UP Summit XC4 (LTF/EN B*)

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PERFORMANCE NEVER FELT BETTER

The Summit XC4 is a high-end EN B wing that is very easy to fly, and even more to the point, it is a wing that is very easy to fly far on. The handling of the wing is closely related to that of our popular high-end EN C wing, the Trango XC3, and this means that it will communicate even better, letting its pilot know precisely what is going on where, but without feeling nervous in the process. The glide at high speeds, so critical for into-wind performance on long XC flights, has been further improved compared to the Summit XC3, and with the light and efficient speed system and the very stable aerofoil there is simply no reason to hang around – just get on that bar and mash it, comfortable in the knowledge that you can control any little surge with the C-handles even before they turn into proper surges.

 

summitxc4-2017

  • New Generation “sharknose” Aerofoil, to maintain optimal internal pressure at all angles of incidence,
  • FSS* and RSS to maintain aerofoil integrity at all angles of incidence as well as improve collapse resistance,
  • New riser design with efficient C-steering ability,
  • Optimised aspect ratio of 4.8 (projected)**, to improve gliding performance and energy retention on fast, turbulent glides,
  • Brake Tensioning System (BTS2), helps us to achieve the class-leading climbing performance and improves handling,
  • BB pulleys used throughout on the speed system for a soft, efficient speed bar,
  • Speed system which changes the AoA differently across the span, leading to more stability at high speeds, rare collapses and more benign reactions to collapses (hence the EN B rating),
  • Our 3D panel shaping leads to less wrinkles in the canopy, better performance and higher collapse resistance,
  • Low-drag line layout means minimum drag and better performance,
  • Swept-back wingtips for improved handling, better climbing,
  • Mini ribs in the trailing edge for perfect trailing edge definition, improved handling and climbing, and a more comfortable ride,
  • Optimised combination of Dyneema and Technora lines for best longevity and a stable AoA even in strong turbulence, no unwanted pitching upon thermal entry,
  • Handling and feel a perfect mix of Summit XC3 and Trango XC3 Series, meaning extreme efficiency with high fun-factor!

*) Front Section Support system/ Rear Section Support system; Nylon battens in leading- and trailing edges, respectively

**) 6.3 flat A/R

 

TECHNICAL DATA

SIZE S S/M M L
Surface area flat (m2) 21,1 23,5 25,5 27,0
Surface area projected (m2) 17,9 19,9 21,6 22,9
Flat span (m) 11,5 12,2 12,7 13,1
Projected span (m) 9,3 9,7 10,1 10,5
Flat aspect ratio 6,3 6,3 6,3 6,3
Projected aspect ratio 4,8 4,8 4,8 4,8
Chambers/cells 56 56 56 56
Total line length incl. Brake (m) 223 233 241 249
Total # of lines incl. Brake 196 196 196 196
Total canopy weight 5,1 5,3 5,6 5,9
Category EN B* B* B* B*
Takeoff weight (kg) 65-85 75-100 90-115 100-130

  *) Pending certification

MATERIALS

Location Material
Top surface front Porcher Skytex 38 Universal
Top surface thin stripe Porcher Skytex 38 Universal
Top surface broad stripe Porcher Skytex 38 Universal
Top surface rear Porcher Skytex 38 Universal
Bottom surface Domenica 30DMF
Cell walls Porcher Skytex 40 Hard
Gallery lines Edelrid 8000U-130/090/070/050 (Aramid unsheathed)
Middle lines Edelrid 8000U-200/130/090 (Aramid unsheathed)/Liros DC200 (Dyneema unsheathed)
Main lines Liros DC300/DC200 (Dyneema unsheathed), Edelrid 8000U-230  (Aramid unsheathed)
Brake lines Cousin 989-1,5 (Dyneema ummantelt)/ Edelrid 8000U-090/050 (Aramid unsheathed)

Additional information

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