the supplied seating consol, i have made the tandom seating consol which B-1 and B-500 were built with containing subtle changes as the developement of the 21 continued.

Once the plastic weld has fully set it will be given a good sanding fown and then detailing will start to take place on the consol.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #53 on: January 09, 2025, 04:31:05 pm »

Today I have sanded and cleaned up the seating consol for B-500, and made a wooden plug for the centre seat cousion, whilst also  cleaning up and putting a back on to the front seat, as this is also to form a plug to mould two seats at a time. I have one somewhere but couldn't find it some months ago when I was building B-1.

Anyway, once cleaned up I pressed the seat into a block of warm plasticine twice and after each put the block of plasticine into the fridge to cool and harden.

I also did the same for the middle cousion.

Finally I cast the my pollyurethane resin into the indentations made by the plugs and cast to make the seating. the resin goes off and workable within about 15 minutes, but will leace them for an hour to cool down and then sand smooth .

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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #54 on: January 09, 2025, 05:34:32 pm »

WELL!....... They turned out ok, quite happy with them.
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SteamboatPhil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #55 on: January 09, 2025, 06:08:03 pm »

Thats a brilliant tip regarding the plastine, thankyou.....(following the build as well of course)  :-))
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #56 on: January 09, 2025, 08:49:59 pm »

Thanks Phil..........saves a lot of expense in rubber that you'll probably only ever use on one boat



And finally for tonight, I think? I have measured, marked 3 times and measured 3 times, and then  cut once the access hole in the removeable deck that the seating consol covers.

Using strips cut from the removed centre hole to make the uprights for holding the seating consol I have added the surrounds to hold it in place, and a good fit it is.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #57 on: January 09, 2025, 09:20:17 pm »

A now that B- 500 is taking shape thats it for tonight, and i think its time for a nice beer.
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mrzippy

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #58 on: January 10, 2025, 10:23:53 am »

Hi Neil, like Philippe I'm very impressed with your nifty plasticine hack, certainly saves an awful lot of faffing - and especially for one offs !
I know nothing about Plasticine's properties (been 55 years since eating it as child) and wondering how its not sticking to your simple plug?
From the pics it looks like a raw balsa plug or did you coat it with something? - you don't appear to have done the usual high gloss and polishing for molding etc ??
the cooling's also news to me, thanks for the interesting tutorial sir!
Paul.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #59 on: January 10, 2025, 12:10:54 pm »

Hi Paul, plasticine is basically an oil based putty so i am told, but have played with it sinse child hood, and still use it today recommended by my doctor for keeping my arthritic finfers and hands as subtle as i can by gently kneeding it in my hands when not modelling but watching tv............and it really works.
the idea of making one off moulds came a few years ago when i lost a rubber mould and needed one part for a lifeboat i was modelling doing and tried..........the plastyicine worked so use it now for one off moulds and is perfectly reuseable once the resin is removed.
As for the wooden part, it is in fact obeche' that i use as a much better grain for sanding than balsa, and needed no treatment at all to make the mould, no coating or release agent on any of the bits :-))
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #60 on: January 10, 2025, 01:12:47 pm »

I made these 2 parts last night whilst watching late night M.A.S.H. so that the glue would be set by today so that I could glue them in to the boat and deck.
I have seen a number of these boats hit the deep six when they are put in to full astern from full ahead and the backwash just flows over the stern board and down the hole in the aft of the seating consol where the two leads from the outboards for steering go in to the hull servo inm the hull.
That is why I set up a double "bulkhead" into the stern end of the seat, to eliminate most if not all of the water getting in, and it has worked so far.

So I make a tube attached to the seating consol and a flaired fitting to attach to the stern board for the leads from the outboards to run through........ NOT scale or actually on such a boat BUT it saves me loosing a boat to the pond saving much greif, and who sees that small modification when she's buzzing around on a lake 30 yards out at 110 knots lol.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #61 on: January 10, 2025, 01:21:14 pm »

And looks just how I want it to look too.
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mrzippy

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #62 on: January 10, 2025, 04:33:41 pm »

Thanks Neil - logged in the memory bank for future use.
On a similar note I find I'm using BluTack more and more instead of clamping/pinning while glue sets etc -
works a treat once you get used to it and reusable like plasticine.
Paul.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #63 on: January 12, 2025, 11:40:24 am »

Last night I did a little detailing on the equipment lockers on the seating consol of the 21.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #64 on: January 12, 2025, 01:57:12 pm »

And then finally for last night which took me until around 01.45  I  made the brackets for attaching the outboard brackets to which face on to the transom stern plate.


Also I made and fitted last night the main outboatd brackets, the top and bottom brackets only, making sure that those 4 brackets glued in a horrizontal possition.

 To make these, I copied on card the brackets from one of my completed Atlantic 21's and left them to all set until this morning.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #65 on: January 12, 2025, 02:33:50 pm »

This afternoon i finished off the brackets for the outboard motors to hang on to using 1.8mm plasticard and EMA PLASWELD plastic poli glue, and copying other outboard motor hangers fitted to my other Atlantic 21's already built
I Will leave those until this evening before sanding them smooth and clean.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #66 on: January 12, 2025, 10:25:50 pm »

So finally for tonight, and before I break in to a bottel of Lidils finest Australian red I have cut all the parts for the sponson safety  grab  handles for my first job tomorrow.

Judjment on the wine will be divulged tomorrow.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #67 on: January 14, 2025, 09:51:36 pm »

The sponson grab handles for both crew and casualties have finally been put together, and 28 of them for the 21 was a tedious and time consuming job................but hey ho thats what modelling is all about.

Once the things and the polli glue has set and hardened i will sand them all clean.


However, I cant glue them to the boat yet as the hull itself needs to be sprayed and masked up a couple of times to get the orance flashes also painted on the boat.

Only once the hull has been painted, and the grab handles also painted in the colours where they will sit on the boat, can I glue them to the boat,
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #68 on: January 15, 2025, 03:44:41 pm »

The build goes on with small pieces of work at a time.

This time was the placing of the side grab  lines,

And then it was gluing in the prop tube and shaft with 5 minute epoxy glue, areldite on this occasion.

Two more jobs done.  After letting it all set, I'll sand it all down ready for putting some paint on tomorrow, and then put it in a bath of water to make sure it doesn't leak before going further.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #69 on: January 15, 2025, 09:31:35 pm »

Using the method that I used the other day to make the seats, I requisitioned my childrens plasticine again to moult two equipment sacks that hang on the the rear insides of the sponsons port and starboard.

I did once on a 21 some time ago refer to them as the fuel sacks but was certainly in no way told they were equipment sacks.........but I  don'tr know only that they fit to the rear of the sponsons.

They just need trimming and tidying up now and contouring to fit the curve of the sponsons before adding........but i'll do that in the workshop tomorrow as have something else to do in the room as well on another project.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #70 on: January 16, 2025, 06:42:34 pm »

This afternoon I trimmed up the shape of the bags and then took them in to the workshop and offered the insided [reverse side to the detailing.

Once I had sanded a hollow holding each fitting to the motor wheels at the end of the sander I cut the curve in to the reverse side of each bag. By now the rim around the bag had disapered in most places and so sanded the remnants off

I used 0.8mm plasticard to replace the backing and glued to the mouldings with plastic polliweld glue.

Finaly sanded they were glued to the inner stern sponson tubes as per plans and the other two boats I have for inspiration.

Then I went out to Halfords for a rattle can of Volkswagen Brilliant Orange to do the Side "flashes" This is known as   S5 - 050, the replacement and proper RAL number for Volkswagan Brilliant Orange,

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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #71 on: January 16, 2025, 08:40:23 pm »

before I start looking for the last od the cast fittings to be added to the boat and sponsons these are two of the last fittings that i can make...... the port and starboard fore and aft tow rope holders. the other scratch part will be the truncated quad mast for the stern.

Rope hangers added.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #72 on: January 17, 2025, 11:07:14 am »

and those bags i keep refering to as equipment bags and some over the years have even said were fuel bags..........i have been informed by a gent in the know..........they are bags for carrying spair propellors for the two outboard motors, and looking at the shape of the bags, is now totally obvious.................i learn something new every day.  :-))
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #73 on: January 17, 2025, 09:50:54 pm »

Since I posted last night I Hhave found most of the master fittings that I kept on wire stalks so that i could reproduce them should i need for another Atlantic 21 that might turn up in the future, as these models are becoming more rare as the years go on.

I  then pressed the masters in to the plasticine blocks that I intended to mould in multiples, leaving impressions which i then poured resin in to. Once cured after about an hour I cleaned them all up ready for fitting to the model. The only one missing is the bow cleat, which if i cannot find, I'll just have to carve one from plasticard.
And the last photo od the 2 plastic tubes about 25mm long are going to be transformed tomorrow in to 2 fire extingwishers that will go under the hood on the read crew seat.
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Neil

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Re: ATLANTIC 21 NEW BUILD + 1
« Reply #74 on: January 17, 2025, 10:30:30 pm »

work has now stopped as just gashed my right index finger on a very sharp craft knife when i got hold of the wrong end..........silly pratt. ass it is a deep cut and am now suffering from thinning blood after my big opp it'll take a few days to heal or ill end up with red juice everywhere, and probably feint at the site of me leaking lol..........give me a rest and time to watch TV.
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