Deck lines on sheer plan

[3DShipWright]

Hey folks,

 

Super simple question here that I probably should, but don't, know the answer to:

 

On the plan below (HMS Pandora), are the dashed deck lines represent the middle of the decks, or the point at which the decks meet the inner hull/planking? I know the decks are crowned slightly and have a cross-fall out to the waterways, so I'm asking if the lines represent the crowning of each deck or the cross-fall. I'm guessing the crowning, but just want to confirm.

 

Thank you all,

-Nate

 

 

[druxey]

This is a problem with modern re-drafted plans - unless it's stated one doesn't know!  Contemporary plans show both the line of beams at the side and centreline. In this case you don't even have a line of ports to give you a clue. The Royal Museums Greenwich hold a sheer and profile of the Pandora class:

 

https://www.rmg.co.uk/collections/objects/rmgc-object-83477?_gl=1*1l5sqqk*_up*MQ..*_ga*NTU5MTEyMTE3LjE3MzE2NzU5NTI.*_ga_7JJ3J5DBF6*MTczMTY3NTk1MS4xLjEuMTczMTY3NTk3NS4wLjAuMA..*_ga_4MH5VEZTEK*MTczMTY3NTk1MS4xLjEuMTczMTY3NTk3NS4wLjAuMA..

 

This would be a more reliable starting point for you.

[3DShipWright]

@druxey - Thank you so much! Yeah, I agree. Good news is I started this build using RMG plans wherever possible. However, I didn't in this case because I wasn't sure how much internal variation can exist between ships in the same class (i.e. Porcupine vs. Pandora) and I thought the RMG only had the Porcupine on their site - I might've just missed Pandora's though.

 

Regardless, I'll use the image you provided. It's also got the benefit of being a continuous plan, so I don't have to worry about scaling and accounting for distortion separately on both halves of the ship (a true nightmare lol).

 

Thanks again,

-Nate