The Barton Windicator is available in 3 models:

Model: Windicator W200L (Barton part# 84002). A wind direction Indicator for the Laser/ILCA lower mast.

• Can also be used on any mast with a 2.5" (63mm) 45-50mm diameter mast (round section).
• 100% accurate in 2 knots of wind.
• Weighs only 34 grams.
• Simple and effective clamp does away with the need for straps

Model: Windicator W200OPTI (Barton part# 84002) Optimist Racing Model. Suitable for Optimist sailing dinghies. No holder.

• Vane arm length 200mm
• 100% accurate in 2 knots of wind
• Weighs only 22 grams
• 4.8mm shaft diameter.
• Fits into the mainsail luff sleave at the top of the mast

Model: Windicator 200S (Barton part# 84001)Racing Model. Suitable for sailboats 2-4 meters LOA

• Designed to clip onto Starling yacht masts. Also suitable for the Topper, Optimist or Blokart landsailers or any any sailboat with a 45-50mm diameter mast.
• 100% accurate in 2 knots of wind
• Weighs only 28 grams

The Barton Marine Fact sheet on the Windicator range can her download HERE

The following dinghy classes has been tested to confirm the Barton Windicator fits:

W200S
RS Terra
Hartley Streaker
Hartley H10
 
W200 L
Byte CI - CII
Fusion
RS Aero 6 & 7
Hartley H12
RS100
RS Neo
Seldon D+ Mast section
D-Zero