Re: [RE-wrenches] Replacement for Whisper 500

[Roy Butler]

Nathan, Unfortunately, this is a common failure mode for that turbine. A 2 bladed turbine is an unbalanced turbine and the vibration is not kind to welds, blades, etc. Although the Bergey XL.1 1kW turbine is a decent machine, it's not a replacement for a 3kW turbine. Bergey does have a 6kW unit but that's a spendy unit and likely not appropriate for this client. I'm with Chris on this.....check out the Kestrel from Eveready. And you'll like Matt....he's a real trip ;-) And it's OK to tell him I said that.... Roy Butler NABCEP Certified Solar PV Installer® NYSERDA eligible PV & wind installer Four Winds Renewable Energy, LLC 8902 Route 46, Arkport, NY 14807 607-324-9747 www.four-winds-energy.com Join us at the 10th Annual Small Wind Conference A Gathering of Installers, Manufacturers, Dealers, & Distributors June 17 and 18, 2014 in Stevens Point, Wisconsin www.smallwindconference.com Although no trees were killed in the sending of this message, a large number of electrons were terribly inconvenienced. On 1/17/2014 3:08 PM, Ray Walters wrote: Bergey is the only reliable choice I'm aware of right now.  They have the XL.1  1000 watt, and I believe it jumps to the 10 kw unit. The 1 Kw units are now using Midnite Controllers, which is definitely an improvement. I can't advise on adapting to the tower, as I (thankfully) never sold any of the Whisper machines. I'm sure Bergey sells adapter hardware that could work. R.Ray Walters CTO, Solarray, Inc Nabcep Certified PV Installer, Licensed Master Electrician Solar Design Engineer 303 505-8760 On 1/17/2014 12:56 PM, Nathan Stumpff wrote: Wrenches,   A client of ours recently had a catastrophic failure of his Whisper 500 turbine (weld completely failed, turbine destroyed, very ugly) and is in the market for a replacement.   Any recommendations out there for a good, quality unit in a similar size range of 3 kW? It is a 48V off-grid system. Any experience, positive or negative with the Luminous branded Whisper 500 units? Given previous experiences with the SouthWest units and the nature of this particular failure I am reluctant to recommend going that route unless Luminous has done some serious upgrades…   Our client wants to salvage as much as possible, and I am having a hard time coming up with anything that would come close to being able to use with his existing tower, 80’ guyed SouthWest make.   As always, much appreciated, -Nathan

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