Strap Drive

Will-Burt’s Strap Drive Quick Erecting Antenna Mast (QEAM) is available in 21, 25, 30 and 34 meter heights.

QEAM Aluminum
Strap Drive Mast

Will-Burt’s Strap Drive Quick Erecting  Antenna Mast (QEAM) uses an internal strap wound between tube sections for mast elevation. Designed for manual operation, The Strap Drive QEAM has heavier payload weight-lifting capability, and is available in 21, 25, 30 and 34 meter heights. Contact us today to purchase a QEAM mast system.

Essential Features

  • Maintains azimuth – minimal twist deflection
    • Reliable full-length external keyways
  • Positions payload at any height
    • Automatic locking collars – patented latch system
  • Manual mechanical driveThe QEAM mast uses an internal strap wound between tube sections for manual elevation and heavier payload weight-lifting capability.
    • Reliable deployment without power
  • Automatic locking collars
    • Locks at any desired height with patented latch mechanism
    • Mechanical stops
      • Prevents over-extension
    • Full length keys on sections
      • Prevents twist
    • Maintenance free
      • Polymer drive nuts require no greasing
    • Built in cable management
      • Cable loops added at collars
    • Corrosion resistant
      • All parts are anodized aluminum and stainless steel
      • Drive crank is a completely sealed mechanism

    Specifications

    Aluminum Strap Drive Model TM 21 TM 25 TM 30 TM 34
    Nested Height 14.6 ft. / 4.45 m 14.8 ft. / 4.5 m 19.3 ft. / 5.9 m 19 ft. / 5.8 m
    Extended Height 68.9 ft. / 21 m 82 ft. / 25 m 98.4 ft. / 30 m 112 ft. / 34 m
    Guying 4 level / 4 way 5 level / 4 way 5 level / 4 way 5 level / 4 way
    Number of Sections 6 7 6 7
    Weight (mast only) 197 lb. / 90 kg 220 lb. / 100 kg 250 lb. / 114 kg 265 lb. / 121 kg
    Weight (accessory kit) 245 lb. / 111 kg 275 lb. / 125 kg 275 lb. / 125 kg 275 lb. / 125 kg
    Payload capacity 180 lb. / 80 kg 150 lb. / 68 kg 150 lb. / 68 kg 110 lb. / 50 kg
    Max. sail area 6 sq. ft. / 0.6msq CD=1.5 6 sq. ft. / 0.6msq CD=1.5 6 sq. ft. / 0.6msq CD=1.5 6 sq. ft. / 0.6msq CD=1.5
    Ice load 0.5 in. / 12 mm 0.5 in. / 12 mm 0.5 in. / 12 mm 0.5 in. / 12 mm
    Max. erection wind * 25 mph / 40 km/h 25 mph / 40 km/h 25 mph / 40 km/h 25 mph / 40 km/h
    Operational wind 60 mph / 97 km/h 60 mph / 97 km/h 60 mph / 97 km/h 60 mph / 97 km/h
    Survival wind 80 mph / 128 km/h 80 mph / 128 km/h 80 mph / 128 km/h 80 mph / 128 km/h
    Surface mounting ±15° slope ±15° slope ±15° slope ±15° slope
    Deployment time 3 persons, 25 min 3 persons, 30 min 3 persons, 30 min 3 persons, 30 min
    Drive system Strap Drive Strap Drive Strap Drive Strap Drive
    Finish Mil-A-8625 Type II, CL 2 Black Mil-A-8625 Type II, CL 2 Black Mil-A-8625 Type II, CL 2 Black Mil-A-8625 Type II, CL 2 Black

    Specifications are for reference only and are subject to change. Please contact Will-Burt Engineering for current and exact specifications.
    *Must be guyed for wind speeds over 25mph / 40km/h
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