tag:blogger.com,1999:blog-6261993076995357307.post3188946255530378986..comments2023-11-05T06:16:56.961-05:00Comments on the Carpentry Way: This One Rings a Bell (10)Anonymoushttp://www.blogger.com/profile/14328401081765407624noreply@blogger.comBlogger7125tag:blogger.com,1999:blog-6261993076995357307.post-46150888737390655452017-03-03T08:16:24.749-05:002017-03-03T08:16:24.749-05:00Frank,
thanks for the comment. I also have the ne...Frank,<br /><br />thanks for the comment. I also have the new expanded edition of Togashi's roof layout book. The first edition effectively went out of print when the publisher Rikogakusha went out of business. He found another publisher., Ohmsha.<br /><br />In regards to drawing curves for part, in no case that I am aware of is a simple circular arc used. If you send me an email I'll illustrate a few methods - when I get a spare moment.<br /><br />~CAnonymoushttps://www.blogger.com/profile/14328401081765407624noreply@blogger.comtag:blogger.com,1999:blog-6261993076995357307.post-62672170503273558662017-03-03T04:12:23.034-05:002017-03-03T04:12:23.034-05:00Hi Chris,
In regards to the question I asked earl...Hi Chris,<br /><br />In regards to the question I asked earlier, I realized it may have been phrased a little confusing. As an example, in the case of the hijiki arms, Togashi-san's temple pattern book already gives direct proportions for me to reference. Thus I have all the proportions marked and the curve's 2 endpoints calculated already in my drawings; the only thing left is to connect the 2 endpoints by a curve. The hilarious part is I'm reluctant to connect those two points because I'm thinking there may be a specific method to actually draw the curve itself given two endpoints. At the same time, I'm also thinking maybe its just common sense; connect the two points with just an arc. This reluctance to connect the two endpoints of a curve also exists in other parts of my drawings such as the hafu-ita, curved decorative rafters, the curves on the bottom of pillow blocks etc; all involves that I already have the proportions and guidelines drawn, only connecting 2 dots with the curve is missing.<br /><br />I am sure that you are still very busy. My intention is not to be pushy; I just wanted to let you know I'm still interested in hearing the titles to the books that may answer my questions about these curvatures. I am totally fine in waiting and giving gentle reminders periodically. I am not designing these buildings for any client anyways, rather its a serious hobby and as such, I have no deadlines to follow. I am thinking will it be ok if I contact you via email? It seems pointless to fill the comment sections with reminders in my view.<br /><br />On a side note, a new edition of Togashi's Roof Layout book came to my attention a few weeks back (木造建築 屋根工法墨付け図解). I ordered it since the book was supposed to be out of print as I understood. The interesting thing is I found an error in one of his sumigi drawing (I think it might be the same error you found that you mentioned in one of you blog post). Apparently the problem is that one of the markings for an intersection point between guidelines is placed incorrectly. I would have thought that the error would have been corrected for a new edition to be out? Besides that minor error, the book is a solid resource on drawing roofs.<br /><br />Hope you have a speedy recovery.<br /><br />Regards,<br />FrankAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6261993076995357307.post-77106959778360281782016-07-19T18:21:23.504-04:002016-07-19T18:21:23.504-04:00Frank,
I don't know if you realize it but I h...Frank,<br /><br />I don't know if you realize it but I have a newborn and my time and mental energy is rather limited at present. <br /><br />Slopes for rafter can be more refined decimals, like 2.65/10, 3.05/10, etc.<br /><br />~CAnonymoushttps://www.blogger.com/profile/14328401081765407624noreply@blogger.comtag:blogger.com,1999:blog-6261993076995357307.post-18317245657696714972016-07-19T16:24:46.525-04:002016-07-19T16:24:46.525-04:00Hi Chris,
In addition to the my questions posted ...Hi Chris,<br /><br />In addition to the my questions posted above, there is another layout problem regarding two tier rafter work that has been on and off my mind for the past year or so. It involves the slope of the flying rafters. From Togashi's book, he gives specific slopes that can be written using whole numbers; something like 3/10 etc. However, a paper that I read, specifically the diagram on page 233 (page 245 if using Adobe Acrobat's page system) of the following:<br /><br />http://dlisv03.media.osaka-cu.ac.jp/infolib/user_contents/kiyo/111TD0000174.pdf<br /><br />The author of the paper classified the 2 tier rafter layouts into 3 categories; A, B, and C. It seems that in those layouts, a horizontal line is marked out to denote the elevation of the kayaoi. This, in turn, invariably determines the slope of the flying rafters. From my observations, and also when I tried implementing those layouts in my drawings, the slope of the flying rafter needs decimal numbers in order for the kayaoi to intersect the aforementioned horizontal lines. As mentioned earlier, Togashi uses whole numbers for slopes and as such, none of his diagrams match any of the 3 categories from the paper above. Can slopes of flying rafters contain decimals instead of whole numbers? Does the 3 categories listed in the paper exists in other Japanese texts so I can confirm its authenticity?<br /><br />Still waiting for the book recommendations from earlier ;).<br /><br />Regards,<br />Frank<br /><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6261993076995357307.post-64424611031125349162016-06-30T21:53:11.286-04:002016-06-30T21:53:11.286-04:00Hi Chris,
Thanks for the quick response. I am pl...Hi Chris,<br /><br />Thanks for the quick response. I am planning on ordering more books from Japan starting next week or so to add to my collection. I am very excited to hear your recommendations as soon as you are back (fingers crossed that they are not out of print yet :) )<br /><br />FrankAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6261993076995357307.post-72301257179781460852016-06-30T21:32:57.163-04:002016-06-30T21:32:57.163-04:00Frank,
thanks for the question. Yes, there are sp...Frank,<br /><br />thanks for the question. Yes, there are specific methods to derive the proportions and curvature of the hafu-ita, the shape of the bottom of hijiki, curved decorative rafters, and so forth. These methods are varied, just as proportioning systems are varied. Bargeboards curve and they also swell and shrink along different parts of their length. The methods for deriving eave edge curve or field rafter curve should not be applied to other areas. <br /><br />I am away from my desk right now so I can no lay my hands on any specific book titles for you from memory alone. A lot of the stuff I have is either out of print now, or photocopied from books which are out of print, so I´m not sure how helpful the titles would be anyhow.<br /><br />~CAnonymoushttps://www.blogger.com/profile/14328401081765407624noreply@blogger.comtag:blogger.com,1999:blog-6261993076995357307.post-39099101334315159902016-06-30T20:13:01.759-04:002016-06-30T20:13:01.759-04:00Hi Chris,
With respect to the topic on "geom...Hi Chris,<br /><br />With respect to the topic on "geometric techniques" used to produce curves on Japanese roofs. From my inventory of books, I am able to extract two methods:<br /><br />1.) The technique that produces the curve at the eave edge. (kayaoi & fukiji etc)<br />2.) The technique that produces the curve of the high pitched hidden rafter.<br /><br />The books I have, however, did not mention how to generate the curves for the gable barge board. Is it safe to assume that I can use technique #2 to generate the curve for the hafu-ita?<br /><br />Also, other areas that have curves, such as the decorative rafters as well as the bottom outline of the hijiki of the brackets. Is there specific techniques to generate curves for these pieces? Or is it acceptable to use any of the method above. It would be great if I can get recommendations on book(s) that cover these problems.<br /><br />Regards,<br />FrankAnonymousnoreply@blogger.com