HADRON H2 Owner’s Manual 2018
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CONTENTS
1. Introduction
2. Preparing & Rigging the H2
3. Sailing the H2.
4. Care and Maintenance
5. Class Association
6. Insurance
1. Introduction
The Hadron H2 singlehander dinghy is a modern design of classic lines which uses the
latest materials and techniques in its construction. The boat is of carbon fibre/aramid
fibre/Corecell foam/epoxy resin composite construction, with a small additional amount
of glass fibre in certain areas. The exterior finish is polyester gelcoat resin. All areas
where fittings are attached are reinforced with nylon or high density glassfibre pads or
similar materials. No timber is used anywhere in the boat.
The aim has been to keep the hull weight as low as is practically possible, while
delivering a robust and long lasting product. Careful handling and use will ensure that
the boat maintains its condition and will help maintain its resale value.
Before you sail the H2 for the first time (and at regular intervals after that), check that
all shackles, knots etc are tight. Ensure that you have a tool kit handy when you first rig
the boat, in case small adjustments need to be made.
The Hadron H2 is a one-design racing dinghy. The hull and centreboard are strictly
controlled but the owner is allowed some discretion with regard to type, make and
location of fittings. The rig is controlled by dimensions and spars and sail may only be
supplied by a manufacturer licensed by Hadron Dinghies Ltd. A new ’standard fit-out’
Hadron H2 utilises Super Spars spars and HD Sails sail. For further information, see
the Hadron H2 Class Rules at
http://hadrondinghy.com/HADRON%20H2%20Class%20Rules%202016%20V6.1.pdf.
The designer originally proposed a Portsmouth Yardstick for the Hadron H2 of 1040.
This is based on the principal parameters of the boat and is likely to be amended as
real race data is accumulated and analysed. In March 2018 the RYA published an
Experimental PY for the H2 of 1037. Experience suggests that the PY may end up 7-10
points lower than this as expertise builds within the class.
2. Preparing & Rigging the H2
These instructions apply to an H2 with the ’standard specification’ layout.
Rig Setup – mast rake
The mast rake is adjusted by use of the vernier plates at the base of each shroud.
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