Will Burt 711990491, Operating Instructions Manual, Page: 20 / 114

S
TILETTO
AL O
PERATING
I
NSTRUCTIONS
1-6 Original Instructions TP-5418901-F
August 2020
Table 1-2 Stiletto AL Mast System Specifications Continued
Specifications* 4-Meter 6-Meter 8.54-Meter 10-Meter 15-Meter
Extension and Retraction Performance
(See Note Below)
Approximate Extension
Time
(Powered, 28 VDC)
< 35
seconds
< 60
seconds
< 85
seconds
< 100
seconds
< 150
seconds
Approximate Extension
Time
(Manual)
< 110
seconds
< 180
seconds
< 270
seconds
< 320
seconds
< 740
seconds
Approximate Retraction
Time
(Powered, 28 VDC)
< 35
seconds
< 60
seconds
< 85
seconds
< 100
seconds
< 150
seconds
Approximate Retraction
Time
(Manual)
< 110
seconds
< 180
seconds
< 270
seconds
< 320
seconds
< 740
seconds
Maximum Tilt From Vertical
(See Note Below)
Operational 10° 10° 10° 10° 5°
Maximum Altitude Above Sea Level
Operational 4572 m
(15,000 feet)
4572 m
(15,000 feet)
4572 m
(15,000 feet)
4572 m
(15,000 feet)
4572 m
(15,000 feet)
Temperature Performance
(See Note Below)
Operating Temperature
Range
-51°C to 60°C (-60°F to 140°F)
Storage Temperature
Range
-51°C to 70°C (-60°F to 158°F)
Airborn Noise Emissions
(measured according to EN ISO 3744:2010)
Deploying & Retracting
A-weighted sound pressure level: 71 dB(A)
C-weighted instantaneous pressure level: 72 dB
A-weighted sound power level: 79 dB(A)
Guying
Is guying required? No
Is guying an option? Yes. Consult factory.
Continued
* Note:
•
Dimensions and specifications are provided for reference only and are not intended for vehicle design
purposes.
•
Specifications may be subject to change without notice.
•
Maximum payload weight will impact other performance specifications. Consult The Will-Burt Company
for additional information.
•
Manual extension and retractions times assume estimated manual crank speed of 1.5 meters per minute
•
Maximum Tilt from Vertical assumes the rated payload.
•
Typical Payload Sail Area (CD = 1.5) is as follows:
o
4-meter Stiletto AL: 1.58 square meters (17 square feet)
o
6-meter Stiletto AL: 1.11 square meters (12 square feet)
o
8.54-meter Stiletto AL: 1.02 Square meters (11 square feet)
o
10-meter Stiletto AL: 1.02 Square meters (11 square feet)
o
15-meter Stiletto AL: 0.74 square meters (8 square feet)
Consult factory for larger sail areas, as the payload and wind capacities may be reduced.