Electrics - Cost is not as bad as it appears

[Bill Glaze]

Eric:
Now, that is really, really bad--horrible, in fact.  Of course, I wish I had said it
first...........<VBG>
Bill Glaze


"Henderson,Eric" wrote:

> Forgive me for this, in advance but ---
>
> Could the cost of this generation of electric flying be called "LiPo-suction..."
>
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On Behalf Of Rick Kent
> Sent: Tuesday, August 12, 2003 12:54 PM
> To: discussion at nsrca.org
> Subject: Re: Electrics - Cost is not as bad as it appears
>
> LiPo packs source
> www.espritmodel.com
>
> Rick
> ----- Original Message -----
> From: "Ed Schummer" <ed.schummer at sbcglobal.net>
> To: <discussion at nsrca.org>
> Sent: Tuesday, August 12, 2003 12:36 PM
> Subject: Re: Electrics - Cost is not as bad as it appears
>
> > Anybody know who sells these LiPo packs?
> >
> > Ed
> >
> >
> > ----- Original Message -----
> > From: "Daniel Dupont" <dansy at av.eastlink.ca>
> > To: <discussion at nsrca.org>
> > Sent: Tuesday, August 12, 2003 8:38 AM
> > Subject: Re: Electrics - Cost is not as bad as it appears
> >
> >
> > > Don't get me wrong, if the price come down for the battery I will give
> it
> > a
> > > try for sure.  But I would hate to have only one plane on
> > > Electric.....since I would still have to carry all that gear in case I
> > need
> > > the fuel plane...:)
> > >
> > > But my understanding at this point says...you cannot recharge at the
> field
> > > since the battery will already warn from the discharge cycle and I like
> to
> > > fly at least 6 flights, often more....
> > >
> > > I always a spare fully charge pack for my radio, good for about 12
> flights
> > > altogether.
> > >
> > > I carry all king of spare parts including complete a engine / spinner
> > > /starter / glow driver / ect.ect......since I often fly well away from
> > home
> > > about 100 miles, and I fly there because since it the most concentrated
> > > Pattern in the Atlantic Canada.
> > >
> > > Cheers Daniel D. 2693
> > >
> > > At 10:58 8/12/2003 -0400, you wrote:
> > > >It's hard to imagine a flying scenario in which I'd need 4 LiPo battery
> > > >packs at the field with me for one day's flying, with one airplane,
> > > >considering that you can get 2 to 3 flights per battery, per charge.
> One
> > can
> > > >always recharge at the field. Fly your first pack out, toss it on the
> > > >charger, and fly on the second pack while #1 recharges. Unless your
> > routine
> > > >is to fly 8 to12 flights a day with one airplane, one right after the
> > other,
> > > >anything over 2 packs would be overkill IMO. And then, transmitter
> > battery
> > > >duration would begin to come into the picture.
> > > >Obviously, at the WC, one needs to be "overprepared" for any
> contingency,
> > > >especially with largely new technology/equipment. In that unique case,
> > > >multiple spares would be a good idea. I imagine JS likely has a spare
> > motor
> > > >and gearbox on hand, too. Necessary? Probably/hopefully not. But good
> to
> > > >have if you toast a motor or something a long way from home.
> > > >Just my pair o' pennies' worth.
> > > >
> > > >Rick
> > > >----- Original Message -----
> > > >From: "Daniel Dupont" <dansy at av.eastlink.ca>
> > > >To: <discussion at nsrca.org>
> > > >Sent: Monday, August 11, 2003 4:36 PM
> > > >Subject: Re: Electrics - Cost is not as bad as it appears
> > > >
> > > >
> > > > > Hey Lee that is for one battery pack....let add 4 more for good
> > measure
> > > > > another 3000.00....if Jason has let say 7 pack with him at 750.00
> that
> > > > > would be another $5250.00 of Battery's, pretty bad as far I'm
> concern,
> > the
> > > > > price of Batteries would have to come down significantly.  Also what
> > the
> > > > > manufacturer say about life expectancy could be different then what
> > > > > actually happen to the packs, having race indoor cars for quite a
> few
> > > >years
> > > > > one learn that battery's are also not made equal.
> > > > >
> > > > > Cheers Daniel D.
> > > > >
> > > > > At 11:09 8/11/2003 -0400, you wrote:
> > > > > >I did a little quick and dirty math and while Jason's 3 batteries,
> at
> > a
> > > > > >total cost of approximately $2000, seem prohibitively expensive,
> when
> > you
> > > > > >compare them to glow fuel expense, they're competitive.
> > > > > >
> > > > > >While the electricity used to charge the batteries isn't exactly
> > free,
> > > >it's
> > > > > >such a miniscule expense I'm calling it free.
> > > > > >
> > > > > >The 3 batteries are good for 500-1000 charge/discharge cycles
> giving
> > a
> > > >total
> > > > > >of 1500-3000 flights, so the cost/flight is $.66-$1.33/flight.
> > Compare
> > > >to
> > > > > >glow fuel for a 2 stroke @ $10-$15/gal costs around
> $1.50-$2+/flight.
> > > > > >
> > > > > >The C50 motor plus with gear reduction plus speed controller sells
> > for
> > > > > >around $600.  'Pretty much the same that we're paying for a 2
> stroke
> > plus
> > > > > >exhaust system.
> > > > > >
> > > > > >The only thing extra is a charger.  Say, $200 for a nice one.  Not
> > that
> > > >bad
> > > > > >though, because I've seen some that charge everything, including
> > RX/TX,
> > > >so
> > > > > >it's more like replacing one charger with another.
> > > > > >
> > > > > >Lee Davis
> > > > > >Piedmont Models
> > > > > >http://www.piedmontmodels.com/
> > > > > >
> > > > > >=====================================
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