Catalog Model 8-39 Uhdl - Will Burt 7-30 HDL Operating Instructions Manual

10.4.6

Catalog Model 8-39 UHDL

8-39 Ultra Heavy Duty Locking
Pneumatic Mast with Remote Locking System
Mast
• 8-39 UHDL Pneumatic Mast with Remote Locking System
• Nest Height = 7 ft 10 in. [2.4 m]
• Fully Extended Height = 39 ft. 4 in. [12.0 m]
• No. of Tubes = 8
• Tube Set = 6.75" – 13.50"
• Max Payload Capacity = 980 lb. [444.5 kg]
Survival Wind Speed Assumptions
• Payload Weight = 980 lb. [444.5 kg]
• Payload Coefficient of Drag = 1.3
• Payload centroid is on mast axis and 12" [304.8 mm] above top of mast
• Mast securely constrained at bottom of mast as well as approximately 5" [127 mm] below collar of base tube by WB supplied
hardware or equivalent
• 0 degree mast base deployment angle
• All wind speeds measured at 33 ft above ground level
• Cabling is secured together and fixed to the mast
• Survival wind speed will be reduced for increasing payload centroid distance above top of mast
• This analysis does not include any evaluation of the stability of a trailer, the trailer, outriggers, and anchors are assumed
fixed.
TP-5580101-A
FEBRUARY 2022
PNEUMATIC MAST WITH REMOTE LOCKING SYSTEM
Survival Wind Speed
Performance Curve
Guying Kit
• WB P/N: 4519701
• 2-level, 4-way guying to platform and 7.50" collar
• 50 ft. [15.24 m] Guying Radius
• 3/16" steel guy lines
• (4) 6" Screw Anchors
OPERATING INSTRUCTIONS
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