Herreshoff #193103es Sprite [Model Yacht]

"[1931-09-15] Tue 15: ... I am getting out stock for another model yacht [#193103es Sprite], about 50in. o.a., having just finished a stand or easle for holding model during construction.
[1931-09-20] Sun 20: ... At home all day. Started getting out timbers for model [#193103es Sprite].
[1931-09-26] Sat 26: ... At work on model yacht [#193103es Sprite] getting out frames.
[1931-09-28] Mon 28: ... At work assembling frames of model yacht [#193103es Sprite].
[1931-10-01] Thu 1: ... At work on model [#193103es Sprite] [in] p.m. Becky in in evening.
[1931-10-04] Sun 4: ... Setting up frames of model yacht [#193103es Sprite], 50in. o.a. on building board.
[1931-10-10] Sat 10: ... Fitted transom on model yacht [#193103es Sprite] and began planking.
[1931-10-21] Wed 21: ... Finish planking model yacht [#193103es Sprite which I] began Oct 10.
[1931-10-23] Fri 23: ... Laying up sail plan for model yacht [#193103es Sprite].
[1931-10-24] Sat 24: ... At work on lead pattern [for #193103es Sprite].
[1931-10-26] Mon 26: ... Setting up model [#193103es Sprite] for deck, after making lead pattern & rudder blade.
[1931-11-07] Sat 7: ... Began laying deck on model [#193103es Sprite].
[1931-11-14] Sat 14: ... Fitted lead keel to model [#193103es Sprite].
[1931-12-15] Tue 15: ... Ashton is painting model yacht [#193103es Sprite]. ...
[1931-12-25] Fri 25: [Thermometer] 52 - 33 - 33 [degrees]. Nearly calm after midnight till morning, then l[igh]t NW [wind] till mid-afternoon, then strong NW & clearing. Clarence arrived in forenoon, and we had a very pleasant Xmas. At dinner [were] Sid, Becky, Francis, Clarence, Clara, Natalie, Ann & myself. Many presents, I gave little Nat the model yacht [#193103es Sprite] [I have been] making. ..." (Source: Herreshoff, Nathanael G. Diary, 1931. Manuscript (excerpts). Diary access courtesy of Halsey C. Herreshoff.)

"Made by Nathanael Greene Herreshoff, in 1931 for his granson Nathaniel Chase [sic] Herreshoff. To be given him when he is about 11 years old, or when he has made a successful boat with his own hands and has become familiar with the use of tools." (Source: Herreshoff, Nathanael G. "Model Yacht Sprite." [Tag attached to crate for model yacht Sprite.] No place, April 7, 1932.)

"Dear Sirs:
I have been much interested in reading the article in your October number entitled 'A Novel Automatic Steering Gear for Model Yachts,' as I have had quite an experience with devises for steering sailing models directly by angle of wind movement to the course desired for the model, and I consider it the best principle, when the details are properly worked out. Way back in 1875 when I was working on double-hulled sailing craft --- the details of which I had patents and I also constructed many --- I made a model [#187504es Amaryllis Model Yacht] of the contrivance about 33 inches long. This I sailed, but could not keep it on a course until I added a wind vane that controlled the rudder, and it did the trick perfectly.
Due to busy days, I did no more with the idea until a few years ago, when I took up model making just to give exercise without having to stand much over on fatigue. I built four models [#192901es, #193001es, #193002es, #193103es] to which I applied the windvane steerer, and when I tried each proved successful. I carried out the details somewhat different in each case, but all having the same principle of connecting the rudder to the wind-vane so they turn reverse directions. In one case a pin on the arm on lower end of vane shaft worked in a forked tiller turned on the rudder shaft, exactly as shown in the illustration on page 148 [a reference to a vane gear mechanism invented and described by the yacht designer Jac. M. Iversen of Stockholm, Sweden]. However, the details of the vane shaft and adjusting mechanism are quite different. The arrangement as shown in your paper is crude, as it is not designed to eliminate friction and the inertia of moving parts. In mine the wind vane is counter balanced so that careering or rolling of the model will have no effect. The entire weight of vane and gear bears on a fine pivot point, so the slightest air will swing the vane. Also, the rudder blade is of the same specific gravity as water, so it is not effected by careering and turns very easily.
I tried an elastic centering device and found it was not needed, and I also arranged a disc on the vane shaft with a circle of pin holes that a pin on the vane dropped into to hold the vane at desired angle and gave that up in favour of a friction arrangement on disc that is adjustable by screws to give sufficient friction to control the rudder, but can be pushed round to any angle in an instant without breaking anything.
I sent a drawing of this arrangement to a New York yachtsman and model enthusiast who asked for it, with the declaration that I had not patents, and gave it freely to the public. Unfortunately, the device was not carried out correctly and had considerable friction and, therefore, failed.
The principle certainly is not patentable, but of course some special details may be.
Yours Truly,
Nathanael G. Herreshoff." (Source: Herreshoff, Nathanael G. [Letter to the Editor.] The Model Yachtsman, England, December 1932.)

"Dear Junius,
... I have asked the H.M.Co. several times to try out a loose footed sail with double curved boom on one of their small crafts, but could not get them interestes, and I am glad to know you have taken it in hand. Thus far my experience it only with model yachts [#192901es Robie, #193001es Trillium and #193103es Sprite], but I believe it can be used successfully on small sailing craft and that it can be arranged to be equally conveniant is use as ordinary rigs, and for equal sail area be more efficient.
I have found no difficulty in applying the double curved boom on model yachts, excepting of course more work in making it. I am inclosing the aft end of one of the booms that I shortened which will show how it is made. Each side bar is glued up of three pieces. The outside ones of good clear spruce. I first shape a mould of a little more curcature than the finished side bar and a little longer, so the first and second layers can be tacked at the ends to place before the third piece is laid in and clamped to hold the glued pieces while drying paper must be laid first. I get the pieces out quite a little over double width, to allow for sawing in two and planing the edges after gling, and so get both sides, at one glueing.
The forward end I have made in two ways. One, the saddle to take bearing in mast, of thick and strong metal bolted to the side bars with a facing of leather to mast, and the other, as you have it with a wood block to hold the side bars, that is to be forward of the mast. [Sketch.]
In this case I make the saddle of very thin brass held bu one bolt each and that goes thru the side bars. [Sketch.] The saddle parts are bolts so it always has a true bearing on mast and needs no leather.
I hope I have not tired you in describing how I do these things, but I have had much pleasure in designing and making them, as probably you have in your work. [Pencilled letter draft on back of Yenching University letter, undated but December 17, 1932 as per NGH note on Junius Morgan letter dated December 15, 1932.]" (Source: Herreshoff, N. G. [Letter to Junius S. Morgan.] Herreshoff Marine Museum Correspondence, Folder 50 (new), 181 (old). December 17, 1932.)

"The will of the late Nathanael G. Herreshoff, famous yacht designer, ... was filed for probate in Bristol last Thursday ...
One provision of the will is that Nathanael Chase [sic] Herreshoff is to receive his grandfather's model yacht Sprite, as soon as he becomes familiar with tools and has made a toy sailing boat himself. Otherwise the grandson must wait until he is 11 years old to reveive the model. The boy is now seven." (Source: Anon. "Herreshoff Will. ... Grandson to Have Model." Newport Daily News, June 17, 1938, p. 6.)

"[Item Description:] Plan or set of plans titled 'Full size of Model Yacht SPRITE [#193103es] … Boxed … and to be given to [grandson Nathanael G. Herreshoff] … Sept. 31, 1931'. With notes showing weight of all frames complete, weight of keel, weight of transom, etc. and final note 'Nov[ember] 14, [19]31 W[ei]g[h]t [of] hull complete ...'. Part of a roll of at least two drawings on very brittle brown paper that was too fragile to unroll and inspect." (Source: Herreshoff, N.G.. (creator). Penciled Drawing. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item WRDT03_00091. Folder [no #]. No date (ca 1878).)
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"[Item Description:] Two sets of penciled pantograph hull sections of an unidentified deep-keel yacht on a large sheet of paper. Very elaborate, with checkmarks in red. A few penciled calculations. Found together with other model yacht-related material suggesting it might be related to #192901es ROBIE [which appears to have a different hull], #193001es TRILLIUM or #193103es SPRITE." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE02_04640. Folder [no #]. No date (1929 to 1931 ??).)
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"[Item Description:] Four sets of penciled pantograph hull sections and calculations for an unidentified deep-keel yacht. Calculations using different scaling factors seem to indicate waterline lengths of 80ft [or in?], 48ft [or in?] and a displacement of 31.8lbs, and 45in at a displacement of 30.0lbs suggesting this to be for a model yacht. On verso another set of penciled pantograph hull sections (marked '1st trial') and two sets of pantograph lead sections plus a displacement curve for what appears to be the same design. Found together with other model yacht-related material suggesting it might be related to #192901es ROBIE [which appears to have a different hull], #193001es TRILLIUM or #193103es SPRITE." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE02_04750. Folder [no #]. No date (1929 to 1931 ??).)
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"[Item Description:] Two sets of penciled pantograph hull sections and displacement curves on 'Office of Voluntary Meteorological Observer, U.S. Weather Bureau' stationery. Titled 'From original model [Model 1521] [made in] 1910, changed to c.b. Adapted to NGH Rational Rule 18ft Class. A scale 1/12. Aug[ust] 1931'. One set very faint and crossed out with note 'Scale 3/4in per ft = 32.5[ft] w.l.' and calculations arriving at a displacement of 144cuft = 9220lbs as well as with note 'Scale 1/2in per ft = 47.7[ft] w.l., 65 1/2[ft] o.a., 14ft 2in beam' and calculations arriving at a displacement of 324cuft = 20700lbs. The other set is untitled and accompanied by calculations arriving at a displacement of 648[cubic inch] = 24lbs and note 'If 45in w.l. displ 608[cubic inch] = 8.45^3 = 22.5lbs. (Compare with pantograph hull sections dated August 20, 1931 from the same model which, among others are also for a model yacht --- believed to be #193103es SPRITE - even though SPRITE has a keel.)" (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_03070. Folder [no #]. 1931-08.)
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"[Item Description:] Penciled pantograph hull sections on 'Office of Voluntary Meteorological Observer, U.S. Weather Bureau' stationery. Titled 'Study model [Model 1521 ?], Aug[ust] 20, 1931. For sail rating to 324sqft class of Rational Rules by N.G.H., 1925, or for a Model Yacht at scale of 1/2 or [blank] (see over)'. With note 'Model is for centreboard 34 1/2in o.a. 26in w.l. 7 2.5/12in beam. 2 3/4in draft'. With particulars and weight (6460lbs) 'For Rational 18ft class' as well as for 'Model yacht, scale 1/2' (30lbs). The model yacht is elsewhere described as being 52in w.l. or 39in w.l. On verso two more penciled pantograph hull sections, one marked 'Aft body Frame spaces 1/20 of l.w.l. = 2.6In on 52in model yacht', the other marked 'Fore Body. Frame spaces 1/20. l.w.l.'. (The model yacht is believed to be #193103es SPRITE - even though SPRITE has a keel.)" (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_06650. Folder [no #]. 1931-08-20.)
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"[Item Description:] Penciled pantograph hull sections with radials on 'Office of Voluntary Meteorological Observer, U.S. Weather Bureau' stationery titled 'Aug[ust] 23, 1931. Forebody for Model Yacht [#193103es SPRITE] to N.G.H.'s Rational Rule 324sqft Sail Class at 1/6th size = 52in wl x 60in rational line, with 20 frames to w.l. length = 2.6in frame spaces'." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_02970. Folder [no #]. 1931-08-23.)
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"[Item Description:] Penciled pantograph hull sections with radials on 'Office of Voluntary Meteorological Observer, U.S. Weather Bureau' stationery titled 'Aug[ust] 26, 1931. Aft body for Model Yacht [#193103es SPRITE]'." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_02980. Folder [no #]. 1931-08-23.)
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"[Item Description:] Penciled pantograph hull sections with pinpricks and radials titled 'Aft body. 1 to 1 1/2 Enlargement from Model for 324sqft class. Model dated Aug[ust] 20, 1931. For a Model yacht [#193103es SPRITE]. Sept[ember] 3, 1931'." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_02920. Folder [no #]. 1931-09-03.)
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"[Item Transcription:] Will.
I.- Nathanael Greene Herreshoff, of Bristol, in the County of Bristol and the State of Rhode Island, born at the Point Pleasant Farm in said town of Bristol, March 18, 1848,- do make and declair[sic] this Instrument to be my last Will and testament, superceeding and taking place of my last Will dated October thirteenth (13) in nineteen hundred and twenty three (1923), and in the following manner:
First. I direct that my body be interred in my burial lot in the Juniper Hill Cemetery, in Bristol, R.I., beside that of my deceased wife Clara D'Wolf Herreshoff, without parade or ostentation, and a plain and substantial headstone and a footstone be placed to mark my grave.
[Etc. 15pp incl. appendix. Detailed instructions re Executors of Will, any boats or automobiles not desired to be kept by my wife or daughter to be sold, distribution of Love Rocks, keepsakes and gifts to children (To Agnes: John Brown set of China, Loving Cup presented by employees in 1899, Life and Works of the sisters Bronte, the old 4 inch telescope given me by my friend William Young; To Sidney: Gold Cup that was presented my by my brother-in-law John D'Wolf, my model measuring instrument, pantograph attachment to same, the K&E Amster Planimeter; To Griswold: Gold watch and chain given me by my brother John in 1881 with Elgin movement and engraved on its case a catamaran and monogram being designed by my friend George Gould Phillips, silver tankard presented my by Com. Edwin Denton Morgan as souvenir of GLORIANA's [#411s] victories in 1891; to Francis: set of books entitled Society of Naval Architects and marine Engineers, the old and very valued double-barreled shot gun that was formally[sic] the prized fowling-piece of Dr. Nathanael Green and in his old age given to my brother Charles and by him given me in trust for my son Francis, ballard rifle, Winchester repeating shotgun; to Clarence: Alvin Clark telescope, the three great volumes of Naval Architecture by John Scott Russell, watch given me by Com. Robert E. Tod in 1914 at launching of schooner yacht KATOURA [#722s] with gold case and monogram NGH and Swiss splithand chronograph movement; to Ann: collection of china willed me by my brother in law John D'Wolf and the cabinet in which it is kept, silver cup presented me by managers of cup yacht RESOLUTE [#725s]; special gift to Nathaniel[sic] Chase Herreshoff of the fourth model-yacht named SPRITE [#193103es] which is to be held until he is about eleven years of age, or after he has made a successful toy sailing boat with his own hands and become somewhat familiar with the use of tools), distribution of property.]
In testamony[sic] where of I hereby set my hand at this [blank] day of [blank] in the year 1932 [unsigned].
[Incl. envelope with note in ink 'Will of Nathanael G. Herreshoff of spring of 1932. Being the original wording before being looked over. Mr. Tanner Lawyer and elaborated to suit R. I. Hospital Trust Co. for them as Executors & Trustees. N.G.H. May 1932' and further penciled note 'This was not executed. See a true copy as elaborated.']" (Source: Herreshoff, N.G. (creator). Testament. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MR_55430. Subject Files, Folder 60, formerly 219. No date (1932-ca03).)
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"[Item Transcription:] [Final, slightly altered, version of handwritten letter on N. G. Herreshoff stationery:] I am pleased and interested to have your letter of 15th. I have not heard of the little boats [#1148s Development Class for Junius Morgan and #1149s PIG IN A BAG for George Nichols] built for you & George since they were delivered which was at the time there was great interest in the Cup yachts. Have you found your boat an interesting one to play with? George has never written of his. A year ago last summer the H.M.Co. built a boat [#1203s CYGNET] for Paul Hammond, from my designs that was a little shorter and wider than yours, and he wrote he had much fun with it and really enjoyed it more than any of his various boats.
Your proposed change of rig is interesting indeed and I will be very pleased to know how it works out, and hope George will have his boat out with standard rig to try yours and really discover if there is an advantage of the overlapping rig with sails of equal area. Also to decide which is the most conveniant rig to set up quickly and use. You know my contention had been right along, the only advantage of overlapping sails comes from a false ruling. That is spar measurement instead of sail area. Of course, spar measurement is more definate, but I believe a system of measuring sails that will be satisfactory is quite possible, and although more troublesome to the measurer would be very much less than the owners trouble and expense for the light sails and extra crew required to handle them.
I have asked the H.M.Co. several times to try out a loose footed sail with split and curved boom on one of their small craft, but could not get them interested, and I am glad to know you have taken it in hand. Thus far my experience is only with model yachts [#192901es ROBIE, #193001es TRILLIUM and #193103es SPRITE], but I believe it can be used successfully on small sailing craft and that it can be arranged to be equally conveniant as ordinary rigs, and for equal sail area be more efficient.
I have found no difficulty in applying the split & curved boom on model yachts, excepting of course more work in making it. I am inclosing the aft end of one of the booms that I shortened which will show how it is made. Each side bar is glued up of three pieces. The outside ones of good clear spruce and center one of cedar or light white pine. I first shape a mould of a little more curvature than the finished side bar and a little longer & over double width. First lay paper then the first strip with glie spred[sic] on face and tack at each end. The others in order, and then use plenty of clamps till dry. The stock is got out enough over double width, to allow for sawing and planing and thus get both bars at one glueing.
The forward end I have made in two ways. The first with strong metal end that acts as saddle against mast and bolted to side bars. It should have a leather facing. The other, as you have it with a wood block to hold side bars that is forward of mast. In this case I make the saddle of thin brass, held by one bolt each end that goes thru the side bars. The saddle pivots on bolts so it always has a true bearing on mast and needs no leather. I hope I have not tired you in describing how I do these things, but I have had much pleasure in designing and making them, as probably you have in your leisure hours." (Source: Herreshoff, N.G. Letter to Morgan, Junius S. Herreshoff Marine Museum Collection Acc. 98.34. Correspondence, Folder 32, formerly 177. 1932-12-17.)
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"[Item Transcription:] [Penciled letter draft on back of Yenching University letter, undated but December 17, 1932 as per NGH note on Junius Morgan letter dated December 15, 1932:] I am pleased and interested to have your kind letter of 15th. I have not heard of the little boats [#1148s Development Class for Junius Morgan and #1149s PIG IN A BAG for George Nichols] built for you & George since they were delivered which was at the time there was great interest in the Cup yachts.
Have you found your boat an interesting one to play with? George has never written of his. A year ago last summer the H.M.Co. built a boat [#1203s CYGNET] for Paul Hammond, from my designs, that was a little shorter and wider than yours and he wrote he had much fun with it and really enjoyed it more than any of his various boats.
Your proposed change of rig is interesting indeed and I will be very pleased to know how it works out, and hope George will have his boat out with standard rig to try yours and really discover if there is an advantage of the overlapping rig with sails of equal area. Also to decide which is the most conveniant rig to set up quickly and use. You know my contention had been right along, the only advantage of overlapping sails (Genoa jibs & c) comes from using more sail area than is paid for. The trouble comes from a false ruling. Spar measurement instead of sail area.
I have asked the H.M.Co. several times to try out a loose footed sail with double curved boom on one of their small crafts, but could not get them interested, and I am glad to know you have taken it in hand. Thus far my experience is only with model yachts [#192901es ROBIE, #193001es TRILLIUM and #193103es SPRITE], but I believe it can be used successfully on small sailing craft and that it can be arranged to be equally conveniant in use as ordinary rigs, and for equal sail area be more efficient.
I have found no difficulty in applying the double curved boom on model yachts, excepting of course more work in making it. I am inclosing the aft end of one of the booms that I shortened which will show how it is made. Each side bar is glued up of three pieces. The outside ones of good clear spruce. I first shape a mould of a little more curvature than the finished side bar and a little longer, so the first and second layers can be tacked at the ends to place before the third piece is laid in and clamped to hold the glued pieces while drying paper must be laid first. I get the pieces out quite a little over double width, to allow for sawing in two and planing the edges after glueing, and so get both sides, at one glueing.
The forward end I have made in two ways. One, the saddle to take bearing in mast, of thick and strong metal bolted to the side bars with a facing of leather to mast, and the other, as you have it with a wood block to hold the side bars, that is to be forward of the mast. [Sketch.]
In this case I make the saddle of very thin brass held by one bolt each and that goes thru the side bars. [Sketch.] The saddle parts are bolts so it always has a true bearing on mast and needs no leather.
I hope I have not tired you in describing how I do these things, but I have had much pleasure in designing and making them, as probably you have in your work." (Source: Herreshoff, N.G. Letter to Morgan, Junius S. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MR_18320. Correspondence, Folder 50, formerly 181. No date (1932-12-17).)
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"[Item Description:] [Penciled draft letter on both sides of advertising letter by Engineering News-Record to 'Mr Herreshoff':] re: Morgan's sail plan for the development boat [#1148s] designed by him. Mention of #193103es SPRITE and #1231s HUMDINK. See final version of this letter of the same date." (Source: Herreshoff, N.G. Letter to Morgan, Junius S. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MR_05140. Correspondence, Folder 18, formerly 119. 1933-10-06.)
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"[Item Transcription:] [Handwritten (in ink) final version of letter:] Charles Nystrom has handed me a drawing of a new rig for your Development Class Boat [#1148s] that you have designed, with the work you, to effect, that I look it over and let you know what I think of it.
After questioning Charles how you kept your boat and prepared it for using, I understand it is hoisted out under shedded over davits, and rig removed to a boat house nearby by a man who takes care of the boat from time you leave her till again afloat and rigged for you to use.
I think you have designed a very good sail plan, and about as good as can be, provided the length of base of foretriangle is to be considered in sail measurement. If it is not, which I think is the case, it is a question in my mind, if the rig would not be more efficient if the jib (of 38 sqft) was moved forward to keep it well clear of mainsail. I may be wrong, in my belief, but I do know that along in the [18]90s the 'Raceabout Class' of Buzzards Bay 21 footers [p. 2] with restricted actual sail area of 600 sqft after a few years of intensive racing they removed the jibstay well forward on the forward overhang, so the jib was well clean of mast, and with improved results.
Differing from my suggestions of last spring for Utility Classes of Dinghies, in which I proposed solid spars without standing rigging (this of course you understay[sic, i.e. understand?] was to cheapen cost, and certainly not what I would do for my own use) you want to have the lightest rig consistent with strength and donot care to stow it on board or have the extra trouble of fixing stays:- may I make a few suggestions toward the details in carrying out your sailplan?
First I question the policy of cutting away the sailtrack wood on aft side of mast to allow space for the double spritboom bearing. Since the 'meat' to make the sailtrack adds very much to strength of mast just where it should be strongest, I am afraid of it.
Perhaps you will be interested to know how I got over this difficulty two years ago when making a model yacht [#193103es SPRITE], in which I attempted to carry out a refined jib and mainsail rig [p 3] that would be proper for a small yacht having restricted actual sail area.
This model yacht I was making for a grandson carrying my name and has been boxed and put away to be given him after he is old enough to appreciate and to care for such things, probably in 10 years. In this,the mast is full length and section about like this [sketch of tear-drop mast section with integrated luff grove] and it is hung so the whole mast swings to direction of pull of sail. This is accomplished by stepping the mast on a metal pivot point, and all the stays are to a special metal fitting at forward side of mast connected thru a hinge joint that that lines with the heel[?] pivot, and so the mast takes the end thrust. Mast is held by woodscrews at a thickened place of mast. The whole fitting should not weigh twice as much as the tangs you describe to hold rigging, and possibly only 50% more. You will note by mast swinging by pull of sail, it is stream-lined to direction of wind, which a fixed mast is not excepting at anchor, --- also the mast can be made a little smaller in transverse measurement. Now, if jibstay is placed so leach of jib swings well clear of mast, the double sprit-boom can extend well forward of, and surround mast. And its thrust not taken by mast, but by a spar having its lower end on forward side of mast opposite tack of sail, and upper end about [p. 4] half way up to rigging attachment. To be a turnbuckle near lower end of spar to adjust for varying conditions of weather. Or it can be, as was in the case of a 11 1/2 ft dinghy [#1231s HUMDINK] my son Sidney rigged, with a tackle leading inboard so the crew could adjust thrust on sail any time.
I think you will see advantages in such a rig, but if you still prefer to have the jib stay placed so jib overlaps mast, I would advise running out the sail groove in mast above position of boom, padding out mast to circular form where saddle of boom bears [sketch] and have the sail cut so part below boom is just clear of mast and to be held by a short piece of laceline thru grommets in sail. Then a clue outhaul to be arranged with hauling end along outside or bottom of one side of boom, and finally run to convenient place.
I would have slip links at lower end of shrouds, runners & jib stay, without any lanyards, but arrange step of mast to be raised for adjusting the stays. I have used this plan of adjustment on my own boats for 20 years.
I am wondering if you saw an effusion of mine I sent George on Yacht Measurement? I sincerely believe it would be of great benefit to Yachting and Clubs generally if they changed to length measurement with penalties for undesirable features, as I have proposed. Also separating entirely in racing, Cruising yachts from Racing yachts.
With kindest regards, ..." (Source: Herreshoff, N.G. Letter to Morgan, Junius S. Herreshoff Marine Museum Collection Acc. 98.20. Correspondence, Folder 33, formerly 176, 182. 1933-10-06.)
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Note: This list of archival documents contains in an unedited form any and all which mention #193103es Sprite [Model Yacht] even if just in a cursory way. Permission to digitize, transcribe and display is gratefully acknowledged.

"Sprite is fitted with a streamlined rotating mast."(Source: van der Linde, Claas. November 17, 2016.)

"Built in 91 days (not built, not assigned, cancelled, etc. to not built, not assigned, cancelled, etc.)." (Source: van der Linde, Claas. January 16, 2024.)

Note: Research notes contain information about a vessel that is often random and unedited but has been deemed useful for future research.