Diameter D = 1.04 m
Number of blades B = 3
Design tip speed ratio ld = 3.5
Mass including 1 m tower pipe m = 4.85 kg
Starting wind speed Vstart = 2.6 m/s
Survival wind speed Vsurv = 30 m/s
Cut in wind speed (if started) Vcut in = 2 m/s
Rated wind speed Vrated = 8 m/s
Nominal voltage 12 V DC
Power at rated wind speed P = 6 W
In this manual the 3-bladed VIRYA-1.04, electricity generating windmill, is described. The generator of this windmill is made of a Shimano Nexus hub dynamo type DH-2R40 or another type with similar flange dimensions. It is expected that, together with the detailed drawings, the windmill can be manufactured in a simple workshop.
For more details see the web page of
Adriaan Kragten, B. Sc.
Populierenlaan 51, 5492 SG Sint-Oedenrode, The Netherlands
Telephone: + 31 413 475770
and download the pdf file manual_virya-1.04_may_2013.pdf