How to draw the Titanic

My story with Titanic dates back to 1998, when I first saw the well awarded movie from James Cameron. The movie itself impressed me so much that I had to watch it over and over again. At that time I had very limited resources, like no internet, I couldn't speak English at all but I found a book in the school library describing this huge, enormous ship. The book is from the Eyewitness series; Titanic by Simon Adams.

The following captures are courtesy of this book with my edition and translations, due to the fact that I had a Hungarian version. Therefore you might find dissimilarities of the names depicted.

The book contains a four pages, well detailed, starboard side view of the ship. It serves a good reference for a 6-years-old to copy the pictures and draw it in a good look. I even have my old drawings today and I still remember the excitement while drawing it. From windows to 'every rivet' that I saw on the photos, I drew. Taking four A4 size pages, sticking them together, it became my masterpiece. Now as an engineer student I have better tools and knowledge that I always dream of redrawing the ship with advanced software. You can buy now all kinds of blueprints, deck-plans, engineering drawings of Titanic that it is a matter of time only. I only would like to give here a small glance to these pictures from the book. It gives a nice side-view of the ship with a few elements described. For me it took a bit of time to accurately translate the text from the Hungarian translation, so to say I translated 'back to original'. I can assure that the names are authentic with their English names, since I used over 300 websites to find out about the correct words. At some point I really felt my lack of knowledge in Marine Engineering but many words I learned this was. I hope you find it as useful as I did in '98.

Resources: Titanic - Simon Adams, Eyewitness book series Hungarian version

                   Front picture: Robert Hahn, Titanic Research and Modeling Association

Specific film thickness

Non-conforming contacts (in which the shapes of the bodies are dissimilar enough that under zero load, they only touch at a point or along a line and the stresses are highly concentrated in this contact area) such as; gear teeth, cam-follower joints and rolling-element bearings (balls, rollers) can operate in three modes of lubrication:

• boundary,
• mixed,
• EHD.

The specific film thickness is a principal factor that determines which of these situations will occur. It is denoted as: Λ.

Λ is defined as the ratio of minimum film thickness at the patch center to the composite rms (root mean square) surface roughness of the two surfaces.

, where

h_c – film thickness at center of contact patch
R_1q, R_2q  – rms average roughness of two contacting surfaces.

Λ<1 – the surfaces are in continuous metal-to-metal contact (i.e. boundary lubrication)

Λ>3÷4 – there is essentially no asperity contact

Figure below shows the experimentally measured frequency of asperity contact. Within an EHD gap as a function of specific film thickness.

Figure 10-13.
Effect of Specific Film Thickness Λ on the Asperity Contacts and Fatigue Life

It also shows the effect of specific film thickness on fatigue life of a rolling bearing.

Reference: Machine Design An Integrated Approach, 4th edition - Robert L. Norton