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Dunbrody Irish Famine Ship by Mahuna - 1:48 Cross Section - Finished


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Very nicely done on the rails so far.  Looking forward to seeing how you handle those complex chain plates.

Thanks Brian.  I'm still thinking on the chainplates - may take a little while before they're done.

 

Love your work, Frank!

Thanks Patrick.  I'm enjoying most of it!

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Your work is beautiful, as always. It looks like the upper stanchions spacing and lower stanchions spacing is not the same. Do you have anything that shows what the spacing is?

 

Bob

Every build is a learning experience.

 

Current build:  SS_ Mariefred

 

Completed builds:  US Coast Guard Pequot   Friendship-sloop,  Schooner Lettie-G.-Howard,   Spray,   Grand-Banks-dory

                                                a gaff rigged yawl,  HOGA (YT-146),  Int'l Dragon Class II,   Two Edwardian Launches 

 

In the Gallery:   Catboat,   International-Dragon-Class,   Spray

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Your work is beautiful, as always. It looks like the upper stanchions spacing and lower stanchions spacing is not the same. Do you have anything that shows what the spacing is?

 

Bob

Hi Bob.  On the replica ship there are many more upper stanchions than lower.  The construction plans don't show the upper stanchions at all.  In the photos of the replica ship some of the upper stanchions appear to loosely line up with the lower stanchions, and then additional upper stanchions are located between them.  My approach will be to first line up the upper with the lower stanchions, and then to position the additional upper stanchions between them.

 

Fantastic work Frank.

Thanks Albert.

 

 

Amazing work!

 

Thanks Rich.  

Edited by Mahuna
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Part 45 – Main Rails

 

The main rails are 4.5 inches thick (3/32 on the model).  I decided to make them from a single piece of stock for simplicity.

 

The stock was clamped in place and a line was drawn following the contour of the outer side of the bulwark planks.

 

                        post-331-0-72002200-1474898985_thumb.jpg

 

This edge was cut and sanded to shape.  The outboard edge of the rail is rounded, while the inside edge is squared off.  To make the profile for the outer edge a scraper was cut to the correct shape.

 

                        post-331-0-44636000-1474899012_thumb.jpg

 

The scraper was drawn along the outer edge until the edge was properly rounded, and then light sanding finished the edge.

 

                        post-331-0-14513400-1474899028_thumb.jpg

 

The chainplates will protrude through holes that are cut into the rails. 

 

                        post-331-0-47432200-1474899043_thumb.jpg

 

In order to properly locate the chainplates a simulated mast and shrouds was used.

 

                       post-331-0-64251700-1474899069_thumb.jpg 

 

The thread simulating the shrouds was fed through the scuppers to indicate the location of the chainplates.  The bulwark planks are notched to allow the chainplates to sit properly.

 

                        post-331-0-70315400-1474899090_thumb.jpg

 

These notches are also needed on the model, and were cut in with small files.  (Thankfully these notches will not be visible once the chainplates and rails are installed)

 

                        post-331-0-28145200-1474899126_thumb.jpg

 

Pin rails are integrated into the main rail in the area of the shrouds.  

 

                        post-331-0-69653600-1474899152_thumb.jpg

 

Lines were dawn on the rails indicating the inside edge of the rail and the location of the pin rails.  Once these were cut the location of the pins was marked on the pin rails for drilling.

 

Since the inboard edge of the rail is a convex curve, a peg was used in the drilling station as a stop for the rail – this allowed drilling the holes at a consistent depth from the edge.

 

                        post-331-0-49983000-1474899197_thumb.jpg

 

                        post-331-0-85986200-1474899216_thumb.jpg

 

A piece of brass stock of the dimension to be used for the chainplates was bent to the angle of the chainplate, and was attached to the exterior at the location of each chainplate.

 

                        post-331-0-29434500-1474899239_thumb.jpg

 

This was used to mark the location of the chainplate on the rail.

 

                        post-331-0-84213200-1474899270_thumb.jpg

 

Since the chainplates will only be installed on the finished port side of the model, the port rail was cut for the chainplates to pass through.  Again, thankfully these holes will not be visible once the chainplates and topgallant rails are installed.

 

                        post-331-0-69090200-1474899305_thumb.jpg

 

The rails were then glued to the stanchions and the upper bulwark plank.  A large number of clamps was used to ensure that the rails conformed to the sheer of the deck.

 

                        post-331-0-71229200-1474899325_thumb.jpg

 

Now the topgallant rails, including the bulwark planking and the small stanchions for the rails, need to be installed.  This will be the subject of the next post.

 

Thanks everyone!

 

 

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Part 46 – TopGallant Rails

 

The topgallant rails are 3 inches thick (1/16 on the model).  I decided to also make them from a single piece of stock for simplicity.  The curve of these rails was taken from the main rails before those rails were installed.

 

The topgallant rails are supported by a large number of oddly shaped stanchions.  These stanchions appear to be above each of the main stanchions, plus additional topgallant stanchions between these.

 

                        post-331-0-44770100-1474985110_thumb.jpg

 

I think these topgallant stanchions will be a striking part of the model, so I wanted them to stand out.  On the replica ship these stanchions are painted white, so I decided to use holly for them.

 

Since there are so many stanchions (52 in all) I used 4 pieces of holly glued together with ambroid glue, so that 4 were made at a time.

 

                        post-331-0-78963500-1474985132_thumb.jpg

 

A piece that was slightly larger than the width of a stanchion was parted off, and a drawing of a stanchion was glued to it.

 

                        post-331-0-01074100-1474985144_thumb.jpg

 

The bottom and the straight side were shaped using the disk sander, and the curved side was cut on the scroll saw.  These stanchions are so small there was no opportunity to do any final shaping, so accuracy in cutting the curved side was critical.

 

                        post-331-0-34733300-1474985153_thumb.jpg

 

The set of stanchions was then parted off, leaving a little height on the stanchions for shaping later.

 

                        post-331-0-80554400-1474985165_thumb.jpg

 

The set of 4 stanchions were then immersed in acetone (in a closed container) for a few minutes to dissolve the glue.

 

                        post-331-0-07166000-1474985180_thumb.jpg

 

This process only took a couple of hours, since making 4 stanchions at a time reduced the amount of effort involved.

 

Once all of the stanchions were manufactured, installation could begin.  A line had been drawn on the edge of the main rail to indicate the location of the outside edge of each stanchion.  The topgallant stanchions that would be located over the main stanchions were installed first.

 

                        post-331-0-47497000-1474985197_thumb.jpg

 

Since there was no opportunity to clamp or pin these stanchions due to their small size, a different gluing technique was used.  Glue was painted on each surface with a fine brush, and was left to set up for a few moments.  The stanchions were then pressed in place and left to dry.  This approach made the PVA glue act like a contact cement, and the stanchions were securely held in place.

 

Once the glue had dried sufficiently the bulwark planks were installed.  As with the other bulwark planks, these were first marked, pre-drilled, and copper simulated bolts were installed prior to installing the planks.  Alligator clips were used to clamp these planks in place.

 

                        post-331-0-65423500-1474985222_thumb.jpg

 

None of the stanchions came loose during this clamping – proving the strength of the bond described above.

 

After all of the planking had been installed the remaining stanchions were then installed by gluing them to the main rail and to the bulwark planking. 

 

                        post-331-0-71289300-1474985240_thumb.jpg

 

The tops of the stanchions had been left slightly oversized.  This was reduced to the final height by filing the stanchion down to the top of the bulwark planks.

 

                        post-331-0-09200100-1474985261_thumb.jpg

 

The topgallant rails were then installed by gluing to the top of the stanchions and the top edge of the bulwark planks.

 

                        post-331-0-43969000-1474985281_thumb.jpg

 

                        post-331-0-13126700-1474985300_thumb.jpg

 

                        post-331-0-70069300-1474985321_thumb.jpg

 

The replica ship has a piece of molding located above the scuppers in the area of the chainplates. 

 

                        post-331-0-41038200-1474985349_thumb.jpg

 

This molding was created by parting off the shaped edge of a piece of extra main rail stock, and was glued in place.

 

                        post-331-0-17703300-1474985369_thumb.jpg

 

The railings are now complete.  I especially like the effect on the unfinished starboard side – it no longer looks as rough as it has.

 

                        post-331-0-16835900-1474985392_thumb.jpg

 

                        post-331-0-77994000-1474985409_thumb.jpg

 

Now that the rails are finished I can turn to the details on the main deck itself.  The hatch coamings and planking need to be done before the chainplates and deadeyes can be installed.

 

Thanks everyone!

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Fine progress, Frank.  The bulwarks with the two different stanchions look great. 

 

Bob

Every build is a learning experience.

 

Current build:  SS_ Mariefred

 

Completed builds:  US Coast Guard Pequot   Friendship-sloop,  Schooner Lettie-G.-Howard,   Spray,   Grand-Banks-dory

                                                a gaff rigged yawl,  HOGA (YT-146),  Int'l Dragon Class II,   Two Edwardian Launches 

 

In the Gallery:   Catboat,   International-Dragon-Class,   Spray

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Fantastic, Frank.  I really envy you having the real thing as a guide.

 

Ed

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Fine progress, Frank.  The bulwarks with the two different stanchions look great. 

 

Bob

Thanks Bob - yes, I'm really pleased with the look now.  After the NRG Conference I'll try to get up your way and I'll bring Dunbrody.

 

 

Fantastic, Frank.  I really envy you having the real thing as a guide.

 

Ed

 

Thanks Ed.  Without the photos I don't think my Dunbrody model would be very interesting.  The plans don't show the detail that's on the replica ship, so the photos have been a big help.  I only wish I had known a little more about ships and ship modeling when I toured Dunbrody.  There are a lot more photos I would have taken.

 

 

Frank very very nice work.

 

Thank you, Albert.

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Thanks Bob  After the NRG Conference I'll try to get up your way and I'll bring Dunbrody.

 

 

That would be great.  You show me yours and I'll show you mine - the Pequot that is.

 

Bob

Every build is a learning experience.

 

Current build:  SS_ Mariefred

 

Completed builds:  US Coast Guard Pequot   Friendship-sloop,  Schooner Lettie-G.-Howard,   Spray,   Grand-Banks-dory

                                                a gaff rigged yawl,  HOGA (YT-146),  Int'l Dragon Class II,   Two Edwardian Launches 

 

In the Gallery:   Catboat,   International-Dragon-Class,   Spray

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creates a very interesting bulwark..........like the way it looks  ;)

I yam wot I yam!

finished builds:
Billings Nordkap 476 / Billings Cux 87 / Billings Mary Ann / Billings AmericA - reissue
Billings Regina - bashed into the Susan A / Andrea Gail 1:20 - semi scratch w/ Billing instructions
M&M Fun Ship - semi scratch build / Gundalow - scratch build / Jeanne D'Arc - Heller
Phylly C & Denny-Zen - the Lobsie twins - bashed & semi scratch dual build

Billing T78 Norden

 

in dry dock:
Billing's Gothenborg 1:100 / Billing's Boulogne Etaples 1:20
Billing's Half Moon 1:40 - some scratch required
Revell U.S.S. United States 1:96 - plastic/ wood modified / Academy Titanic 1:400
Trawler Syborn - semi scratch / Holiday Harbor dual build - semi scratch

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Part 46 – TopGallant Rails

 

The topgallant rails are 3 inches thick (1/16 on the model).  I decided to also make them from a single piece of stock for simplicity.  The curve of these rails was taken from the main rails before those rails were installed.

 

The topgallant rails are supported by a large number of oddly shaped stanchions.  These stanchions appear to be above each of the main stanchions, plus additional topgallant stanchions between these.

 

                        attachicon.gif00 a Shrouds and Deadeyes.jpg

 

I think these topgallant stanchions will be a striking part of the model, so I wanted them to stand out.  On the replica ship these stanchions are painted white, so I decided to use holly for them.

 

Since there are so many stanchions (52 in all) I used 4 pieces of holly glued together with ambroid glue, so that 4 were made at a time.

 

                        attachicon.gif1.jpg

 

A piece that was slightly larger than the width of a stanchion was parted off, and a drawing of a stanchion was glued to it.

 

                        attachicon.gif2.jpg

 

The bottom and the straight side were shaped using the disk sander, and the curved side was cut on the scroll saw.  These stanchions are so small there was no opportunity to do any final shaping, so accuracy in cutting the curved side was critical.

 

                        attachicon.gif3.jpg

 

The set of stanchions was then parted off, leaving a little height on the stanchions for shaping later.

 

                        attachicon.gif4.jpg

 

The set of 4 stanchions were then immersed in acetone (in a closed container) for a few minutes to dissolve the glue.

 

                        attachicon.gif5.jpg

 

This process only took a couple of hours, since making 4 stanchions at a time reduced the amount of effort involved.

 

Once all of the stanchions were manufactured, installation could begin.  A line had been drawn on the edge of the main rail to indicate the location of the outside edge of each stanchion.  The topgallant stanchions that would be located over the main stanchions were installed first.

 

                        attachicon.gif6.jpg

 

Since there was no opportunity to clamp or pin these stanchions due to their small size, a different gluing technique was used.  Glue was painted on each surface with a fine brush, and was left to set up for a few moments.  The stanchions were then pressed in place and left to dry.  This approach made the PVA glue act like a contact cement, and the stanchions were securely held in place.

 

Once the glue had dried sufficiently the bulwark planks were installed.  As with the other bulwark planks, these were first marked, pre-drilled, and copper simulated bolts were installed prior to installing the planks.  Alligator clips were used to clamp these planks in place.

 

                        attachicon.gif7.jpg

 

None of the stanchions came loose during this clamping – proving the strength of the bond described above.

 

After all of the planking had been installed the remaining stanchions were then installed by gluing them to the main rail and to the bulwark planking. 

 

                        attachicon.gif8.jpg

 

The tops of the stanchions had been left slightly oversized.  This was reduced to the final height by filing the stanchion down to the top of the bulwark planks.

 

                        attachicon.gif9.jpg

 

The topgallant rails were then installed by gluing to the top of the stanchions and the top edge of the bulwark planks.

 

                        attachicon.gif10.jpg

 

                        attachicon.gif11.jpg

 

                        attachicon.gif12.jpg

 

 

 

Now that the rails are finished I can turn to the details on the main deck itself.  The hatch coamings and planking need to be done before the chainplates and deadeyes can be installed.

 

Thanks everyone!

 

 

 

Hi Frank

 

Lovely work!  In fact, you've done such a good job on those topgallant stanchions, that their symmetry and uniformity (as shown in the eighth photo), kinda reminds me of a squad of soldiers marching in unity across the parade ground.  You know, prim, proper, perfectly straight and in-line.  

 

I guess what I'm saying, is 'nice and precise', once again, Frank!

 

Cheers

 

Patrick

Edited by Omega1234
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Thanks Patrick!  I do like the look of the little topgallant stanchions - they finish off the railings nicely.

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Beautiful work Frank.  Looking forward to seeing it again in person next week, well, and you too I suppose :P

LOL! - thanks Brian

 

 

That would be great.  You show me yours and I'll show you mine - the Pequot that is.

 

Bob

I'm looking forward to seeing the Pequot.

 

 

creates a very interesting bulwark..........like the way it looks   ;)

 

Thanks Popeye.

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Part 47 – Main Deck Coamings, Ladders, etc.

 

I’ll be bringing Dunbrody to the NRG Conference in San Diego later this week, so since the last post I’ve been focused on getting Dunbrody to a semi-completed state.

 

The hatch coamings for the main deck were completed.  Work began by clamping the coaming timbers (those that are longitudinal to the hatch) to the carlings underneath.  Since both items were the same width, this kept the sides of the coamings flush with the carlings, so that there were no obstructions in the hatch opening.

 

                        post-331-0-25414100-1475548359_thumb.jpg

 

The coamings were temporarily pinned to the carlings to keep them in place.

 

                        post-331-0-86377700-1475548370_thumb.jpg

 

Marks were made on the coamings to indicate the position of the lap joints.

 

                        post-331-0-88971800-1475548378_thumb.jpg

 

Markings were also made on the ledge timbers (the hatch timbers that run athwart ship).

 

                        post-331-0-81292500-1475548392_thumb.jpg

 

These ledge timbers are so-called because they have a ledge for supporting the planks that would serve as hatch covers.  These ledges were cut in on the milling machine set up as a router, as previously shown.

 

                        post-331-0-09069000-1475548404_thumb.jpg

 

The hatch timbers were assembled off the ship, with excess length left in place for trimming later.

 

                        post-331-0-00031100-1475548419_thumb.jpg

 

After the hatch frame was trimmed it was then glued and clamped in place.

 

                        post-331-0-62390300-1475548434_thumb.jpg

 

The same process was followed for the aft hatch, except that no ledges were cut since the aft hatch area will be fully occupied by the aft companionway.

 

                        post-331-0-41410000-1475548444_thumb.jpg

 

The forward of the two hatches (the main hatch) will also support a companionway towards the rear of that hatch.  The aftmost ledge timber for the hatch itself can be seen on the following photo approximately two thirds behind the front of the hatch.

 

                        post-331-0-66128700-1475548454_thumb.jpg

 

Deck planking was begun after the hatch coamings were installed.  Planking started at the port edge of the main hatch.  The starboard side of the deck will be left open, following the approach that has been used throughout the model.

 

                        post-331-0-38982600-1475548487_thumb.jpg

 

Some planking was also left open in the area above the sleeping platforms, to allow better viewing of the Accommodation Deck structures.  The main hatch will also be left open for this purpose.  At the same time that deck planking was under way, ladders were made for the fore and aft companionways, for access to the Accommodation Deck from the Main Deck.  The process for making ladders was explained in an earlier post.

 

                        post-331-0-93140700-1475548496_thumb.jpg

 

The hull planking was also treenailed during this work.  Treenails were made from bamboo skewers, which were split down and pulled through a Byrnes drawplate.

 

                        post-331-0-83103900-1475548506_thumb.jpg

 

                        post-331-0-15787500-1475548516_thumb.jpg

 

Finally, a mast coat with wedges was made, following the same process that was used on the Accommodation Deck.

 

                        post-331-0-19368400-1475548524_thumb.jpg

 

                        post-331-0-36914300-1475548533_thumb.jpg

 

A finish of wipe-on poly was applied to the entire hull, main deck, and railings.

 

Dunbrody has been mounted on its building board during the entire construction process.  This building board is too large for display at NRG, and it is less secure than would be appropriate for a long drive from Phoenix to San Diego.  The plans are for Dunbrody to sit on a base that is constructed as a traditional Launching Way, consisting of slipways and a launching cradle.  Since this base has not yet been started, a temporary base was constructed.  This new base was made from fairly thick timbers and has some padding for Dunbrody to sit on, so that the base can be used during any subsequent construction.

 

                        post-331-0-92374700-1475548543_thumb.jpg

 

So now Dunbrody is ready for the trip to NRG.

 

                        post-331-0-90315100-1475548553_thumb.jpg

 

                        post-331-0-04023600-1475548561_thumb.jpg

 

                        post-331-0-96530300-1475548587_thumb.jpg

 

           post-331-0-43197700-1475548596_thumb.jpg

 

There’s still a lot of work to do, once Dunbrody is back home:  Companionways fore and aft; deadeyes and chainplates for the port side; a fife rail for the main mast; spider band on the main mast; belaying pins for  the pin rails, fife rail, and spider band; bollards and mooring openings; and, finally, the permanent base as described above.

 

In the meantime, thanks everyone for being part of this enjoyable build, and I hope to see some of you in San Diego.

Edited by Mahuna
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Lovely, and have a great trip to the Conference. Wish I could be there to see the model close up!

Thanks Druxey. I'm disappointed you won't be there. Would have appreciated any observations you had to offer.

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Really nice section model, Frank

Regards Christian

 

Current build: HM Cutter Alert, 1777; HM Sloop Fly, 1776 - 1/36

On the drawing board: English Ship Sloops Fly, 1776, Comet, 1783 and Aetna, 1776; Naval Cutter Alert, 1777

Paused: HMS Triton, 1771 - 1/48

"Have no fear of perfection - you'll never reach it." Salvador Dali

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Hi Frank

 

Congratulations on getting Dunbrody to the stage where she's ready to be exhibited.

 

She certainly looks lovely and well worthy of many admiring glances from attendees at the Conference.

 

Well done!

 

Cheers

 

Patrick

Thanks Patrick.  I'm looking forward to the conference.

 

 

Really nice section model, Frank

Thank you, Christian.

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She's lovely.  Have fun at NRG.

 

Bob

Every build is a learning experience.

 

Current build:  SS_ Mariefred

 

Completed builds:  US Coast Guard Pequot   Friendship-sloop,  Schooner Lettie-G.-Howard,   Spray,   Grand-Banks-dory

                                                a gaff rigged yawl,  HOGA (YT-146),  Int'l Dragon Class II,   Two Edwardian Launches 

 

In the Gallery:   Catboat,   International-Dragon-Class,   Spray

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is there a competition there.........ribbons or such?    blue ribbon for sure  ;)    have a great time!   wonderful model!

I yam wot I yam!

finished builds:
Billings Nordkap 476 / Billings Cux 87 / Billings Mary Ann / Billings AmericA - reissue
Billings Regina - bashed into the Susan A / Andrea Gail 1:20 - semi scratch w/ Billing instructions
M&M Fun Ship - semi scratch build / Gundalow - scratch build / Jeanne D'Arc - Heller
Phylly C & Denny-Zen - the Lobsie twins - bashed & semi scratch dual build

Billing T78 Norden

 

in dry dock:
Billing's Gothenborg 1:100 / Billing's Boulogne Etaples 1:20
Billing's Half Moon 1:40 - some scratch required
Revell U.S.S. United States 1:96 - plastic/ wood modified / Academy Titanic 1:400
Trawler Syborn - semi scratch / Holiday Harbor dual build - semi scratch

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