Herreshoff #191009es [Unbuilt Improved Sonder Boat]

"[1910-05-11] Wed 11: 698 [#698s Vagrant] planked up to cabin floor beams. I am working on model for an improved Sonder class boat [#191009es]." (Source: Herreshoff, Nathanael G. Diary, 1910. Manuscript (excerpts). Diary access courtesy of Halsey C. Herreshoff.)

"N/A"

"[Item Description:] Penciled pantograph hull sections with displacement curve titled 'Experimental model [apparently Model 0930] for improved Sonder class boat [#191009es]. May 11, 1910. Scale 1in. Before sandpapering'. With note 'See other sheet of May 16 [1910]'. With calculations arriving at a total displacement of 76cuft = 4780lbs and a wetted surface of 198.5sqft. With three displacement curves, two being labeled #499 [COLUMBIA]. On verso another set of penciled pantograph sections with calculations arriving at a total displacement of 85cuft or 5350lbs." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_01240. Folder [no #]. 1910-05-11.)
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"[Item Transcription:] [On printed circular from Industrial Trust Company dated May 2, 1910:] Referring to our conversation a few days ago, during which you asked me to suggest changes in rules for the Sonder Klasse that would insure a better type of boat than is now developed under the rules. After considering the matter thoroughly I have the following to suggest.
[blank]
This would generate a class of boats with long water line, and of course a scow bow is entirely prohibited by the limitation placed[?] on deck lines[?] and would be a type much pleasanter to sail in than the present ones constructed for the class and should be more seaworthy and durable, also not quite so entirely worthless when their racing days are over. The rules are nearly independent of variable measurements due to change in trim or displacement [this sentence crossed out]. A boat once measured in the class need never to be again measured unless a change in the hull is made.
After qualification is made I would allow the owner to add whatever ballast inside he sees fit, provided it is done the day before a race, and that it is not shifted during the race.
The restrictions compel an ample logical[?] hull for the sail spread to[or so?] the designers problem is produced the form that will be largest[?] to drive rather than... [this sentence crossed out and not completed].
[The following appears to be a draft of a further letter:]
May 13 [1910]. Referring to my communication a few days ago regarding changes in the Sonder Class rule to improve the type of the boat. I have given the matter further consideration. I would now go a little farther and leave out the linear measurement of the hull, but with the following[:] Weight complete, without crew, not less than 4850lbs. Freeboard not less than 16 inches (40cm) and deckline to be not fuller in any part than a circle arc passing the stem of normal thickness, the point of ex[treme] beam, and the point at extreme width of stern ... [?]
[The following text separate and rotated by 180 degrees:]
Sail area not to exceed 550sqft (55sq meters).
Displ[acement] not less than 4850lbs (2200kilo).
Deck line not fuller in in any part than circle arc passing stem head. Ex[treme] breadth & quarter [blank?].
Freeboard at pair[?] of ex[treme] beam not less than 16 1/2" (42cm).
Length overall not to exceed 32' 10" (10m).
Length waterline at displacement of 4850lbs not to exceed 29' 6" (9 meters).
[On verso profile sketch of what appears to be an Improved-Rule Sonder Class Boat and three sets of hull sections, one with a very flat Sonder Class-like underwater body, the other two with more moderate lines. Compare with pantograph hull sections MRDE04_00740, #191009es Unbuilt Improved Sonder Boat and Model 930 which appear to be related.]
[With text:] Length o.a. + ex[treme] breadth + ex[treme] draft - Freeboard at ex[treme] breadth < 44' 4" or 13.5 meters.
Displacement > 4850lbs [corrected from 4740] or 2200 kilog[rams] [corrected from 2150].
Half breadth line at sheer not fuller than a circle arc passing thru stemhead of normal thickness, the point of extreme breadth and point at quarter.
Hull 1550[lbs]
Deadwood & rudder 300[lbs]
Rig 190[lbs]
Equipment 100[lbs]
Watersoaking 100[lbs]
[Sub=total] 2240[lbs]
[Ballast] 2600[lbs]
[Total 4840[lbs]
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Disp[lacement] body part 900[lbs]
Disp[lacement] keel part 3950[lbs]
[Total 4850[lbs]." (Source: Herreshoff, N.G. Letter to Mr. Hodges(?). Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MR_67880. Measuring and Measurement Rules (Box 1), Folder B1F01, formerly MRDE15. (1910 ?)-05-13.)
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"[Item Description:] Penciled pantograph hull sections titled '2. Experimental model [apparently Model 0930] for Improved Sonder Class boat [#191009es]. From finished model. 31ft 4in. 35ft o.a. Scale 1in. May 16, 1910'. With scantlings and calculations arriving at a total displacement of 80.6cuft = 5075lbs and a wetted surface of 199sqft." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_01200. Folder [no #]. 1910-05-16.)
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"[Item Transcription:] Thank you very much for your letter regarding the possibilities of the fifteen metre boat [#191109es Unbuilt 15mR], and the statistics furnished concerning same. I have spoken to only one person so far, and he seemed very favorably impressed. I am now going to write to Mr. Clark, Commodore of the Eastern Yacht Club, who expressed a willingness to me, a year ago, to build one of these boats, and I have no doubt I shall have a reply from him before long. I am then going to broach the matter in New York.
In the meantime, I have to make an address before the Eastern Yacht Club on my general impressions of the sonder boats and the sonder boat races at Kiel, last summer. I would like a memorandum of the proposed restrictions that you and I looked over the other day for that type of boat, and which you sent, I think, at my request, to Charlie Adams a year ago. I am, as you know, very much opposed to the present type of sonder boats, and wish to tell them about the plan which you suggested a year ago, of building a new boat to take over, under your proposed rules, but which I did not dare to do until we had gone over and defeated the other boats. [See also #191009es and #191010es Unbuilt Improved Sonder Boats.]" (Source: Emmons, Robert W. (incl NGH reply). Letter to N.G. Herreshoff. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MR_28000. Subject Files, Folder 11. 1911-10-18.)
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"[Item Description:] Two sets of penciled pantograph hull sections with pinpricks and calculations which appear to be different. The one on the left titled 'Improved Sonder [#191009es] as altered M[ar]ch 31 1914. 27ft w.l. scale 1in'. The one on the right annotated showing an unidentified design with calculations ending with '111cuft = 7100lbs'. On verso a third set of penciled pantograph hull sections that appears to be from the same model as the one on the right side on the first page. With calculations (116.60cuft displacement and 185.5sqft wetted surface). Compare with Model 930 'Study for Sonder Class, if WL is not limited. Scale 1/12 (NGH about 1912 [sic, believed to be from May 1910])' from which these sections probably were taken off. " (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_00740. Folder [no #]. 1914-03-14.)
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Note: This list of archival documents contains in an unedited form any and all which mention #191009es [Unbuilt Improved Sonder Boat] even if just in a cursory way. Permission to digitize, transcribe and display is gratefully acknowledged.