World Power Technologies WHISPER H40 Datasheet

Whisper H40

SIZE MATTERS

WHISPER H40 (Replaces WHISPER H900)

Designed for outstanding performance in all wind speeds. Use the Whisper H40 to provide power for

charging batteries for cabins, small homes, ham radios, telecommunications, remote monitoring and

The new look
of wind power

Quality made

in the U.S.A.

The all new WHISPER H40

features

• brushed aluminum casting

• enclosed windings and

rotor

• patented ANGLE
GOVERNOR (see below)

• exclusive EZ-Wire System
Center (see reverse)

• lifetime molded blades (3)

• highest efficiency blade

design in the industry

• high output windings

• lifetime brush and slipring

assembly

• 2-year warranty

• ready for up to 700 watts

of PV

7 ft (2.1 m)diameter7 ft (2.1 m)diameter

7 ft (2.1 m)diameter➡

7 ft (2.1 m)diameter7 ft (2.1 m)diameter

signaling, cathodic protection, oil platforms, rural electrification and many other applications.

The Whisper H40 with twice the swept area (40sq ft/ 3.6 sq/m) of the H20 gives you twice the

electricity, more than 100 kwh/month in a 12 mph average wind speed. Select the H40 for

a tremendous value for your money.

Compare: twice the area = twice the electricity

40 sq ft (3.6 sq/m) swept ar40 sq ft (3.6 sq/m) swept ar

40 sq ft (3.6 sq/m) swept ar

40 sq ft (3.6 sq/m) swept ar40 sq ft (3.6 sq/m) swept ar

eaea

105 kwh/mo*105 kwh/mo*

ea➡

105 kwh/mo*

eaea

105 kwh/mo*105 kwh/mo*

H40

H20

OTHER

3–3.8 ft diameter

7-11 sq ft area

under 30 kwh/mo*

*in 12 mph (5.4 m/s) average wind speed

Average

Wind Speed Kilowatt Hrs.

mph m/s kwh/month

8 3.6 31

9 4.0 45
10 4.5 63
11 4.9 83
12 5.4 105
13 5.8 129
14 6.3 153

New Angle Governor

You need the patented World Power
ANGLE GOVERNOR for:

• MAXIMUM OUTPUT in low winds (unlike
folding tail designs)

• MAINTAINED OUTPUT in high winds

• WHISPER QUIET in all winds

• FULL FURLING SURVIVAL in extreme winds

5 (1.5 m) ft diameter

20 sq ft (1.8 s/m)

area

53 kwh/mo*

7 ft (2.1m) diameter

40 sq ft (3.6 s/m)

SPECIFICATIONS

Peak power@12.5m/s(28 mph) 900 watts
Rated power@10m/s(22mph) 460 watts
Cut-in wind m/s / mph 3.4/7.5
Controller included EZ 120/1600
Molded, fiber reinforced blades 3
Prop tip to center cm/in 34/14
Min. blade clearance cm/in 20/8
Battery voltage standard 24
Battery voltages selectable 12/32/48
Standard mount pipe/tube 2.5"schd40
Lateral thrust nts/lbs 430/100
Tower top weight kg/lbs 21/47
Ship dim cm/in 107x36x31 / 42x14x12
Ship wt kg/lbs 39/85

area

105 kwh/mo*

Authorized Dealer

propeller diameter 7FT/2.1M

INDUSTRY LEADER SINCE 1978

19 Lake Avenue North, Duluth MN 55802 USA
phone [phone] • fax [phone]
e-mail: sales@w orldpowertech.com
web: www.worldpowertech.com

40 sq ft swept area