- Strictly Sail. By Rod Carr
- The details of building, finishing, rigging, and sailing by R/C.
By ROD CARR, A hearty “welcome back” to our “Strictly Sail” editor, Rod Carr, who will dig into the details of building, finishing, rigging, and sailing by R/C. (© Most skippers are very concerned Shout’s smooth’ and shiny hull, Most Skippers spend hours getinga sheen and Sparkle to their decks, Most skippers Sand and polish their masts and spar to ‘he changes which boat speed on will assure your the rest of the fleet? Do. {Sid and done, theie efforts make a you make sure that the boat is balanced with the amount of weather Ihelm_you prefer, and can you change that atance twill even between conse cutive heats, without pulling your boat Contribution to the speed of he vessel fut of the water? Blstening highlights. “But. when all is ‘whichis minor compared 19 what could Rave been gained if half the man hours, tnd one hundredth of the sweat, had teen invested in learing and adlusting their powerplant. hel SAILS. ‘Simple minded eaeulations show that «typical sal plan of the size of an East. Coast 12. oF Santa Barbara. produces ower at about the same rate 35 2hot ‘Up until ining now, the only routes to this ‘ind of background re ‘quired: that you either bea big. boat SBllor, or work your way through the Considerable literature written for the prototype sizes and cull from it those things which svould be ofsignificance to the model yachisman. Wel, our sport has grown in the past couple of years, {020 gloplug engine in normal winds ‘With $0″ hile theust”10 push 3 26 pound vessel inthe displacement mode, Soesn’t it make sense to maximize the and we have reached point where this Kind” oF information is easly avaiable rive men ate leky to have thvee working Tots “directly” concerned ‘with model that your Sal plan produces? AS ‘wind velocity goes up, do you make the Decessry adjustments to Your aals to ‘How increased drive 0 push the boat, father than merely absorb increased heel and drag? When you are faced with 2 face course which turns out to Be pre sdominaely reaching eg, do you make so Who has it? Your fienly silmaker. AAU the present time, model yachts: Yacht sas fra classes. For answers to Your specific questions may we sugeest that you contact these lofts, and fur ther, that You keep a sharp éye out to see if you can’t identify one fellow in Your Weal fleet who has good looking sails and is willing to share is techniques ‘with you. It is our contention that each Tet needs a sailmaker, maybe not in the business per se, bu a skipper who Understands ‘ail set and trim, who Ts familar wit local conditions, and who Can make small adjustments to commer. tially produced sails to make them per foem welt in the conditions under which you sai These lofts are: BLACK’S BOAT ACCESSORIES, 4761 Niagra Ave, San Diego, Calf, 92107, 308 E, CARR BUILDERS LOFT 231d, St, Chester, Pa. 19013. Sails,” 7607 Gresham SL, Springield, Va. 22151 In the following columns, we hope to provide you with basic information Shout your sail: Well be guided 3 reat MODEL BUILOER Specific problems you might have, therefore salt your questions Lay Sart tc the begrmne. 2nd Ad Sit’we’ encounter i the jb Now, te Iembering hat there are at many Ways {o eta las there ae ways To 30 the proverbial eat the ib ste on afi Stuy. The ibtay connects the forward nd of the ib club and point onthe Ws recommended terminate-in’s foop stachment point, favidding lie Conjunction dow more than skin deep! that the jistay below the matt then double nylon arangement be used witha tangan@ cleat changing HOBBYPOXY beauty is the length of 0 the i Stays requied (or mast rake considers tions (Fig 1) ‘A convenient mast atachment meth fo a tang with 1 sal corner grommet insaied in the lower hole to prevent uti ofthe sauidding tine, The suid Ging Tne 5 held Ina ceat Under he tang mounted to the mast, pass Up through the tang through ie loop in the fbsy, bach tough the tang 26d down 10 the leat. Lewe the leat foore so thatthe fst turn around it ‘with int he squdaing line Jams wel, realy depend on half [A Rabe, natlona contol ne aerobatic champion In 1972 ane 1973, Ghose Fonbypoxy enamels because he wants shiny, durable, Tue Sec an tat “utah n ates Bea Fry pro ot te wing ult om entity raw Po You ices at You can wih tg boa lines, and wee Tnaty fed up with round bowser ae means of adusting such rigig. You mow havea system which i alow he ‘ake ofthe mast to be adjusted for fine tuning, yet allow 2 taut Hbstay. We ‘oppose dae of Reads since they Ye Secrets ‘rushed on tour or reo sating 9 ve conte ‘move la rm he isa eting 38 The shape the fib takes is partially cut into it by Your sallmaker when he Sas “ift round” tothe sal athe iute: Unies you ean provide him with 3 ofets sowing how moch your of {able ibstay sae while sain, he mut rot some other product comet “rm going to continue uring Mobbypony Tsay” a you can (ith proper care biven to it effect om matt shape) 50 that the ‘say wil “be aes posible. Then the saimaker can cut ‘iy stndardlut ound to help corect for the typist Hbsay sag observed, We eral Wve something onthe order of (neh pe foot of ova length. Your own benefit take For ral of black Und white pictures of your boat under Sail and when you gt the prin, hold Straightedge up to he jbsuay you can take picture fom dead aa the beam, ting the length of the jibstay a6 ‘eile, You ean Indeed find out how much your jistay sagging) Ever ody we tak to gets a double dose of Keep your iby taht” A square foot of ib wil general sve you the Dower tat It taker two square fet of ma to provide, 30 everything You 30 To insure 2 strong ping ib wil pay oft duy Running paral co he i stay isthe ity halyard, This ne is stached to the May 1976 head of the fib, and seves to tension the silelth alg’ ihe Tuff We gener” {ly immobiire he tack of the fb with ‘oop of raping wre around the Bow and you’l be able to se the daft. The poi of maximum draft should be be ween 30 and 30 percent of the chord aft of the lll and’n controled by tll nd of the fb ub, and make all all tension, tenson_adiusiments with the jb hal Yard. The tension fom the halyard Uistore te silat, and will pull’the betwean 5 and 13 percent of the chord, and is conrlled by sal cut, and to 4 degree, foot tension and each tension, draft extra cloth im the center ofthe The amount of raft wil vary Keep 4 notebook, wre down the infor ‘Sil onward as tenson’sinctesed Pll_matfon, Keep tack of the wind veloc: foo hard and” youll ind’scresé just ts you sal in. Soon youll have 2 good behind the stay idea”of just what Kind of tensions £0 ‘Lay your boat on its side withthe pul into Your sal after having a reading sheets pling the fib club tothe clove hauled postion, Hold. sraighiegge heross the sal” at in section NA in__will Figure2 Gravity wil pull thesall down Sf the wind and Tooking In yout log Sails that ate se by quss and by golly never consitenty win anything “The next most important control on st Positions of te cuthau and halyard n Eder to sbtain 2 reproducible Set for Sny wind condition Tall dhe foregoing talk of ile avai it you don’t go ou and sal tuning als thing 13 ime unl your boat ster ofthe othe skipper Shatner yous 1s bot using’ you as the benchmark Youtt lex more. in a concentrated 2Mremoon {it you keep fecords, than ‘whole season of pane adlstmenis made inthe middle of ropa. Send your questions to: Rod Car, 1507 Gresham St, Spring, Vtg 22151, or care of Mode Buider Re imembér to send your $3.00 annual dues to the AMERICAN MODEL. YACHT ING ASSOCIATION, 4761 Niagra Ave San Diego, Clit 92107 ‘when you purchase a K&B engine you not only buy the finest engine In the field, but you are assured also that the manufacturer stands behind the product with the be ‘and most rapid service available Yor minimum “Down Time.” Cq>> offers ALL PARTS, FOR ALL K&B AND VECO ENGINES IN STOCK. NO DELAYS! Genuine KaB Ports Ch Continued tam pape 28 ve Simoothiy . with goad speed, and most Inmportanily, encugh taps to. onestop the wal two or Bestop race, This Tooks very interesting and wil have to Find out mare sbout ins development “the sail mount of combat that | hua time to watch faled to show any few techniques in evidence. There were Some: new ‘wing tp apes and Taney ames But no new designs, We’e wise to” your treks fells. Far t00 many imatthes were won on time, and’ not {Cuts orks Mot often, hs war dv to Unpractiad pit work and not Tack of piloting skits Go watch some of te eter racers for awile and hen form ombat teams of free o four people, Snd practice equal time for pitting snd “The ony hing lacking was stunt. 1 honed you guys out Int te. Get cat fig 12152 WOODRUFF ito shape isthe leah troup about terted. bythe by AVENUE tesion, Thi is downward force fb club on the lew {The Ib swivels he scet to proper leah terion, The corer the fib swe Isto the forward end of the fo cub, Serighie Win te eon oe ih fager os sopering on formula ‘as bows atcha Litinchns BOOM ERANG, it i. imperative tat lech termon be under fe, positive con swivel af arrangement for movi the on he cb: Tesi fain ihavteraps around the cv, and lames down (ana crear css tion hb) 5 JOWNEY, CALIFORNIA 90241 Loowening the strap at its termination ‘on the swivel iting alloms infinite a ‘bument What you wih fo attain paalls between ji leach and main each, Tas conformation ‘iow ae to rely Snd’main without winding” the main. ts sought (0 pas between the [B “choking” or “back = of without sal Ingorloffing the i The final control of jib shape ithe foot outnad. Naturally the more oot tension, the fatter the foot. Shape and flow isimportant inthe jb foot, since fone obtains lots of deve from this part ff te sl and ery ite damaging el Tbs with ‘fat Yet should be avowed There is a definite interplay betwees foot and lt tenon, They inter nd ink | recently attended the Cancer So ciety benelt made airplane show held St the ald Mlle Square Tying stein ‘range County, Caf. We have to refer fo the “old” Square beeavte the model Myers were banned Irom there last yest Ade to te eflorts of ne very effective fed estate developer wh fl he model Aying was hampering te sales potential the wea. The Marines have 2 paley Sf not beioming involved ih evan ‘sputes om Marine property, Wey ist ‘order everyone of and Tock’ the gates, ‘This made the developer happy. How. ver, Because. the Cancer Society has ‘more pull than vel estate, the mode fm wore allowed back Tor one weckend and. put on 2 rally big show for hundreds of spectators fom the su ‘rounding communities. While at the another goup show 1 learned of that had lost ts fying fel, The Norwalk Skyburners ad sim Tar problems six months apo and had Yo MODEL BUILDER SAILFISH One ofthe prettiest Sailboats you ever sa either Free Sailing, or R/C. Construction iss it life. Printed and 4 Cut Frame, trength and long, planked Deck is Die Cut ip into rub ral, molded, terli Hh | MODELS INC. into Sleek Plastic Hull, Kit is ‘unusually complete with Die Cut Mahogany Cabin, Brass Chain, ‘Metal Fittings, S, Rigging cordage, 3t & Boom Material stamped Rudder and Kee! with INTEGRAL LEAD BALLAST, Step by Step Plans show simple assembly. Base shown not included, HEIGHT 32/5 LENGTH 2: BEAM 5” May 1976 5
