[NSRCA-discussion] NSRCA-discussion Digest, Vol 41, Issue 28

[Keith Hoard]

Nuclear Plant?

On Wed, Apr 29, 2009 at 3:53 PM, brian young <brian_w_young at yahoo.com>wrote:

> ehh....and living in Oklahoma we have some wind...your results may vary
>
> --- On *Wed, 4/29/09, brian young <brian_w_young at yahoo.com>* wrote:
>
>
> From: brian young <brian_w_young at yahoo.com>
> Subject: Re: [NSRCA-discussion] NSRCA-discussion Digest, Vol 41, Issue 28
> To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
> Date: Wednesday, April 29, 2009, 3:51 PM
>
>
>   How about a Windmill too? It would refill the Batteries during OFF Peak
> flying times.... ;)
>
> --- On *Wed, 4/29/09, Roger Hammel <skitimberlakespartava at yahoo.com>*wrote:
>
>
> From: Roger Hammel <skitimberlakespartava at yahoo.com>
> Subject: Re: [NSRCA-discussion] NSRCA-discussion Digest, Vol 41, Issue 28
> To: nsrca-discussion at lists.nsrca.org
> Cc: "Roger Hammel" <skitimberlake at verizon.net>
> Date: Wednesday, April 29, 2009, 3:48 PM
>
>    Is anyone aware of an RC club that has implemented a solar powered
> charging station for electric fliers ?  My club has strongly supported the
> concept, voted to approve funds, and I would like to get hard data and
> experience from others on several system items.
>
> Two of our electric fliers/engineers have designed what they believe will
> be a scalable system, borrowing from their experience in powering wireless
> base stations and other similar applications.  I wanted to compare their
> numbers to any hard experience from RC users.
>
> We lack good data on typical use per pilot. Our club is not all that
> Pattern heavy, but does have many electric fliers using 3s-4s packs in say
> the sub 4000 Mah size. For the most part, these systems power planes
> typically smaller than 40 size.  Were I to guess, Eflite 480 size may be
> .typical or say average size plane.
>
> Any data and experience would be appreciated.  Need data on :
> a) the number of anticipated electric pilots and expected average weekly
> capacity used per pilot from existing solar powered systems
> b) the size & type of the battery (deep cycle) used to store power - e.g.
> number of Mah and type - wet cell, gel cell or AGM, and the typical max
> discharge % anticipated;
> c) - the recharge time (days or hours) to recharge the storage battery from
> normal max use drawdown;
> d) the number and size of the solar panels used; and power output (amps) at
> say 16-17v range
> e) the capacity of the charge controller used.
>
> offline replies welcomed too - skitimberlakespartava at yahoo.com<http://us.mc352.mail.yahoo.com/mc/compose?to=skitimberlakespartava@yahoo.com>
>
> thanks
>
> Roger Hammel
>
>
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-- 

Keith Hoard
Collierville, TN
khoard at gmail.com
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