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Details of Fittings: Capstan, rudder, bitts, catheads, partners, gratings, hatchways, ladders etc.

  • Thread starter Thread starter Uwek
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Great post. What about bitts, catheads, patners etc.? I am particularly interested in hatchways and gratings just at the moment.
 
Sylph VI said:
I am particularly interested in hatchways and gratings just at the moment.
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There was no doubt some variations over time, nationality, etc. In general the coamings and head ledges had a specific joinery at the corners not to mention rounding of the corners above the level of the deck planking and round up of the head ledges that generally was more severe than the round up of the deck itself. Gratings were also built in a particular way with ledges and battens. Not sure what exactly you are looking for but perhaps the drawings and photo below will be helpful.
Allan

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AllanKP69 said:
There was no doubt some variations over time, nationality, etc. In general the coamings and head ledges had a specific joinery at the corners not to mention rounding of the corners above the level of the deck planking and round up of the head ledges that generally was more severe than the round up of the deck itself. Gratings were also built in a particular way with ledges and battens. Not sure what exactly you are looking for but perhaps the drawings and photo below will be helpful.
Allan

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Thanks Allan, that is exactly what I was after. Pity I did not have this info a long time ago because most of my hatches are wrong.
A question: you show the head ledge as having camber on it. Would this have been the case with hatches fitted with grates? Surely the grates were not cambered, so why camber the head ledge?
 
Last edited:
A question: you show the head ledge as having camber on it. Would this have been the case with hatches fitted with grates? Surely the grates were not cambered, so why camber the head ledge?

Hi Sylph
Based on contemporary models the gratings round up (camber) was the same as the head ledge, they were not flat except perhaps where the head ledges had no round up on the orlop deck. The amount changed for each deck and over time, but the only contemporary mention I have seen is in contracts and give no dimensions that I have seen so far.

Contemporary models show this clearly. Examples of models at Preble Hall show this.
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Also, the height above the deck varied with era and ship. As they were comparatively low in earlier times, in 1795 the Navy Board ordered that they must be from 15 inches to 18 inches above deck level rather than the earlier common heights of 6 inches to 10 inches. If you make the gratings the way they were made on the actual ships it is easy to create the curvature needed when assembling the ledges and battens of the grating. If you are working with the gratings found in many kits, it is not hard to sand the curve to match the head ledges.
Allan
 
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AllanKP69 said:
A question: you show the head ledge as having camber on it. Would this have been the case with hatches fitted with grates? Surely the grates were not cambered, so why camber the head ledge?

Hi Sylph
Based on contemporary models the gratings round up (camber) was the same as the head ledge, they were not flat except perhaps where the head ledges had no round up on the orlop deck. The amount changed for each deck and over time, but the only contemporary mention I have seen is in contracts and give no dimensions that I have seen so far.

Contemporary models show this clearly. Examples of models at Preble Hall show this.
View attachment 521758
View attachment 521759

Also, the height above the deck varied with era and ship. As they were comparatively low in earlier times, in 1795 the Navy Board ordered that they must be from 15 inches to 18 inches above deck level rather than the earlier common heights of 6 inches to 10 inches. If you make the gratings the way they were made on the actual ships it is easy to create the curvature needed when assembling the ledges and battens of the grating. If you are working with the gratings found in many kits, it is not hard to sand the curve to match the head ledges.
Allan
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Once again thank you Allan for taking the time to answer my questions in so much detail. Clearly I am a relative novice to building POF models and, as mentioned, when I started my 12 gun brig many years ago the internet did not exist and I did not have access to research resources with this kind of information (such as contemporary models - though I did vist the Greenwich Maritime Museum many years ago). I am trying to balance time spent researching and just getting on with it, as my level of build is just not going to be up to these standards, but I will do my best.
 
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