Catalyst is published every January, April, July & October,
and is free to subscribing members of AYRS.
Some back numbers are available at:
Nos 1-32: £4.00 (non-members), £3.50 (members),
No 33 et seq: £5.00 (non-members), £4.50 (members),
including surface postage.
Contents
| No | Features | PDF download? |
| 1 (Jan 2000) | Weymouth Speedweek, Newport symposium, performance measurement, land sailing, kite sailing, solar & human power | Open sample |
| 2 (Jul 2000) | Hydrofoil sailing, America's Cup, performance modelling, experiments | Open & read |
| 3 (Jan 2001) | Hull design, proas, ferro cement, seadogs, performance | Open & read |
| 4 (Apr 2001) | Sunshine sailing canoe; Sailrocket; designing racing dinghies (pt 1) | Open & read |
| 5 (Jul 2001) | Wind profiles, Costes hydrofoils, rotors, designing dinghies (pt 2) | Open & read |
| 6 (Oct 2001) | Quarterline hull shapes, Revolution amphibious sailer, speedsailing | Open & read |
| 7 (Jan 2002) | John Hogg prizes 2001 (Swingsail, glider-sail, windlogger); Swifgig | Open & read |
| 8 (Apr 2002) | Special edition on Rigs, | Open & read |
| 9 (Jul 2002) | Conveyor belt foils, Kcat70, Ergonomic oars | Open & read |
| 10 (Oct 2002) | Speedweek, Hydrofoils, Windrigger cat, Downwind faster than the wind | Open & read |
| 11 (Jan 2003) | John Hogg prizes 2002, Hull & keel design, windmills, Rigs | Open & read |
| 12 (Apr 2003) | Rigs, Monofoil, Downwind faster than the wind | Open & read |
| 13 (Jul 2003) | Hapa Stabilised Sail Craft, Smart Anchor, Mill-Prop paradigm, Balancing Act | Open & read |
| 14 (Oct 2003) | Alice May;Automatic Headboard; Kite Sail system; Spar Buoys | Open & read |
| 15 (Jan 2004) | John Hogg Prize 2003: Quatrefoil; Free Spirit trimaran; Gravity Shift keel; AYRS-Bolt; Polar Curves | Open & read |
| 16 (Apr 2004) | Marine Engine; Water Sports for Disabled People; Paddle wheel design; Autonomous Wing-Sailed Catamaran | Open & read |
| 17 (Jul 2004) | A New Mug; Fishtails, Raymotion, and Gondolas; Romy Rig; 50 Knot Barrier; Autonomous Wing-Sailed Catamaran (pt 2); Soft Wing Sails | Open & read |
| 18 (Oct 2004) | Moths on Foils; Transition rig; 4 x the Wind; Buoyant Keel Boats & Boards | Open & read |
| 19 (Jan 2005) | Outleader Kites;Downwind as fast as you like; Mini-Trimaran; A Monoplane Wingsail Cruising Trimaran; AYRS John Hogg Memorial Prize Award 2005; New world sailing speed record; Weymouth Speedweek;Case for a new mug; Proa crew wanted | Open & read |
| 20 (Apr 2005) | Rushing About on Ivanpah 2004; Elementarry; The Wave Rocker; The Power Alternating Sailing (PAS) Principle and the Mill-Prop Principle; Kites & Sailing Records; Concept Boat, RIBEX | Open & read |
| 21 (Jul 2005) | Freewing; Moorhen; A Bauer String Yacht Demonstration; IDEC; New proa launched; Rowing record; CATRI; WSSRC ratifications; Wincheetah; Broker wanted; DWFTTW; Drawing Long-Radius Curves | Open & read |
| 22 (Oct 2005) | Coastal rowing gains direction; A new analysis of the Pacific crab claw rig; Self-righting multihulls; Design and construction of hulls for Windriggercat (WRC) 6800; More on DWFTTW; Weymouth Speedweek, Concept Boat competition; Quatrefoil, ROCAT; soft wingsails, DWFTTW | Open & read |
| 23 (Jan 2006) | John Hogg Competition report; Innovative Self Steering Gear; Stabilising foils and variable geometry for proas; A different approach to Sail Design & Construction; Tri-foiler project update; | Open & read |
| 24 (Apr 2006) | A Voyaging Canoe for Tikopia; A different approach to Sail Design & Construction; Stingray; Creating an Efficient Propeller; Rotorboat | Open & read |
| 25 (Jul 2006) | A Bauer String Yacht Demonstration; A Double Land Yacht reveals Direct Sailing to be a Cam Action; Windfinder; How Wings and Sails Work; DDWFTTW Response to Peter Jefferson & Bernard Slotboom; Pocock’s ‘The Aeropleuistic Art’ | Open & read |
| 26 (Jan 2007) | Biplane Hagedoorn Craft; Going for a Spin (or Sailing the Rotorboat); AYRS Weymouth Meeting | Sorry, not curently available |
| 27 (Apr 2007) | Sorry, not currently available | |
| 28 (Jul 2007) | Special edition from Ken Upton: Wave power - the wave rocker; Circling kites gather more power; Conveyor foils - a high density renewable-energy collector; Traction kites and Eco-Reefs; Eco-wings Mk 4. Also: Colin Mudie on Square Rig; Profoil - a hydrofoil assisted, 2-way flying proa; Danger from kites on boats; (DDWFTTW) Speed downwind vs gear ratio in a Bauer vehicle |
Open & read |
| 29 (Jan 2008) | Sorry, not currently available | |
| 30 (Apr 2008) | What have you done for AYRS? Howard Fund; Some thoughts about unpowered heavier-than-air aircraft; Sailing in the jet-stream; Single-oared sculling; Kenape-type kite systems; No entries yet for the John Hogg Prize! | Open & read |
| 31 (Jul 2008) | Open & read | |
| 32 (Oct 2008) | Open & read | |
| 33 (Jan 2009) | Open & read | |
| 34 (Apr 2009) | Open & read | |
| 35 (Jul 2009) | Open & read | |
| 36 (Oct 2009) | From Table-top to Sea: A New Design of Downwind Sail; Free Spirit, an amphibious trimaran suitable for both disabled and able-bodied sailors; Fred’s Folly an experimental boat; Wind Powered Seaplane Or Hagedoorn Revisited; “Sue” Lewis, 1920 - 2009; Books for after Christmas? - "The Gougeon Brothers on Boat Construction", "Higher Performance Sailing", "Aero-Hydrodynamics and the Performance of Sailing Yachts" | password protected |
| 37 (Jan 2010) | Sail Modules for Larger Ships ; Poppy - a split junk rig ; Automatically Deflecting Fins for Sailing Yachts; The Howard Fund What it is, how AYRS will use it, and how you can apply for a grant ; AYRS John Hogg Prize Award 2010 | password protected |
| 38 (Apr 2010) | Development of the Morley Tethered Kite System ; Innovation in Rating Sail Areas ; Why doesn’t AYRS offer a Hagedoorn Centenary Prize? ; Sailing a Faster Course - Hypotheses from a study of polar performance curves; Meet the Committee - Graeme Ward, Sheila Fishwick | password protected |
| 39 (Jul 2010) | The UCD Roboboat; Sailing a faster course - Finding the Optimal Course to target; Variable Geometry Hapa; Meet the Committee - Slade Penoyre, Simon Fishwick | password protected |
| 40 (Oct 2010) | Speedweek 2010 Pictures; The Dolfin Project Pt 1 - The Hydrodynamic Simulator; Sailing a faster course - Integrating Results to Whole Legs; AYRS John Hogg Memorial Award 2011; Outboard Tilt Lock; Broad Horizons; Book reviews - "The RIB", "Practical Dinghy Cruiser", The Psychology of Sailing" Meet the Committee - John Perry, Michael Ellison | password protected |
| 41 (Jan 2011) | password protected | |
| 42 (Apr 2011) | password protected | |
| 43 (Jul 2011) | password protected | |
| 44 (Oct 2011) | password protected | |
| 45 (Jan 2012) | password protected | |
| 46 (Apr 2012) | TBA | password protected |
A Searchable Index to Catalyst is here