NRG Systems

80m XHD TallTower™

Taller turbines demand higher wind measurements. With its top sensor level at 80 meters, this 81.3 meter tower will give you reliable data at or near the hub height of today’s most commonly-used turbines.

  No Paint, No Anchors (#4771) No Paint, Anchors (#4773) Paint, No Anchors (#4772) Paint, Anchors (#4774)
Installation  
Tools required Please see NRG 80 meter XHD TallTower manual Please see NRG 80 meter XHD TallTower manual Please see NRG 80 meter XHD TallTower manual Please see NRG 80 meter XHD TallTower manual
Winch required 4814 - Winch | 80m XHD Tower 4814 - Winch | 80m XHD Tower 4814 - Winch | 80m XHD Tower 4814 - Winch | 80m XHD Tower
Ginpole required 4831 - Ginpole | 80m XHD Towers 4831 - Ginpole | 80m XHD Towers 4831 - Ginpole | 80m XHD Towers 4831 - Ginpole | 80m XHD Towers
Physical  
Erected height 81.3 m (266.7 ft) 81.3 m (266.7 ft) 81.3 m (266.7 ft) 81.3 m (266.7 ft)
Tube diameter 203 mm (8 inches) and 254 mm (10 inches) 203 mm (8 inches) and 254 mm (10 inches) 203 mm (8 inches) and 254 mm (10 inches) 203 mm (8 inches) and 254 mm (10 inches)
Footprint Standard: uses 3 anchor radii, largest = 55 m (180.4 feet) Standard: uses 3 anchor radii, largest = 55 m (180.4 feet) Standard: uses 3 anchor radii, largest = 55 m (180.4 feet) Standard: uses 3 anchor radii, largest = 55 m (180.4 feet)
Guy radii 45 m (147.6 ft) / 50m (164.0 ft) / 55m (180.4 ft) 45 m (147.6 ft) / 50m (164.0 ft) / 55m (180.4 ft) 45 m (147.6 ft) / 50m (164.0 ft) / 55m (180.4 ft) 45 m (147.6 ft) / 50m (164.0 ft) / 55m (180.4 ft)
Guyset levels
  • 9.9 m (32 .5 ft)
  • 19.36 m (63.5 ft)
  • 28.82 m (94.6 ft)
  • 38.28 m (125.6 ft)
  • 47.74 m (156.6 ft)
  • 57.86 m (189.8 ft)
  • 67.64 m (221.9 ft)
  • 77.42 m (254.0 ft)
  • 9.9 m (32 .5 ft)
  • 19.36 m (63.5 ft)
  • 28.82 m (94.6 ft)
  • 38.28 m (125.6 ft)
  • 47.74 m (156.6 ft)
  • 57.86 m (189.8 ft)
  • 67.64 m (221.9 ft)
  • 77.42 m (254.0 ft)
  • 9.9 m (32 .5 ft)
  • 19.36 m (63.5 ft)
  • 28.82 m (94.6 ft)
  • 38.28 m (125.6 ft)
  • 47.74 m (156.6 ft)
  • 57.86 m (189.8 ft)
  • 67.64 m (221.9 ft)
  • 77.42 m (254.0 ft)
  • 9.9 m (32 .5 ft)
  • 19.36 m (63.5 ft)
  • 28.82 m (94.6 ft)
  • 38.28 m (125.6 ft)
  • 47.74 m (156.6 ft)
  • 57.86 m (189.8 ft)
  • 67.64 m (221.9 ft)
  • 77.42 m (254.0 ft)
Guy wire diameter Guy Levels 1-6: 7.9 mm (5/16 in); Guy Levels 7 & 8: 9.5 mm (3/8 in) Guy Levels 1-6: 7.9 mm (5/16 in); Guy Levels 7 & 8: 9.5 mm (3/8 in) Guy Levels 1-6: 7.9 mm (5/16 in); Guy Levels 7 & 8: 9.5 mm (3/8 in) Guy Levels 1-6: 7.9 mm (5/16 in); Guy Levels 7 & 8: 9.5 mm (3/8 in)
Tube wall thickness 8 in & 10 in dia. tube wall thickness = 3.4 mm (.134 in) nominal (10 GA); Transition 2.8 mm (.109 in) nominal (12 GA) 8 in & 10 in dia. tube wall thickness = 3.4 mm (.134 in) nominal (10 GA); Transition 2.8 mm (.109 in) nominal (12 GA) 8 in & 10 in dia. tube wall thickness = 3.4 mm (.134 in) nominal (10 GA); Transition 2.8 mm (.109 in) nominal (12 GA) 8 in & 10 in dia. tube wall thickness = 3.4 mm (.134 in) nominal (10 GA); Transition 2.8 mm (.109 in) nominal (12 GA)
Tube length(s) 2.21 m (87 inches) maximum 2.21 m (87 inches) maximum 2.21 m (87 inches) maximum 2.21 m (87 inches) maximum
Tube joints Tube-Joints secured by 3 evenly spaced 5/8" bolts Tube-Joints secured by 3 evenly spaced 5/8" bolts Tube-Joints secured by 3 evenly spaced 5/8" bolts Tube-Joints secured by 3 evenly spaced 5/8" bolts
Materials  
Tube G-90 galvanized steel, hot roll base C1015 or C1020, conforms to ASTM A568 G-90 galvanized steel, hot roll base C1015 or C1020, conforms to ASTM A568 G-90 galvanized steel, hot roll base C1015 or C1020, conforms to ASTM A568 G-90 galvanized steel, hot roll base C1015 or C1020, conforms to ASTM A568
Guy wires 7X19 galvanized or stainless steel wire rope per Federal Specification RR-W-410F 7X19 galvanized or stainless steel wire rope per Federal Specification RR-W-410F 7X19 galvanized or stainless steel wire rope per Federal Specification RR-W-410F 7X19 galvanized or stainless steel wire rope per Federal Specification RR-W-410F
Guy rings G-90 galvanized steel G-90 galvanized steel G-90 galvanized steel G-90 galvanized steel
Anchors None 203 mm (8 in) dia. single and double helix screw-in earth anchors (when applicable) N/A 203 mm (8 in) dia. single and double helix screw-in earth anchors (when applicable)
Baseplate G-90 galvanized steel, 4.8 mm (.188 in) thick, 7 GA G-90 galvanized steel, 4.8 mm (.188 in) thick, 7 GA G-90 galvanized steel, 4.8 mm (.188 in) thick, 7 GA G-90 galvanized steel, 4.8 mm (.188 in) thick, 7 GA
Wire rope clips 9.5 mm (3/8 in) and 7.9 mm (5/16 in) drop-forged, galvanized steel 9.5 mm (3/8 in) and 7.9 mm (5/16 in) drop-forged, galvanized steel 9.5 mm (3/8 in) and 7.9 mm (5/16 in) drop-forged, galvanized steel 9.5 mm (3/8 in) and 7.9 mm (5/16 in) drop-forged, galvanized steel
Structural  
Wind and Ice Loading capabilities Wind and wind with ice limit loads meet ANSI/TIA-222-G Standard. Please see NRG 80 m XHD TallTower Manual Appendix A for details. Wind and wind with ice limit loads meet ANSI/TIA-222-G Standard. Please see NRG 80 m XHD TallTower Manual Appendix A for details. Wind and wind with ice limit loads meet ANSI/TIA-222-G Standard. Please see NRG 80 m XHD TallTower Manual Appendix A for details. Wind and wind with ice limit loads meet ANSI/TIA-222-G Standard. Please see NRG 80 m XHD TallTower Manual Appendix A for details.
Safety features  
Obstruction marking See Obstruction Lighting Product Page for Federal Aviation Administration (FAA) AC-70/7460-1K compliant options. See Obstruction Lighting Product Page for Federal Aviation Administration (FAA) AC-70/7460-1K compliant options. See Obstruction Lighting Product Page for Federal Aviation Administration (FAA) AC-70/7460-1K compliant options. In conjunction with lighting, painted towers meet the requirements of FAA AC 70/7460-1K. The paint color used for obstruction marking complies with Federal Standard FED-STD-595 and passes ASTM D3359 Standard Test Methods for Measuring Adhesion by Tape Test. See Obstruction Lighting Product Page for Federal Aviation Administration (FAA) AC-70/7460-1K compliant options. In conjunction with lighting, painted towers meet the requirements of FAA AC 70/7460-1K. The paint color used for obstruction marking complies with Federal Standard FED-STD-595 and passes ASTM D3359 Standard Test Methods for Measuring Adhesion by Tape Test.

NRG Systems • 110 Riggs Road • Hinesburg, Vermont 05461 • +1 802-482-2255 • info@nrgsystems.com