Todd,
I've looked at the Ampair units also as well as the towed generators and they look fairly solid, I have no experience with either of these unites. As far as cost, one thing to consider is the market audience, small, in comparison to many other areas, thus the cost is much higher than other "widgets".. if the market proved higher and the volume increased the competition would go up and the prices would come down.
Dave K
From: Todd <toddbates99@yahoo.com>
To: electricboats@yahoogroups.com
Sent: Sat, June 4, 2011 10:59:17 AM
Subject: [Electric Boats] Re: Siandra unplugged (Now Hydro Generators)
The Ampair Duogen is about $4500 and towed generators run about 1200. I think the 7k units are for those who like things to be really shiny. The Duogen gives some good numbers on what can be expected from an optimized 12" system, including drag. It's also interesting that the Duogen costs more than a wind generator and towed generator combined. It may be that the complexity/expense required to use a electric drive for regeneration is the limiting factor.
--- In electricboats@yahoogroups.com, "Eric" <ewdysar@...> wrote:
>
> Dave,
>
> From my perspective, if it was that simple, there would already be a cheaper version available on the market. But I may be wrong.
>
> This sounds like a great business oppotunity for somebody, because there would be a profit margin of at least $1000 a unit and regular cruisers would line up to buy them. Sales of more than 100 units a year seems pretty reasonable. I look forward to reading the measured results from the first successful version that costs 1/5 of the current retail price.
>
> Fair winds,
> Eric
>
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