tag:blogger.com,1999:blog-8638765920957629245.post3990503379220046721..comments2024-03-18T03:49:33.323+10:00Comments on Ross Lillistone Wooden Boats: Photos of a Good Flat-Bottomed SkiffRoss Lillistonehttp://www.blogger.com/profile/04365414347565560334noreply@blogger.comBlogger13125tag:blogger.com,1999:blog-8638765920957629245.post-17291226455965817082018-01-24T22:56:56.128+10:002018-01-24T22:56:56.128+10:00i am for the first time here. I found this board a...i am for the first time here. I found this board and I in finding It truly helpful & it helped me out a lot. I hope to present something back and help others such as you helped me.<br /><a href="https://www.tripadvisor.com/Attraction_Review-g152515-d11750472-Reviews-Day_Yacht_Charters-Cabo_San_Lucas_Los_Cabos_Baja_California.html" rel="nofollow">Cabo San Lucas yacht Rentals</a><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-30385934128200557652016-01-19T21:21:55.469+10:002016-01-19T21:21:55.469+10:00Good job. This is very nice post. I like your post...Good job. This is very nice post. I like your post. Its fantastic. Thanks a lot for share and that's my request please share me more post in future. <a href="http://www.weedcontrolfabrics.uk/" rel="nofollow">weed control fabrics uk</a>Anonymoushttps://www.blogger.com/profile/15034242573427610085noreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-82966070105100577392014-02-26T20:20:30.513+10:002014-02-26T20:20:30.513+10:00Its Brilliant online shopping store for home equip...Its Brilliant online shopping store for home equipments .<a href="http://amustneed.com/see-through-bottom-canoe/" rel="nofollow">Flat Bottom Canoe</a> is so good.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-31363023678351132022014-01-15T14:04:02.407+10:002014-01-15T14:04:02.407+10:00The Mayfly is my goal, having experimented first w...The Mayfly is my goal, having experimented first with a smaller skiff. My own struggle with external chine logs ended after my first cartop and launch. Handling the boat out of water was much easier with external chine log "handles". It mayn't fly but it will take me where I want to camp. beforetimehttps://www.blogger.com/profile/11440670942498642035noreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-51763480948943312752013-10-25T18:42:25.051+10:002013-10-25T18:42:25.051+10:00Thanks for shearing this blog about Flat Bottom Ca...Thanks for shearing this blog about <a href="http://amustneed.com/see-through-bottom-canoe/" rel="nofollow"><b>Flat Bottom Canoe</b></a>Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-61614792152862832402011-08-10T07:59:40.703+10:002011-08-10T07:59:40.703+10:00Graeme,
Thanks very much for writing back with yo...Graeme,<br /><br />Thanks very much for writing back with your well reasoned comment. I have already started a new post on this subject, and I'll re-print your reply and give my further opinions there. <br /><br />For me, the most important part of what you have written is contained with in the little verse after your sign-off. It has astonished me just how much information Phil Bolger was able to convey in his brief essays. <br /><br />I find that the books (and other writings) are yeilding up information even though I've read many of them for twenty or thirty years. However, that may just mean that I am a very slow learner....<br /><br />Ross LillistoneRoss Lillistonehttps://www.blogger.com/profile/04365414347565560334noreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-40340101386452163092011-08-10T02:41:45.742+10:002011-08-10T02:41:45.742+10:00Yes but... Poohsticks is design 10-5-57, ie from t...Yes but... Poohsticks is design 10-5-57, ie from the early numbering sytem Bolger used (most of that series originals and other early independent Bolger work destroyed in an unfortunate office fire.) It's almost certain the Poohsticks design was completed in 1957. The date of the write-up about it is not clear to me, but the thinking behind it may well be contemporaneous with its design.<br /><br />The Light Dory Type V is from the later adopted numbering system, post fire, and denoted as design #265 [there are eight types of Bolger light dory (counting the larger ones #526, #555) as modified from #140 (types -1 to -6) and on; #140-4 being the Orrell famed "Gloucester Gull" version, and #140-6 Payson's "Gloucester Light Dory"]. <br /><br />Dynamite Payson first built a #140-4 in 1967 (Bolger drew #140-6 for Payson's plans sales business much later in the 1970's due to issues with Orrell and proprietry rights. However, what goes around... later, upon Orrell's death, Payson successfully purchased all Orrell plan rights, and passed most of the Bolger blueprints/rights back to Bolger!). The Type V, #265, the only one with external chine logs was certainly designed around 1973 specifically for publication in "Small Boats." <br /><br />Now, to our points of difference: if, as you seem to imply, the 1957 Bolger conjecture (with his obvious caveat) that a chine log "reduces eddying along under the chine by carrying the side flow aft......" is evidence of, as you say, a "Phil Bolger theory that if the hull was properly shaped, an external chine log may reduce drag", then, repectfully, I must disagree for the reasons that follow. <br /><br />First, in my view it's a bit too much of a stretch to turn a Bolger conjecture into a Bolger theory. Bolger raised so many conjectures throughout his career, sometimes with wry humour, often with a caveat as here, yet when he stated his theory in any way he was quite serious, and unreservedly adamant (a good example is at page 50 of "Small Boats" "My flow theory accounts for this...")<br /><br />Second, sixteen years elapse between Poohsticks and the Light Dory Type V, by which time clearly Bolger is not stating an exterior chine log reduces drag, rather that he merely thinks it may not add to it. <br /><br />Third, a further nine years later still, in 1982, of the projecting edge of the bottom of Lions Paw #404 ("30-ODD BOATS", p97), which is an excrescence effectively the same as an external chine log, Bolger stated that it "doesn't seem to create much added drag in a hull of these proportions". Unlike Poohsticks, or LDT V, the Lions Paw hull is certainly shaped according to his theory as applicable to sharpies to minimise eddying flow at the chine, ie to minimise drag, yet overall the chine excrescence does result in added drag despite it somewhat fencing cross chine flow (in this design it is tolerated for other reasons).<br /><br />Fourth, well, admittedly not a reason carrying much weight, but allegedly the LDT Type VI actually is a bit faster than the LDT Type V. There is more going on in the way of design modifications to produce the Type V than just the external chine logs, but perhaps the fact is that they don't help either? (Type VIs have been built with external chine logs too. As far as I know there's been no comparison made with a standard VI.)<br /><br />best to you<br />Graeme<br /><br />interrogate the bolger chart, <br />every phrase, every mark...Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-58494244795917714072011-08-08T19:56:25.739+10:002011-08-08T19:56:25.739+10:00Yes, and he also wrote, regarding Poohsticks, on p...Yes, and he also wrote, regarding Poohsticks, on page eight of "Small Boats",<br /><br />"This was the first design I made using the outside chine log, which I've since adopted quite often in constant-deadrise boats: it saves some labor in fitting the log, and gives better bearing and fastening for the size of the log. It also gains a bit of stability, and I have an idea, just conjecture, that it reduces eddying along under the chine by carrying the side flow aft......"Ross Lillistonehttps://www.blogger.com/profile/04365414347565560334noreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-19634669397210179372011-08-08T12:53:34.067+10:002011-08-08T12:53:34.067+10:00"Phil Bolger had a theory that if the hull wa..."Phil Bolger had a theory that if the hull was properly shaped, an external chine log may reduce drag, by delaying the point at which cross-flow occurred."<br /><br />Ross, Bolger had a theory of water flow and how that applied to sharpies. With respect, what he wrote about exterior chine logs of relevance here was: "The external chine log... adds a minute amount to the stability, which certainly needs anything it can get (Light Dory Type V); I don't think it increases the resistance but I can't prove it yet." He worried that it may increase resistance, not reduce it.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-6862486223059661732011-07-13T21:08:29.717+10:002011-07-13T21:08:29.717+10:00Thanks again for the comments. It makes the time s...Thanks again for the comments. It makes the time spent putting up the posts worthwhile. Best wishes.Ross Lillistonehttps://www.blogger.com/profile/04365414347565560334noreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-7032228666976298172011-07-13T17:06:31.152+10:002011-07-13T17:06:31.152+10:00Making a wooden boat is really a hardworking job. ...Making a wooden boat is really a hardworking job. You did it very well. The boat which you made is awesome. she looks so pretty. By the way, it is very nice post.Yacht Rental Dubaihttp://www.charteryachtdubai.com/yacht-rent.htmlnoreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-73421175187095366062011-07-11T23:45:04.879+10:002011-07-11T23:45:04.879+10:00Benefits of an external leeboard: Makes the boat ...Benefits of an external leeboard: Makes the boat easier to build and boat is more likely to be completed. I like my Mayfly 14 very much!<br />wnewburyAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8638765920957629245.post-88730536880954817272011-06-23T01:32:51.687+10:002011-06-23T01:32:51.687+10:00Hi Ross,
Nice pics. My life seems to be one long...Hi Ross,<br /><br />Nice pics. My life seems to be one long series of overdue jobs, so I know what a relief it is to be back on task!<br /><br />The external chine logs I don't mind so much, but the leeboard?? I know there are some really good practical reasons for going down that path, and I know that Phil Bolger was a great advocate of them, but they take some getting used to.<br /><br />Apart from the increased internal space, do you think you could just remind me what the benefits of a leeboard are; especially when used in conjunction with a flat bottomed hull like this one.<br /><br />cheers,<br /><br />GrahamAnonymousnoreply@blogger.com