2
Degree
Load (N/m
)
Knots
0
< 40
0-1
1
< 40
1-3
2
< 40
4-6
3
< 40
7-10
4
40
11-16
5
70
17-21
6
110
22-27
7
> 110
28-33
8
> 110
34-40
9
> 110
41-47
10
> 110
48-55
11
> 110
56-63
12
> 110
> 64
Wind resistance class of awning: Degree 5 (see data sheet 3)
DATA SHEET 2 - BALLAST FOR COUNTER-WEIGHT ASSEMBLY
Model
Counter-weight
DEFENSE 11
Kg 168 (8 plates)
DEFENSE 14
Kg 168 (8 plates)
* weight of single plate = 21 Kg
Rev. 7 - 06.2012
DATA SHEET 1 - STRENGTH AND EFFECTS OF THE WIND ACCORDING TO THE BEAUFORT SCALE
Km/h
m/s
Environmental situation
0-1
< 0,3
Calm
1-5
0,3-1,5
Light air
6-11
1,6-3,3
Light breeze
12-19
3,4-5,4
Gentle breeze
20-28
5,5-7,9
Moderate breeze
29-38
8-10,7
Fresh breeze
39-49
10,8-13,8
Strong breeze
50-61
13,9-17,1
Near gale
62-74
17,2-20,7
Gale
75-88
20,8-24,4
Strong gale
89-102
24,5-28,4
Storm
103-117
28,5-32,6
Violent storm
> 118
> 32,7
Hurricane
Concrete plate*
Resistance Degree
dimensions (cm):
Degree 4
50x50x3
dimensions (cm):
Degree 3
50x50x3
VELOMBRA SRL USER MANUAL DEFENSE
Effects of the wind
Dead calm, smokes rises vertically.
Wind direction is indicated by smoke, not by flag.
Wind felt in face and the flag moves.
Leaves and small branches move.
Raises dust and paper, small branches are moved.
Small trees begin to sway.
Large branches move, umbrellas used with difficulty.
Large branches move, very difficult to walk against the wind.
Branches broken from trees, difficult to walk outdoors.
Tiles fall from roofs.
Trees uprooted.
Serious damage to buildings.
Immense damage.
DATA SHEET 3 - ANCHORAGES
Load on anchor*
Model
Degree 5
DEFENSE 11
471 daN
DEFENSE 14
760 daN
1 daN => 1 Kg
* Should it not be possible to guarantee the loads indicated in the data sheet, the wind resistance class
of the product will be Degree 3
DATA SHEETS
No. anchors
Degree 4
270 daN
4
435 daN
4
27 of 70