{"title":"Rig, Sails \u0026 Performance","description":"\u003cp\u003eWhat holds the mast up, what drives the boat, and what either of them is doing this season compared to last. Standing rigging inspection and tension records, sail inventory and condition registers, rig tune and target speed logs.\u003c\/p\u003e\u003cp\u003eRig and sail knowledge evaporates between seasons. The tension a rigger set three years ago, the shroud that needed taking up every spring, the settings that worked in twenty knots, the sail that quietly stopped holding its shape: all of it is known on the day and gone by the next haul-out. These records make the seasons cumulative.\u003c\/p\u003e\u003cp\u003eNothing here publishes a target tension, a replacement interval or a threshold at which a wire should be condemned. You transcribe your own spar maker's and your own rigger's figures, and every session afterwards is measured against those. Interpreting a terminal is a qualified skill, and these documents are built to capture what a qualified person found — not to replace them.\u003c\/p\u003e","products":[{"product_id":"standing-rigging-inspection-tension-record-pdf","title":"Standing Rigging Inspection \u0026 Tension Record PDF — Rig Inventory, Tune Baseline \u0026 Age Register","description":"\u003cp style=\"font-size:1.05em;line-height:1.7;\"\u003e\u003cstrong\u003eA rig can be at target tension on both sides and still be leaning. Nothing on the boat tells you.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eYou tune to the figures, both cap shrouds read the same on the gauge, and the mast is still half an inch out of the middle of the boat. Or the port lower needs taking up every single spring and the starboard one never does. Both facts are visible only if somebody wrote down last season's readings, and almost nobody did.\u003c\/p\u003e\n\n\u003cp\u003eThis record holds every position across six tuning sessions on one page, with the conditions of each session underneath — because a reading taken on a cold morning with a different gauge is not comparable to one taken in August, and pretending otherwise is how people chase a problem that was never there.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#0A3F5C;border-left:4px solid #C5A059;border-radius:4px;padding:22px 24px;margin:26px 0;color:#F7F9FA;\"\u003e\n  \u003cp style=\"margin:0 0 4px;font-size:0.72em;letter-spacing:0.14em;text-transform:uppercase;color:#C5A059;font-weight:700;\"\u003eWhat you receive\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 14px;font-size:1.25em;line-height:1.35;color:#FFFFFF;\"\u003eA seven-part record for the life of the rig\u003c\/p\u003e\n  \u003cul style=\"margin:0;padding-left:18px;line-height:1.75;color:#DCE6EC;\"\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 24-line reference page\u003c\/strong\u003e for the tensions, limits and intervals you transcribe from your spar maker and your rigger, with the source and page beside each\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 20-line wire inventory\u003c\/strong\u003e — size, terminal type, pin-to-pin length and the year each individual wire was fitted, with four spare lines for positions your rig has and ours does not\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA rig geometry baseline\u003c\/strong\u003e — rake, prebend, and the halyard measurement that tells you whether the mast is actually centred\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eTwelve positions across six tuning sessions\u003c\/strong\u003e on a single spread, with session conditions logged underneath\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 20-line visual register and a separate 14-line professional record\u003c\/strong\u003e — deliberately not the same page\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003e6 calculation models\u003c\/strong\u003e for share of breaking load, deviation, asymmetry, prebend, elongation and rig age\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eThe number that finds a leaning rig\u003c\/h3\u003e\n\u003cp\u003eModel R3 is the sleeper in this record: the difference between a matched port and starboard pair, divided by their average. It survives a gauge that reads a little high or a little low, because the error cancels across the pair — so it works even when you are not certain the instrument is right.\u003c\/p\u003e\n\u003cp\u003eModel R5 is the other one worth the price: pin-to-pin length now against pin-to-pin length when the wire was fitted, with the remaining turnbuckle thread recorded beside it. A new rig settles. What matters is whether it is still settling three seasons later, and that is a question for your rigger, not for you — but you cannot ask it without the two numbers.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#F7F9FA;border:1px solid #E1E8EC;border-left:4px solid #A2803C;border-radius:4px;padding:20px 22px;margin:26px 0;\"\u003e\n  \u003cp style=\"margin:0 0 6px;color:#0A3F5C;font-weight:700;\"\u003eNot one published tension. Deliberately.\u003c\/p\u003e\n  \u003cp style=\"margin:0;line-height:1.7;\"\u003eTarget tension depends on the rig geometry, the spar section, the spreader sweep, the sail plan and the water the boat is sailed in. A figure correct for a masthead sloop with in-line spreaders will put a swept-spreader fractional rig out of column and load the wrong wires doing it. So this record publishes none — you transcribe yours once, from your own spar documentation or from the rigger who tuned the boat.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eInterpreting a rig is qualified work. This is a record of it.\u003c\/h3\u003e\n\u003cp\u003eNo page here tells you what a mark at a swage means, when a wire should be condemned, how to carry out non-destructive testing, or how far to turn a turnbuckle. Part V is split for exactly that reason: twenty lines for what you can see, clean and photograph, and a separate fourteen recording what a qualified rigger examined, by what method, what they reported and what they recommended — with their name and qualification against it.\u003c\/p\u003e\n\u003cp\u003eYou describe. They conclude. A rig failure is not a gradual event.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eThe page that decides whether a claim is paid\u003c\/h3\u003e\n\u003cp\u003ePart V closes with an age and insurance register. Your insurer's rigging age requirement is often shorter than your spar maker's, and it is the one that matters at the moment you need it. Model R6 turns the year each wire was fitted into a percentage of whichever interval you transcribed — and the record makes it obvious when one new forestay is sitting in a rig of fifteen old wires.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eWho it is for\u003c\/h3\u003e\n\u003cul style=\"line-height:1.75;\"\u003e\n  \u003cli\u003eOwners who have just had the rig tuned professionally and want the figures kept before they are forgotten\u003c\/li\u003e\n  \u003cli\u003eOwners who inherited a boat with no rigging history and need to establish what is actually aloft, and how old\u003c\/li\u003e\n  \u003cli\u003eRacing crews who re-tune through a season and want last season's settings to still exist\u003c\/li\u003e\n  \u003cli\u003eAnyone whose insurer or surveyor has started asking about rigging age\u003c\/li\u003e\n  \u003cli\u003eOwners preparing to sell, where an undocumented rig is a five-figure deduction waiting to happen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eHow it relates to the Due Diligence Kit\u003c\/h3\u003e\n\u003cp\u003eThe Due Diligence Kit inspects a rig once, from the deck, before you buy. This record is what you keep afterwards: the figures your rigger specified, the tune they set, and every session since. One answers \u003cem\u003eshould I buy this boat\u003c\/em\u003e. The other answers \u003cem\u003ewhat has this rig been doing for three years\u003c\/em\u003e, which is a question only a record can answer and no inspection ever can.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;margin:12px 0 4px;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;width:42%;\"\u003eProduct ID\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eAML-RIG-2026-01\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eExtent\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e27 pages · 7 parts · 6 calculation models\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eRegister lines\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e168 across reference, inventory, geometry, tuning, inspection and age\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eInteractivity\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e788 live PDF form fields — 44 tick boxes and 744 entry fields\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eFormats included\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eA4 and US Letter, both fillable and print-ready, 27 pages each\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eRigs\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eMasthead or fractional, wire or rod, up to 20 positions — no rig-specific data\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eUnits\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eUnit-neutral — kg, lb or gauge reading, you set them and record which\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eOffline\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eNo app, no account, no connection required once downloaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eWhat it is not\u003c\/h3\u003e\n\u003cp\u003eThis document records, structures and compares figures that you supply. It publishes no tension, no share of breaking load, no rake, no prebend, no replacement interval and no threshold at which a wire should be condemned, and it reaches no conclusion about any rig.\u003c\/p\u003e\n\u003cp\u003eIt is not a rigging inspection, not a tuning guide and not engineering advice. Those judgements belong to a qualified rigger or spar maker working to your own spar documentation and to the requirements of your insurer.\u003c\/p\u003e\n\n\u003cp style=\"margin-top:26px;\"\u003e\u003cstrong style=\"color:#0A3F5C;\"\u003eInstant download.\u003c\/strong\u003e Your links appear on screen the moment payment clears, and arrive by email within a minute. They do not expire.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#5C6B75;line-height:1.65;margin-top:22px;border-top:1px solid #E1E8EC;padding-top:16px;\"\u003e\u003cem\u003e2026 Captain's Edition · Revision 1.0 · AML-RIG-2026-01. Apex Marine Labs designs the organisational process behind good seamanship. Our documents record and organise; they do not replace a certified marine survey, a rigging inspection, or a qualified rigger.\u003c\/em\u003e\u003c\/p\u003e","brand":"Apex Marine Labs","offers":[{"title":"Default Title","offer_id":56016420602024,"sku":"AML-RIG-2026-01","price":97.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/1161\/2072\/files\/apex-standing-rigging-record-01-cover.webp?v=1789766346"},{"product_id":"sail-inventory-condition-register-pdf","title":"Sail Inventory \u0026 Condition Register PDF — Wardrobe, Usage Hours \u0026 Shape Record","description":"\u003cp style=\"font-size:1.05em;line-height:1.7;\"\u003e\u003cstrong\u003eA sail does not die of depth. It dies of the draft creeping aft, and that starts years before anyone says the sail looks tired.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAsk most owners how many hours are on their mainsail and you get a shrug and an estimate. The estimate is almost always low. Ask them what their genoa cost per hour of use, or which sail to budget for next, and there is no answer at all — not because the question is hard, but because nobody wrote down the two numbers it needs.\u003c\/p\u003e\n\n\u003cp\u003eThis record holds the wardrobe: what each sail is, what it cost, where it actually lives, how many hours it has been set, and the two ratios that show it losing the shape it was cut with.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#0A3F5C;border-left:4px solid #C5A059;border-radius:4px;padding:22px 24px;margin:26px 0;color:#F7F9FA;\"\u003e\n  \u003cp style=\"margin:0 0 4px;font-size:0.72em;letter-spacing:0.14em;text-transform:uppercase;color:#C5A059;font-weight:700;\"\u003eWhat you receive\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 14px;font-size:1.25em;line-height:1.35;color:#FFFFFF;\"\u003eA six-part record for the life of the wardrobe\u003c\/p\u003e\n  \u003cul style=\"margin:0;padding-left:18px;line-height:1.75;color:#DCE6EC;\"\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 24-line reference page\u003c\/strong\u003e for the cloth, wind ranges and service intervals you transcribe from your own loft, with the source and page beside each\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 20-line wardrobe inventory\u003c\/strong\u003e — cloth and weight, year, cost, sail number and, in the column almost nobody fills in, exactly where the bag is stowed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eTwelve sails across six seasons\u003c\/strong\u003e of cumulative hours on a single spread, with season notes underneath\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eDraft depth and draft position\u003c\/strong\u003e measured as ratios, per sail and over time, with the method recorded once so the readings stay comparable\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 20-line condition register and a separate 14-line loft assessment\u003c\/strong\u003e — deliberately not the same page\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eAn 18-line repair register and 6 calculation models\u003c\/strong\u003e for life consumed, usage rate, seasons remaining, depth, draft position and cost per hour\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eThe two numbers that change how you buy sails\u003c\/h3\u003e\n\u003cp\u003eModel S2 is a usage rate: hours between two season closes, divided by the seasons. It sounds trivial and almost nobody has it. Model S3 takes that rate and the life your loft quoted and tells you how many seasons are left — which turns a new mainsail from a Friday-in-June emergency into a line in next winter's budget.\u003c\/p\u003e\n\u003cp\u003eModel S5 is the sleeper: how far aft the point of maximum depth has moved, as a share of the chord. A stretched sail closes its leech and stops the boat pointing long before it looks worn out, and this is the measurement that catches it.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#F7F9FA;border:1px solid #E1E8EC;border-left:4px solid #A2803C;border-radius:4px;padding:20px 22px;margin:26px 0;\"\u003e\n  \u003cp style=\"margin:0 0 6px;color:#0A3F5C;font-weight:700;\"\u003eNot one published service life. Deliberately.\u003c\/p\u003e\n  \u003cp style=\"margin:0;line-height:1.7;\"\u003eA cruising dacron mainsail and a racing membrane headsail of the same age have nothing in common. Service life depends on the cloth, the construction, the boat, the water it is sailed in and what you ask of it. Any single figure printed here would be wrong for most readers and expensively wrong for some. So you transcribe yours once, from your own loft — and if they gave you no figure, the blank line is itself a finding.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eJudging a sail is a sailmaker's work. This is a record of it.\u003c\/h3\u003e\n\u003cp\u003eNo page here tells you when a sail is finished, whether a recut is worth it, or whether a repair is economic. Those judgements are made with the sail flat on a loft floor by somebody who has seen a thousand of them. Part IV is split for exactly that reason: twenty lines for what you can see, feel and photograph, and a separate fourteen recording what a loft assessed, what they found and what they recommended — with their name against it.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eThe column crews thank you for\u003c\/h3\u003e\n\u003cp\u003eThe inventory has a field for where each sail is stowed, in words a stranger could follow. “Forepeak, port side, third bag from the bulkhead” beats “forepeak” by an hour on the morning you need the storm jib, in the dark, with somebody else's crew aboard.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eWho it is for\u003c\/h3\u003e\n\u003cul style=\"line-height:1.75;\"\u003e\n  \u003cli\u003eOwners with a wardrobe accumulated over years and no idea what any of it has done\u003c\/li\u003e\n  \u003cli\u003eRacing crews who need to know which sail is losing shape before the season, not during it\u003c\/li\u003e\n  \u003cli\u003eAnyone weighing a recut against a replacement and wanting the arithmetic rather than the feeling\u003c\/li\u003e\n  \u003cli\u003eOwners preparing to sell, where an undocumented wardrobe is valued as an old one\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eHow it relates to the Standing Rigging Record\u003c\/h3\u003e\n\u003cp\u003eThe Standing Rigging Record covers what holds the mast up. This one covers what drives the boat. They share a reference-page method and a season rhythm, and together they are the complete paper history of everything above deck — which is the half of a boat a surveyor can least easily reconstruct from an afternoon's inspection.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;margin:12px 0 4px;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;width:42%;\"\u003eProduct ID\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eAML-RIG-2026-02\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eExtent\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e24 pages · 6 parts · 6 calculation models\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eRegister lines\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e188 across reference, inventory, usage, shape, condition and repairs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eInteractivity\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e928 live PDF form fields — 44 tick boxes and 884 entry fields\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eFormats included\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eA4 and US Letter, both fillable and print-ready, 24 pages each\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eWardrobes\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eSloop, cutter, ketch or yawl — up to 20 sails, four lines unlabelled\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eUnits\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eUnit-neutral — hours or miles, you choose once and record which\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eOffline\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eNo app, no account, no connection required once downloaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eWhat it is not\u003c\/h3\u003e\n\u003cp\u003eThis document records, structures and compares figures that you supply. It publishes no service life, no wind range, no draft depth, no replacement interval and no threshold at which a sail should be retired, and it reaches no conclusion about any sail.\u003c\/p\u003e\n\u003cp\u003eIt is not a sail assessment, not a trimming guide and not sailmaking advice. Those judgements belong to a qualified sailmaker working with the sail in front of them.\u003c\/p\u003e\n\n\u003cp style=\"margin-top:26px;\"\u003e\u003cstrong style=\"color:#0A3F5C;\"\u003eInstant download.\u003c\/strong\u003e Your links appear on screen the moment payment clears, and arrive by email within a minute. They do not expire.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#5C6B75;line-height:1.65;margin-top:22px;border-top:1px solid #E1E8EC;padding-top:16px;\"\u003e\u003cem\u003e2026 Captain's Edition · Revision 1.0 · AML-RIG-2026-02. Apex Marine Labs designs the organisational process behind good seamanship. Our documents record and organise; they do not replace a certified marine survey, a sail assessment, or a qualified sailmaker.\u003c\/em\u003e\u003c\/p\u003e","brand":"Apex Marine Labs","offers":[{"title":"Default Title","offer_id":56016599548072,"sku":"AML-RIG-2026-02","price":97.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/1161\/2072\/files\/apex-sail-inventory-register-01-cover.webp?v=1789769570"},{"product_id":"rig-tune-target-speed-log-pdf","title":"Rig Tune \u0026 Target Speed Log PDF — Instrument Calibration, Settings Matrix \u0026 Your Own Polar","description":"\u003cp style=\"font-size:1.05em;line-height:1.7;\"\u003e\u003cstrong\u003eNobody sells a boat speed that has never been checked against a measured run. A great many people sail to one.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eA log reading three per cent low makes every target you ever chase three per cent wrong, and you will spend a season blaming the sails. A masthead unit twisted four degrees will convince you the boat points better on one tack for as long as you own it. Both are two afternoons of work to fix, and almost nobody does them.\u003c\/p\u003e\n\n\u003cp\u003eSo this record puts calibration in Part II, before a single performance page. What comes after is a settings matrix in your own wind bands, twenty observation runs, and a polar grid that starts empty and fills up over a season.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#0A3F5C;border-left:4px solid #C5A059;border-radius:4px;padding:22px 24px;margin:26px 0;color:#F7F9FA;\"\u003e\n  \u003cp style=\"margin:0 0 4px;font-size:0.72em;letter-spacing:0.14em;text-transform:uppercase;color:#C5A059;font-weight:700;\"\u003eWhat you receive\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 14px;font-size:1.25em;line-height:1.35;color:#FFFFFF;\"\u003eA seven-part record, calibration first\u003c\/p\u003e\n  \u003cul style=\"margin:0;padding-left:18px;line-height:1.75;color:#DCE6EC;\"\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 24-line reference page\u003c\/strong\u003e for whatever your designer, class association or sailmaker specified — and a blank line where nothing was, which is itself a finding\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 12-entry calibration register\u003c\/strong\u003e with a column for the value that was set \u003cem\u003ebefore\u003c\/em\u003e you changed it\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA settings matrix in ten wind bands you define yourself\u003c\/strong\u003e — backstay, cap and lower turns, jib lead, halyard, traveller, each row with a reference you quote in the log\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003e20 observation runs\u003c\/strong\u003e recording true wind, boat speed, VMG, heel and the setting reference in force\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003eA 72-cell polar grid\u003c\/strong\u003e — twelve angles by six wind bands, filled with speeds you have actually achieved\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong style=\"color:#FFFFFF;\"\u003e6 calculation models\u003c\/strong\u003e, each with its own working table, plus a 16-line session debrief\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eThere is no polar in this document\u003c\/h3\u003e\n\u003cp\u003eA designer's polar is a promise made about a bare hull in a towing tank — before your sails, your bottom, your crew weight and your ground tackle. It is a useful sanity check and a terrible target.\u003c\/p\u003e\n\u003cp\u003eThe grid in Part IV starts empty. By the end of a season it holds the only figures you actually have to beat: the ones you have already hit, on your boat, with your crew. Model P5 compares today against that, not against somebody's brochure.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#F7F9FA;border:1px solid #E1E8EC;border-left:4px solid #A2803C;border-radius:4px;padding:20px 22px;margin:26px 0;\"\u003e\n  \u003cp style=\"margin:0 0 6px;color:#0A3F5C;font-weight:700;\"\u003eTwo models are geometry. Four are your own measurements.\u003c\/p\u003e\n  \u003cp style=\"margin:0;line-height:1.7;\"\u003eP3 (true wind from apparent) and P4 (velocity made good) hold for any vessel afloat — they are trigonometry, not performance claims. Everything else in the record is a figure you measured on your own boat or transcribed from your own documentation. No target speed, no polar, no tuning setting and no crossover point is published anywhere in these 23 pages.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eThe model that settles arguments\u003c\/h3\u003e\n\u003cp\u003eP6 tests a setting change back to back in matched conditions, with the order swapped on the second pair so a wind shift cannot sell you a setting that was never faster. Most settings differences are smaller than the noise. This is how you find out which ones are not — and it will cost you some cherished beliefs.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eOn a boat with no tuning guide, this becomes the tuning guide\u003c\/h3\u003e\n\u003cp\u003eOutside one-design classes, most boats have no published tune at all. The matrix in Part III fills that gap with something better than a generic guide: ten bands you defined, and what your rig is actually set to in each, referenced from every run in the log.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eWho it is for\u003c\/h3\u003e\n\u003cul style=\"line-height:1.75;\"\u003e\n  \u003cli\u003eRacing crews who suspect their instruments and have never proved it either way\u003c\/li\u003e\n  \u003cli\u003eOwners of boats with no class tuning guide, building one from scratch\u003c\/li\u003e\n  \u003cli\u003eAnyone who has bought a fast sail and cannot tell whether it made a difference\u003c\/li\u003e\n  \u003cli\u003eCruisers who want honest passage planning numbers rather than optimistic ones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eHow it relates to the Standing Rigging Record\u003c\/h3\u003e\n\u003cp\u003eThe Standing Rigging Record holds the mast up and tracks its tension and age. This one records what the rig is \u003cem\u003eset to\u003c\/em\u003e and what the boat does as a result. Together with the Sail Inventory they are the complete performance history of everything above deck — the half of a boat that no single afternoon's inspection can reconstruct.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eTechnical specification\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.95em;margin:12px 0 4px;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;width:42%;\"\u003eProduct ID\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eAML-RIG-2026-03\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eExtent\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e23 pages · 7 parts · 6 calculation models\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eRegister lines\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e188 across reference, calibration, settings, observation, polar and debrief\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eInteractivity\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003e845 live PDF form fields — 24 tick boxes and 821 entry fields\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eFormats included\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eA4 and US Letter, both fillable and print-ready, 23 pages each\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eBoats\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eAny sailing vessel — one-design, handicap or cruising, no boat-specific data\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eUnits\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eUnit-neutral — knots or metric, you set them and record which\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;color:#0A3F5C;font-weight:600;\"\u003eOffline\u003c\/td\u003e\n\u003ctd style=\"padding:9px 0;border-bottom:1px solid #E1E8EC;\"\u003eNo app, no account, no connection required once downloaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#0A3F5C;margin:30px 0 8px;\"\u003eWhat it is not\u003c\/h3\u003e\n\u003cp\u003eThis document records, structures and compares figures that you supply. It publishes no target speed, no polar, no tuning setting and no crossover point, and it reaches no conclusion about any boat.\u003c\/p\u003e\n\u003cp\u003eSailing to a performance target is a matter of judgement about the conditions, the sea state and the safety of your crew. No number in a document can make that judgement for the person on the helm.\u003c\/p\u003e\n\n\u003cp style=\"margin-top:26px;\"\u003e\u003cstrong style=\"color:#0A3F5C;\"\u003eInstant download.\u003c\/strong\u003e Your links appear on screen the moment payment clears, and arrive by email within a minute. They do not expire.\u003c\/p\u003e\n\n\u003cp style=\"font-size:0.9em;color:#5C6B75;line-height:1.65;margin-top:22px;border-top:1px solid #E1E8EC;padding-top:16px;\"\u003e\u003cem\u003e2026 Captain's Edition · Revision 1.0 · AML-RIG-2026-03. Apex Marine Labs designs the organisational process behind good seamanship. Our documents record and organise; they do not replace a certified marine survey, a naval architect, or a qualified sailmaker.\u003c\/em\u003e\u003c\/p\u003e","brand":"Apex Marine Labs","offers":[{"title":"Default Title","offer_id":56016668033192,"sku":"AML-RIG-2026-03","price":97.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/1161\/2072\/files\/apex-rig-tune-target-speed-01-cover.webp?v=1789771067"}],"url":"https:\/\/apexmarinelabs.com\/collections\/rig-sails-performance.oembed","provider":"Apex Marine Labs","version":"1.0","type":"link"}