Product Manual A

AIR Owner’s Manual 9
PROPER SITING = Better Performance & Increased Longevity
Look at vegitation deformation to determine best area and
prevailling wind direction.
Griggs-Putnam Index. *Probable mean annual windspeed. Data prepared by E.W.
Hewson, J.E. Wade, and R.W. Baker of Oregon State University
EXCESSIVE TURBULENCE = Fatigue Damage & Shorter Turbine Life
1
2
3
1
2
3
1
2
3
Prevailing wind
1
2
3
1
2
3
1
2
3
Plateau/Mesa
Ridge TopsCoastal or Lakeside
Prevailing wind
Prevailing wind
Prevailing wind
76 m (250 ft)
ATYPICAL SITING CONSIDERATIONS
0
No Deformity
I
5-9 mph*
Brush & Slight
Flagging
II
8-11 mph*
Slight Flagging
III
10-13 mph*
Moderate
Flagging
IV
12-16 mph*
Complete
Flagging
V
14-18 mph*
Partial Throwing
VI
15-21 mph*
Complete
Throwing
VII
22-higher mph*
Carpeting
1
2
3
1
2
3
1
2
3
Prevailing wind
1
2
3
1
2
3
1
2
3
Plateau/Mesa
Ridge TopsCoastal or Lakeside
Prevailing wind
Prevailing wind
Prevailing wind
Coastal or Lakeside
Trees and taller structures
can be down-wind.
Ridge Tops
Wind compresses as it
blows over the top of a hill,
increasing the wind speed.
Plateau/Mesa
Site the generator far
enough from the cli to
avoid turbulent wind.
Excess
Turbulence
1
2
3
1
2
3
1
2
3
Prevailing wind
1
2
3
1
2
3
1
2
3
Plateau/Mesa
Ridge TopsCoastal or Lakeside
Prevailing wind
Prevailing wind
Prevailing wind
1
2
3
1
2
3
1
2
3
Prevailing wind
1
2
3
1
2
3
1
2
3
Plateau/Mesa
Ridge TopsCoastal or Lakeside
Prevailing wind
Prevailing wind
Prevailing wind
PRIOR TO INSTALLATION
Siting Tips for Permanent Installations
Turbine should be a minimum of 76m (250 ft) away from and 6m (20 ft)
above obtacles.