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Moth

Take flight with Quantum Sails. Featuring all NEW designs for 2023: the Q-AX and Q-HX Moth sails join the existing Q-A1 and H1. These new sails, designed by Moth Class leader Mike Lennon and inspired by the recent performance of the Quantum Q-A1 and QH-1 sails, are race-proven against impressive competition right off the line. The new designs have the draft further back, and the shape is more constant from luff to leech. Both sizes offer a higher mode upwind and a lower mode downwind. The high-performing Moth Class requires a maximized design for efficiency and speed, and Quantum’s sails deliver.

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Moth Mainsails

Moth A1i

The Q-A1 is constructed of premium Dimension Polyant Tyra i-Lex and features a draft-forward design that, when paired with the right mast, makes it easier to sail for most sailors across a wide 5- to 25-knot range. Improved deck sweep and sail body construction make this all-around sail a great choice.

The Q-A1 features a universal tack arrangement to fit any mast post or mast setup. The batten arrangement and placement make tension setup a breeze, and the 10mm Rocket adjusters on the DS diagonal battens create desired sail shape and improve the DS section performance.

The Q-A1 is available with deck sweeper length options of 900mm, 1050mm, and 1200mm. The 900 option fits the pre-DS typical mainsheet on the hull and boom without need for modification. Newer boats generally settle on the 1050 and 1200 options, with some being adjustable. Contact your Quantum Sails Moth expert to discuss any specific DS requirements.

INCLUDES: C-tech carbon battens, injection molded cams, and sail bag.

Moth H1i

To eliminate the need for multiple masts and shrouds or heavy air foiling, the Q-H1 moth is available with a 7.5 square meter size based on the same luff length and specifications of the Q-A1. Constructed of premium Dimension Polyant Tyra i-Lex, the Q-H1 is optimized for wind ranges above 16 knots.

The Q-H1 is available with deck sweeper length options of 900mm, 1050mm, and 1200mm. The 900 option fits the pre-DS typical mainsheet on the hull and boom without need for modification. Newer boats generally settle on the 1050 and 1200 options, with some being adjustable. Contact your Quantum Sails Moth expert to discuss any specific DS requirements.

INCLUDES: C-tech carbon battens, injection molded cams, and sail bag.

Moth Q-AXm

The Q-AX is constructed of premium Fusion membrane, integrating the luff and sail body into one section. The new design has the draft further back and the shape is more constant from luff to leech. It is also deeper in the upper part. This significant change helps reduce the weakness of the DS lower-rig concept and negate some of the power losses, compared to standard rigs of the past. The performance profile of the new Q-AX 8.2 design is that it offers earlier take-off and a deeper downwind mode. The mid and upper battens are more draft aft, with the mid-2 batten being a little softer. The batten pockets are now inside the sail skins and the deck sweeper sections are also part of the membrane structure.  When paired with the right mast, it makes it easier to sail for most sailors across a wide 5- to 25-knot range. Improved deck sweep, sail shape, and construction make this all-around sail a great choice.

The Q-AX features a universal tack arrangement to fit any mast post or mast setup. The batten arrangement and placement make tension setup a breeze, and the 10mm Rocket adjusters on the DS diagonal battens create desired sail shape and improve the DS section performance.

The Q-AX is available with deck sweeper length range from 850mm to 1250mm depending on your specific sail setup. The 900 option fits the pre-DS typical mainsheet on the hull and boom without need for modification. Newer boats generally settle on the 1050 and 1200 options, with some being adjustable. Contact your Quantum Sails Moth expert to discuss any specific DS requirements.

INCLUDES: C-tech carbon battens, injection molded cams, and sail bag.

Moth Q-HXm

To eliminate the need for multiple masts and shrouds or heavy air foiling, the Q-HX is available with a 7.5 square meter size based on the same luff length and specifications of the Q-AX. Constructed of premium Fusion membrane, integrating the luff and sail body into one section. The new design has the draft further back and the shape more constant from luff to leech. The Q-HX carries all the same features and performance of the Q-AX and is optimized for wind ranges above 16 knots. You can set a deeper shape for a given heeling force versus the bigger sails; this provides a better-pointing angle, and with less “wetted” area, you have less drag, so you go higher and faster!

The Q-HX is available with deck sweeper length range from 850mm to 1250mm depending on your specific sail setup. The 900 option fits the pre-DS typical mainsheet on the hull and boom without need for modification. Newer boats generally settle on the 1050 and 1200 options, with some being adjustable. Contact your Quantum Sails Moth expert to discuss any specific DS requirements.

INCLUDES: C-tech carbon battens, injection molded cams, and sail bag.

Choose a Team Member

Michael Lennon

Before becoming a sailmaker in 1986, Michael Lennon trained as a mechanical engineer, but engineering was a short distraction. Ever since he started sailing in 1976, Mike wanted to be a sailmaker. Learning to sail on an Albacore and then helming his Mirror dinghy, Mike progressed to the popular Scorpion Class, taking his first title in 1986. He moved through multiple dinghy and keelboat classes with two Olympic campaigns in the Flying Dutchman and later the Tornado.


Mike's sailmaking career began at Hyde Sails, first as a development sailmaker before moving into design and management. He led the charge in securing OEM business, landing the new Laser and RS business along with smaller contracts. In 2001, Mike established offshore production in the Philippines and later became CEO of the company. Soon after the company was sold, Mike founded Lennon Sails and Lennon Racewear (wetsuits).


"Leaving behind Lennon Sails was not an easy decision, but having worked on projects with Quantum Sails, I can see what a great company it is. All that fantastic technology at my fingertips was too much to resist!"

Basic info
  • Position: Sail Consultant and Designer
Career highlights
  • 2016 International Moth European Champion
  • 2014 International Moth UK Champion
  • 2014 International Moth pre-Worlds winner
  • 2014 International Moth 10th Worlds
  • 2010 International Moth 7th Worlds
  • Pre-2010:
  • RS800 UK Champion
  • Merlin Rocket UK Champion 
  • 3x Scorpion UK Champion 
  • Albacore UK Champion 
  • Fireball Worlds, 3rd 
  • Fireball Europeans, 2nd 
  • Flying Dutchman UK Champion 
  • International 14 POW Champion (UK Nationals)
  • 2x Melges 24 UK Champion 
  • 2x Mumm 30 Spi Quest winner 
  • 3x Cowes week Melges 24 Class winner 
  • 2x Cowes week Mumm 30 winner 
  • Commodore's Cup tactician Farr 40, winning team and top scoring boat
Date Regatta Result
May 14, 2023 2023 Moth Open - Stokes Bay 3
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