<div dir="ltr">We installed a total of six different small vertical axis wind turbines in San Francisco at Crissy Field starting over 10 years ago. I'll paste a screenshot of the street view below. The systems were very well monitored but unfortunately the webpage is now down. Long story short, the inverters used more power (just standby loads) than the turbines produced. The best turbine produced annually about what a single 200 watt PV module would produce. So, don't install VAWT if you want any energy!<div><br></div><div><img src="cid:ii_llfkyu7j0" alt="image.png" width="548" height="257"><br></div><div><br></div><div>August</div><div>Luminalt</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Aug 17, 2023 at 12:42 PM Jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div dir="ltr"></div><div dir="ltr">Im curious if anyone has actual measured data on a VAWT. </div><div dir="ltr"><br></div><div dir="ltr">It just seems like they are meat for the end of the worlders</div><div dir="ltr"><br></div><div dir="ltr">Jay</div><div dir="ltr"><br><blockquote type="cite">On Aug 17, 2023, at 12:50 PM, Dan Fink via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="ltr">Jay, as Roy mentioned, the small wind situation in the 1-2 kW range right now is pretty grim - Tons of awful imported products with vastly inflated "ratings" flooding the market on Amazon, Ebay and AliBaba. I was particularly impressed (NOT) by a 900mm diameter VAWT that seems very popular there....rated at 8000 watts! (face palm).<div><br></div><div>There's the Superwind 1250 out of Germany that looks legit: <a href="https://www.superwind.com/superwind-1250/" target="_blank">https://www.superwind.com/superwind-1250/</a></div><div><br></div><div>The AirForce 1 out of the UK looks possibly legit, though with 1.8m rotor they are counting on a cP of 0.33, which seems kinda high to me.</div><div><a href="https://futurenergy.co.uk/feshop/airforce-1-wind-turbines/" target="_blank">https://futurenergy.co.uk/feshop/airforce-1-wind-turbines/</a><br></div><div><br></div><div>I have no experience with actually flying these products however.</div><div><br></div><div>Good luck! Solar is cheap but boring!</div><div><br></div><div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="margin:0px;padding:0px;border:0px;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12.8px;line-height:inherit;font-family:Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(34,34,34)">Dan Fink</span></div><div style="margin:0px;padding:0px;border:0px;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(0,0,0)"><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12.8px;line-height:inherit;font-family:Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(34,34,34)"><span style="font-size:12.8px">Owner, Buckville Energy Consulting LLC</span></div><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12.8px;line-height:inherit;font-family:Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(34,34,34)"><span style="font-size:12.8px">IREC Certified Instructor for PV and Small Wind Installation</span></div><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12.8px;line-height:inherit;font-family:Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(34,34,34)"><span style="font-size:12.8px">NABCEP Certified PV System Inspector</span></div><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12.8px;line-height:inherit;font-family:Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(34,34,34)">NABCEP PV Associate</div><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12.8px;line-height:inherit;font-family:Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(34,34,34)"><a href="mailto:dan.fink@greendustrialtraining.com" target="_blank">d</a><a href="mailto:anbob88@gmail.com" target="_blank">anbob88@gmail.com</a></div><div style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12.8px;line-height:inherit;font-family:Arial,Helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:rgb(34,34,34)">970-672-4342</div></div><br> </div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Aug 17, 2023 at 9:11 AM Jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi all<br>
<br>
Is anyone making a good quality 1-2kw wind machine?<br>
<br>
All of my searches come up with nothing. <br>
<br>
Thanks in advance <br>
Jay<br>
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