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Plans for merchant ships and merchant ship conversions

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  • Member since
    May 2010
Plans for merchant ships and merchant ship conversions
Posted by amphib on Saturday, July 10, 2010 7:43 AM

Over and over I see a common thread of those wanting to convert an available plastic model to a specific ship.

If you google nmah ship plans you will get to a Smithsonian site that has the plans for all sort of ships. They are in three catagories: Water Craft, Warships mid 18th century to 1900, and the Marad Collection of Ship Plans.

The Marad collection contains the plans for 55 ship types built from 1939 to 1970 including the victory, liberty, C-3 and C-4 ships in their various cargo and military configurations. (Sorry no C-3 conversions to aircraft carriers). Also the T-2 and T-3 tankers.  These plans are what were used to build the actual ships and are not reconfigured with model makers in mind. Generally there are around 20 sheets per ship and big - like 3 feet by 8 feet. There also are 50 sheets of drawings for the SS United States.

The mailing address is: Ship Plans, Smithsonian Institution, Maritime Collections, NMAH 5004/ MRC 628, P.O. Box 37012, Washington, DC 20013-7012, USA

There is a comprehensive index for the Marad Collection - some 70 pages.  I don't know what the current price is.

  • Member since
    March 2007
  • From: Carmel, CA
Posted by bondoman on Saturday, July 10, 2010 9:30 AM

That is my primary source, and thanks for putting the addie up. Another good source is Floating Drydock, where I got the CVE drawings I'm using.

The Smithsonian drawings are configuration drawings and generally are at 1/192, or 1/16" = 1' -0". They also are not detailed enough for the scratch builder as they don't have all of the station drawings, but they sure fit the bill for kit bashing the Revell flat bottomed kits.

My photo source of choice is

http://www.usmaritimecommission.de/

I've gotten lost in there for days.

  • Member since
    May 2010
Posted by amphib on Saturday, July 10, 2010 9:57 AM

Well Bondo you've got me scratching my head. The MARAD collection has detailed drawings for most of the ships. For instance for the Haskell class APAs there are 22 drawings. They vary in scale from 1/16" - General Arrangement, to 3" for the propeller. For our purposes the best are the Deck Plans drawn at 1/8", the Rigging Plans drawn at 1/4" and the Lines Plan drawn at 1/4" The Lines Plan has sections taken at both frames and stations. I'm not sure what more you could ask for. You could build the full size ship from these drawings. In fact my daughter, who is a naval architect, used these drawings to take apart an APA in Baltimore a couple of years ago.

Unfortunately the collection only contains plans for commercial ships that were adapted to military purposes. I suppose the Navy still considers some of their design to be state secrets.

BTW the usmaritimecommission site looks interesting although I haven't had a chance to really look at it.

  • Member since
    March 2007
  • From: Carmel, CA
Posted by bondoman on Saturday, July 10, 2010 10:11 AM

Don't scratch too hard. I hadn't seen those line drawings etc. sounds like the real deal. What's your current project? I'm a little stalled on the CVE because of other projects, but I'd like to get back to it.

The USMC site is a good one, once you figure out how to get around in it. I don't know of any one best way, but generally I start by shipyard; it seems to be the most forgiving search window, and with only a handful of yards to choose from brings up nice long lists of ships PDQ.

  • Member since
    May 2010
Posted by amphib on Saturday, July 10, 2010 12:45 PM

Well Bondoman this may come as a surprise.

My current project is rebuilding a 1942 Ford wood bodied station wagon. Sitting and waiting for that to get done is a 2 3/8" scale live steam locomotive entirely scratch built. It's nine feet long, about 18" wide and 2 feet high and about 80% complete. Just needs some piping and odds and ends before we raise steam.

Years ago I built the Montrose kit right out of the box but was never happy with the modified hull. So I bought another kit and put it on the shelf intending to do it right this time. This winter I sat down and redrew on the computer the lines plan and scaled it down to the size of the Revell hull. The hull is done and I am slowly adding the superstructure when I have a half hour to kill. I found the fine build web site and have been enjoying the comments made by others and adding my own when I can. Don't think I'll ever become a dedicated plastic modeller though.

  • Member since
    March 2007
  • From: Carmel, CA
Posted by bondoman on Saturday, July 10, 2010 2:38 PM

I'm an old model railroader and current railfan. What is your locomotive model?

  • Member since
    May 2010
Posted by amphib on Saturday, July 10, 2010 4:24 PM

Bondoman

My loco is a Sandy River & Rangely Lakes 2 foot gauge 2-6-2 #24 being built to run on 4 3/4" track.

  • Member since
    August 2008
Posted by tankerbuilder on Thursday, August 5, 2010 5:44 PM

Hello,AMPHIB.I do have to say you have stirred a pot here.I found the best way to do ships based on available model hulls is as easy as going to the closest port with your camera and click away.I have seen in my years as a REAL tanker skipper so many oddball conversions to hulls it would take your breath away!. The GREEK and ITALIANS as well as some others were very into this for years.The reason.Well, say you wanted a reasonably cheap basis for an odd flag cargoliner or just small liner?? Where else but the U.S. and the sales of hulls(bottoms,in the trade) are helped along by reasonably well cared for mothball ships.USUALLY, they can be made safe and operational in their new configuration than a NEW keel up build.This means A LOT CHEAPER THAN NEWBUILDS!!! The OIL SPILL command boats I am familiar with started as anchor handling vessels that never saw an oil rig anchor on their decks!! that is the best modern example I can make. Then  there is a container ship company that goes to ALASKAN ports and those first vessels were modified from C-3s and newer marad hulls! that,s it for my input .catchya later   tankerbuilder

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