Catalog Model 3-20M Uhdl - Will Burt 7-30 HDL Operating Instructions Manual

10.4.8

Catalog Model 3-20M UHDL

3-20M Ultra Heavy Duty Locking
Pneumatic Mast with Remote Locking System
Mast
• 3-20M UHDL Pneumatic Mast with Remote Locking System
• Nest Height = 9 ft 10 in. [3.0 m]
• Fully Extended Height = 65 ft. 7 in. [20.0 m]
• No. of Tubes = 10
• Tube Set = 5.25" – 13.50"
• Max Payload Capacity = 530 lb. [240.4 kg]
Survival Wind Speed Assumptions
• Payload Weight = 530 lb. [240.4 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: 5063301
• 2-level, 4-way guying to platform and 9.14" collar
• 58 ft. [17.8 m] Guying Radius
• 1/4" steel guy lines
• (4) 6" Screw Anchors
OPERATING INSTRUCTIONS
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