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Author Topic:   Book on Hull Design

tlynch posted 09-18-2002 02:16 AM ET (US)
Can anyone recommend a book that discusses hull design, especially relating to planing hulls such as a whaler? etc...

LilSniffWhaler posted 09-18-2002 06:17 AM ET (US)
Um...do you mean a classic? becuase the classics and some of the recents are cathedral hulls and the rest are accutrack(r) hull styles.
tlynch posted 09-18-2002 12:05 PM ET (US)
I would like a book that would let me know what the difference between the two is! What are the benifits/drawbacks of a Catheral hull and whay? What are the benifits/drawbacks of an accutrak hull and why? And what are the other options for hull design?
I just thought that there might be a classic book on hull design the would provide insight into why some people consider some Whalers to be greatly designed boats.
DaveH posted 09-19-2002 09:13 AM ET (US)
tlynch:
Introduction to Naval Architecture
by Thomas Gillmer and Bruce Johnson
This book explains hull design fairly well for the non-engineer as well as a first time designer. The is no reference to the Whaler design but rather planing hulls versus displacement. If you're really gung-ho, I could help you decifer the formulae. Then you could search out material that delves deeper into the benefits of each planing type...you must first crawl before you walk.
tbyrne posted 09-19-2002 10:11 AM ET (US)
Be sure to look into "Hickman Sea Sleds" and "C. Raymond Hunt." The former is the boat that got Dick Fisher started on Whalers and the latter was the most significant boat designer of the 20th Century, who worked with Fisher to design the first Whalers.
Jerry Townsend posted 09-19-2002 11:26 AM ET (US)
tlynch - realize that the term "classic" is not found in naval design references and is principally found in this web-site. Also, the term "accutrack" is a Whaler copyrighted term referring to a propietary design. As such, neither "classic" or "accutrack" will not be found in naval design references.
"Classic" and "accutrack" hulls are planning hull designs, each with advantages and disadvantages. I am not a naval design engineer - but the Whaler hulls up to about 13 incorporate twin sponsons, while on the hulls up to about 17, the Whaler sponsons decrease in size and a more predominant "V" design is incorporated, and for the larger Whalers (some 17s and above), the sponsons are virtually gone and the design is predominately a "deep V". The reason is that the larger boats have wider hulls and heavier and therefore rely less on the sponsons for stability and the "deep V" is of benefit in cutting through rough water.
The book DaveH recommends is one of the better references addressing naval design topics/subjects. DaveH also mentioned in a previous subject discussion, a relatively large number of research reports addressing vessel and propeller design issues. I'll have to dig that information out and will get it to you.
tlynch posted 09-19-2002 02:03 PM ET (US)
Thanks guys, I will start by reading Introduction to Naval Architecture.
Thanks,
Todd

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Author	Topic: Book on Hull Design
tlynch	posted 09-18-2002 02:16 AM ET (US) Can anyone recommend a book that discusses hull design, especially relating to planing hulls such as a whaler? etc...
LilSniffWhaler	posted 09-18-2002 06:17 AM ET (US) Um...do you mean a classic? becuase the classics and some of the recents are cathedral hulls and the rest are accutrack(r) hull styles.
tlynch	posted 09-18-2002 12:05 PM ET (US) I would like a book that would let me know what the difference between the two is! What are the benifits/drawbacks of a Catheral hull and whay? What are the benifits/drawbacks of an accutrak hull and why? And what are the other options for hull design? I just thought that there might be a classic book on hull design the would provide insight into why some people consider some Whalers to be greatly designed boats.
DaveH	posted 09-19-2002 09:13 AM ET (US) tlynch: Introduction to Naval Architecture by Thomas Gillmer and Bruce Johnson This book explains hull design fairly well for the non-engineer as well as a first time designer. The is no reference to the Whaler design but rather planing hulls versus displacement. If you're really gung-ho, I could help you decifer the formulae. Then you could search out material that delves deeper into the benefits of each planing type...you must first crawl before you walk.
tbyrne	posted 09-19-2002 10:11 AM ET (US) Be sure to look into "Hickman Sea Sleds" and "C. Raymond Hunt." The former is the boat that got Dick Fisher started on Whalers and the latter was the most significant boat designer of the 20th Century, who worked with Fisher to design the first Whalers.
Jerry Townsend	posted 09-19-2002 11:26 AM ET (US) tlynch - realize that the term "classic" is not found in naval design references and is principally found in this web-site. Also, the term "accutrack" is a Whaler copyrighted term referring to a propietary design. As such, neither "classic" or "accutrack" will not be found in naval design references. "Classic" and "accutrack" hulls are planning hull designs, each with advantages and disadvantages. I am not a naval design engineer - but the Whaler hulls up to about 13 incorporate twin sponsons, while on the hulls up to about 17, the Whaler sponsons decrease in size and a more predominant "V" design is incorporated, and for the larger Whalers (some 17s and above), the sponsons are virtually gone and the design is predominately a "deep V". The reason is that the larger boats have wider hulls and heavier and therefore rely less on the sponsons for stability and the "deep V" is of benefit in cutting through rough water. The book DaveH recommends is one of the better references addressing naval design topics/subjects. DaveH also mentioned in a previous subject discussion, a relatively large number of research reports addressing vessel and propeller design issues. I'll have to dig that information out and will get it to you.
tlynch	posted 09-19-2002 02:03 PM ET (US) Thanks guys, I will start by reading Introduction to Naval Architecture. Thanks, Todd