https://www.onemetre.net/Design/Design.htm Design Home Design Build Race Links Reports Other Topics +--------------------------------------------------------------------------------+ |Topic |Site Pages | |----------------------------------------------------------------+---------------| | |Engineering | | |formula for | | |lift | | |Momentum theory| | |of lift | | |Lifting line | |How aerofoils work |theory of lift | |Where lift comes from |Circulation | | |theory of lift | | |Circulation, | | |Planform, | | |Bubbles | | |2D flow | | |simulation | | |(AMYA MY #212) | |----------------------------------------------------------------+---------------| | |Downwash | |How fins and sails work |Sail section | |Aspect ratio, Wash, |lift | |Planform & Vortices, |Slot Effect | |Boundary layer, |Wind tunnel (2)| |Reynolds number, |Sheeting angles| |Sheeting, Twist, Slot |Boundary layer | | |(AMYA MY #185) | |----------------------------------------------------------------+---------------| | |Apparent Wind | | |Wind Gradient | | |Twist due to | | |wind gradient | | |Big boat | | |instrumentation| | |Wind tunnel | | |Drive vs heel | |How a yacht works |Wind tunnel | |Points of sailing, |Goosewinged vs | |Downwind sailing and hull speed, |same gybe | |Sailing on the wind, |The course | |Lift & drag, |theorem, | |Apparent wind |pointing, and | | |drag angles | | |Lift to drag | | |(AMYA MY #178) | | |Velocity made | | |good (AMYA MY #| | |180) | | |VMG & pointing | | |(AMYA MY #181) | |----------------------------------------------------------------+---------------| | |Bulb size & | | |shape | | |Bulb cant | | |Marko's bulb | | |calculator | |Appendage design |Foil planforms | |Fin & rudder size, |Fin area | |Fin & rudder planforms, |Fin Position | |Fin sections, |Foil Sections | |Rudder sections, |and forces | |Rudder balance |Oval Bulb | | |Wetted surface | | |area (AMYA MY #| | |183) | | |IOM bulb drag | | |(AMYA MY #184) | |----------------------------------------------------------------+---------------| | |Hull design | | |with arcs | | |Metacentric | |Hull design |moments | |Froude number, |Boundary layer | |Surface friction, |Flow around a | |Wave drag, |hull | |Hull lines |Flow around a | | |hull 2 | | |Permitted | | |roughness | | |Turbulators | |----------------------------------------------------------------+---------------| | |Sail shape | | |Sail draft | | |2D Entry & Exit| | |Angles | |Sails and rigging design |Gap between | |Shrouds, Jumpers, Stays, |sail and mast | |Spreaders, |Sail Twist | |Mast, Sail-mast interaction |Twist & | |Jibstay sag, Windage, |downwash | |Gooseneck geometry, |Twist | |Topping lift, |measurement | |Sail camber |Twist | |Gap between jib foot and deck |measurement | | |(part 2) | | |Wind tunnel (3)| | |Twist | | |Jib foot gap to| | |deck | |----------------------------------------------------------------+---------------| | |Balance due to | | |hull shape | | |Rig tune and | | |snap weather | | |helm | | |Tuning weather | | |helm | |The boat as a whole |Simple VPP | |Balance, Stability, |Heel apparatus | |Environment, Trade-offs, |for "A" | |Class rule effects |Stiffness (AMYA| | |MY #173) | | |Canoe body yaw | | |(AMYA MY #176) | | |Balance, part I| | |(AMYA MY #187) | | |Balance, part | | |II (AMYA MY # | | |188) | +--------------------------------------------------------------------------------+ --------------------------------------------------------------------- (c)2025 Lester Gilbert