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28-foot Steam cutter on the James White System (1876) by vladislemm - Piroscaf & Co Scale Models - 1:24 - by Vladislav Lemm


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Do you know the reason behind diagonal planking? Was it stronger somehow? Horizontal planks give the ship strength and rigidity, I’ll assume diagonal planks do the same, but what was the specific reasoning behind diagonal planks? 

Current Builds:

Flying Fish - Model Shipways - 1:96

 

Future Builds:

Young America 1853 - Scratch Build - 1:72

 

Completed Builds:

HMS Racehorse - Mantua - 1:47 (No pictures unfortunately)

Providence Whale Boat - Artesania Latina - 1:25 (Also no pictures)

Lowell Grand Banks Dory - Model Shipways - 1:24

 

Shelved Builds:

Pride of Baltimore 2 - Model Shipways - 1:64 (Also no pictures)

 

 

 

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On 12/25/2020 at 10:26 PM, Keithbrad80 said:

Do you know the reason behind diagonal planking? Was it stronger somehow? Horizontal planks give the ship strength and rigidity, I’ll assume diagonal planks do the same, but what was the specific reasoning behind diagonal planks? 

It is designed for covering the hulls of boats, which should have the greatest transverse and longitudinal strength.

Edited by vladislemm
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Beautiful planking job! What are the dimensions of this model?

Bob Garcia

"Measure once, cuss twice!"

 

Current Builds: 

Hms Brig-Sloop Flirt 1782 - Vanguard Models

Pen Duick - Artesania Latina 1:28

 

Completed: Medway Longboat 1742 - Syren Ship Model Co. 

Member of the Nautical Research Guild

 

 

 

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Fantastic plank job so far! Very interesting build so far. 
 

Bradley

Current Builds:

Flying Fish - Model Shipways - 1:96

 

Future Builds:

Young America 1853 - Scratch Build - 1:72

 

Completed Builds:

HMS Racehorse - Mantua - 1:47 (No pictures unfortunately)

Providence Whale Boat - Artesania Latina - 1:25 (Also no pictures)

Lowell Grand Banks Dory - Model Shipways - 1:24

 

Shelved Builds:

Pride of Baltimore 2 - Model Shipways - 1:64 (Also no pictures)

 

 

 

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A very clean looking model, nice planking work.

 

Michael

Current builds  Bristol Pilot Cutter 1:8;      Skipjack 19 foot Launch 1:8;       Herreshoff Buzzards Bay 14 1:8

Other projects  Pilot Cutter 1:500 ;   Maria, 1:2  Now just a memory    

Future model Gill Smith Catboat Pauline 1:8

Finished projects  A Bassett Lowke steamship Albertic 1:100  

 

Anything you can imagine is possible, when you put your mind to it.

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BEAUTIFUL work!...Moab

Completed Builds:

Virginia Armed Sloop...Model Shipways

Ranger...Corel

Louise Steam Launch...Constructo

Hansa Kogge...Dusek

Yankee Hero...BlueJacket

Spray...BlueJacket

26’ Long Boat...Model Shipways

Under Construction:

Emma C. Berry...Model Shipways

 

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On 12/25/2020 at 11:26 AM, Keithbrad80 said:

Do you know the reason behind diagonal planking? Was it stronger somehow? Horizontal planks give the ship strength and rigidity, I’ll assume diagonal planks do the same, but what was the specific reasoning behind diagonal planks? 

Actually, the diagonally layered planking such as in this boat had a layer of muslin or calico set in thick shellac or white lead between the planking layers. This created a sort of early cold-molded hull which resisted opening up when stored above a ship better than standard carvel planking did. This reduced, if not eliminated the need to launch and tow ("stream") the ship's boats regularly to keep them from leaking when dried out. It was very common on ship's launches and lifeboats and lifesaving boats stored ashore in this period.

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According to my German 1878 textbook on (naval) boatbuilding, the diagonal planking was up to 30% lighter, than a carvel-planked boat and even more so for a lap-strake built one. However, building costs were higher and they are also more difficult to repair. The diagonal-carvel system (as in this example) was used particularly, when the hull was to be (partially) varnished on the outside, rather than painted all over. A tropical hardwood was preferred for the inner planking to better resist rotting - it would have been very difficult to replace inner planking without essentially dismantling half of the boat.

 

The model is coming on nicely. It's a pity that not much of the inner diagonal strakes will be visible at the end.

wefalck

 

panta rhei - Everything is in flux

 

 

M-et-M-72.jpg  Banner-AKHS-72.jpg  Banner-AAMM-72.jpg  ImagoOrbis-72.jpg
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