Starboard Foil Aluminium GT-R Plus Set
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GTR PLUS
The freerace foil. Designed for speed on a reach, broad downwind and with power reserves to drive back upwind. Ideal for fast, sporty recreational foiling, fast foil jibes and setting your personal best top speeds
Available in Carbon and Aluminium
WHY "PLUS"?
Compared to the original GTR, the new GTR Plus swaps the 95 Standard fuselage for the new 95 Plus fuselage.
This new fuselage shifts the front wing forwards and reduces tail wing angle to make it more aligned with the front wing, creating what we call a High Efficiency Foil Geometry (NZ Pat. App. No. 751177). With both wings flying through the water at more parallel angles, you release more speed, you get quicker acceleration and more control.
"It's like someone released the handbrake" Gonzalo Costa Hoevel, PWA Foil Champion.
HIGH EFFICIENCY FOIL GEOMETRY - HOW DOES IT WORK?
Conventional Foil
In the diagram above, the weight of sailor and sail is producing an anti-clockwise moment. The foil creates an equal and opposite clockwise moment to maintain flight. Since the front wing position is closer to the mast, it has less clockwise leverage.
The tail wing therefore needs more angle compared to the front wing for the foil to generate enough total clockwise moment. More tail wing angle = more drag.
High Efficiency Foil Geometry
The front wing position is further forward so it has more clockwise leverage. The tail wing doesn't need to work as hard so it can be set at a lower angle.
When the front wing and tail wing are closely aligned, there is less drag. You fly with more efficiency, more speed and more stability.
WINGS
Both the GTR Plus Carbon and the GTR Plus Aluminium use the same 95 Plus fuselage and the same full pre-preg carbon front and tail wings.
The 800 front wing is a high-aspect wing designed for all-round racing in medium to high wind conditions. The Tom Speer-designed profile is thin and relatively symmetrical, delivering speed with consistency. It has enough shape to provide constant lift and traction at various speeds. This is critical for negotiating low wind lulls, handling high wind gusts and making a wing you can trust all racing scenarios - overtaking, defending your line, recovering from small errors and foil jibing with confidence.
The 330 tail wing was chosen to add some extra power and make foil jibes easier through the mid-jibe sail and feet transitions.
Some riders like to use 255 tail wing to reduce power and improve control in stronger winds. See the Custom Shop section at the bottom of this page for more details.
FRONT WING FITTING:
SADDLE SYSTEM
The GTR Plus foil uses the saddle system for maximum connection stiffness. The front wing sits on a wide flat surface and locks in place via four countersunk M6 Torx bolts. The threads are anodized and reinforced with stainless steel helicoils for strength and corrosion resistance.
Will this fuselage work with other wings and masts?
Yes. This fuselage is compatible with all masts and compatible with all wings that use the saddle system. However, they won't work with wings designed for the Quick Lock system or the SuperCruiser wing.
TAIL WING FITTING SYSTEM
The tail wing also uses a saddle system. An angle spacer sits between the wing and the fuselage. Changing the angle spacers allows the rider to adjust tail wing angle to optimise performance based on wind speed and the desired flying configuration: more power or more control.
TUNING TIPS
TRIMMING YOUR TAIL WING
The 95 Plus fuselage is supplied with six angle spacers ranging from -2 degrees to +1 degree. By default, we recommend starting with the Tail Wing Angle Spacer of -1.5 degrees or -1 degrees for the GTR Plus
| Wind Speed | Recommended Angle |
| 25+ knots | -2° |
| 15-25 knots | -1.5° |
| 12-14 knots | -1° |
| 10-12 knots | -0.5° |
| 8-9 knots | 0° |
| 7 knots | +1° |
These suggested tail wing angles are based on the 330 tail wing and 800 front wing. Your optimum tail wing angle may differ depending on your tail wing size, your body weight, sail size, sailing style, personal preferences and front wing size.
AVAILABLE IN CARBON AND ALUMINIUM
CARBON
The GTR Plus Carbon is supplied with the Carbon 85cm mast. It is built with forty layers of pre-preg high-modulus uni-axial and bi-axial Toray carbon, hydraulically pressed, heated and fused into one monolithic mast of incredible stiffness. The shape of the mast has also been optimized for flexural and torsional stiffness. Computer-simulated analysis shows the Starboard mast, by virtue of its shape alone, is already up to 52% stiffer than a traditional mast.
ALUMINIUM
The GTR Plus Aluminium is supplied with the Aluminium V5 85cm mast. It is built from an extrusion of 6061 aluminium, a grade of aluminium that we selected for its strength, weight and superior corrosion resistance. The V5 is extra-strong and extra stiff, making it suitable for windsurf foiling. Three oversized I beam stringers and five 12mm stainless steel bolts carry the vertical loads. It is even stronger and stiffer than the Aluminium V7 masts used for wing and wave foils.
SUMMARY
The GTR Plus foil is ideal for fast, sporty recreational foiling, fast foil jibes and setting your personal best top speeds .
The Carbon version is supplied with a carbon mast and the Aluminium version is supplied with an aluminium mast.
What's in the GTR Plus Foil Box?
| Front Wing: | 800 |
| Tail Wing: | 330 |
| Fuselage: | 95 Plus |
| Mast: | Carbon 85cm Deep Tuttle or Aluminium V5 85cm Deep Tuttle |
| Other items: | 1x Torx Key and a set of bolts to assemble the foil. The GTR Plus Carbon is supplied with a Team Bag. The Aluminium version is supplied without. |
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