Kijito 2008 Windpump
Bobs Harries Engineering Ltd with CWD Netherlands
A wind-powered groundwater pump.
Kijito 2008 is a model within the Kijito 2000 series of small wind pumps manufactured by Bob Harries Engineering Ltd (BHEL). Kijito wind pumps are prevalent in the East Africa region and come in a range 8 – 26 feet of rotor diameters. The Kijito 2000 series is intended to be suitable for small holder farmers, with water sources of about 20m below ground and who need a limited amount of water for livestock and domestic needs.
East Africa, primarily Kenya and Tanzania, with very limited global distribution.
$2,981 USD for the Kijito 2008.
Diesel powered water pumps, Solar powered water pumps, Southern Cross Windmill, Dempster, Climax and Comet.
Goal 6: Clean water and sanitation
Targeted for small holder farmers, with water sources of about 20 m below ground and who need water domestic, agricultural and livestock needs.
Produced in Thika, Kenya by BHEL. Currently, BHEL have a staff of 20 skilled personnel, who manufacture the entire range of windpumps and pump cylinders. Apart from the imported ball bearings, the entire Kijito Windpump range is manufactured using local components at the BHEL workshop.
Can be ordered directly by contacting BHEL
The Kijito 2008 windpump transmits power from the eccentrically placed rotor to the pump through a rocker to the pumprods. All rotating components run on ball and roller bearings, which require lubrication twice a year using a vehicle grease gun. The Kijito 2008 model specifications follow:
- Rotor Diameter: 8 ft with 12 blades
- Tower: Steel tubular mast with steel rod guides hinged at the tower base. Kijitos are normally supplied on 30 ft (9 m) tripod towers. However extension sections are available as options to increase the rotor height and get better performance. All towers are hinged at their bases to allow easy erection and servicing. This also greatly facilitates access to the borehole when the wind pump is lowered, and reduces borehole and pump maintenance time and costs.
- Tail: Hinged side vane attached to the transmission via a steel boom providing automatic over speed control by means of yawing activated by the eccentrically placed rotor and hinged vane
- Furling: Done by hand with a stop rod on the transmission
- Weight: Rotor 50 lbs (22.7 kgs), Transmission 104 lbs (47 kgs), Tower 198 lbs (90kgs)
The system can be installed by the customer, using instructions provided, and is transportable in most 1 tonne pick-ups. Alternatively, a foreman can be provided by BHEL to oversee the installation assuming housing is provided.
The rotor blades can be individually replaced, if damaged for any reason.
~20 years, with proper operations and maintenance, which is often a challenge.
At a 6m head the Kijito 2008, under ideal conditions, is capable of pumping yields of up to 4,400 GPD, assuming 10 hours of useful wind per day.
Performance testing has been conducted by the manufacturer.
No hazards listed by designer.
5 ft tower extension is available.
Harries, M., Disseminating wind pumps in rural Kenya – Meeting rural water needs using locally manufactured wind pumps, Energy Policy, 2002, 30 (11):1087-1094. DOI: 10.1016/S0301-4215(02)00060-5
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