 |
Matronics Email Lists Web Forum Interface to the Matronics Email Lists
|
View previous topic :: View next topic |
Author |
Message |
nuckolls.bob(at)cox.net Guest
|
Posted: Fri Nov 23, 2007 7:31 pm Post subject: Batteries.com AA Alkaline Cell Tests |
|
|
The tests I promised on the Batteries.com AA
cells is done. See:
http://www.aeroelectric.com/Pictures/Curves/Bat_dot_Com_AA_Tests.jpg
One of the cells was markedly 'short' compared to
the other one. Even this cell contained 91% of the
average energy for all cells tested. The 'hot' cell
was right in the ball park with some el-cheeso Harbor
Freight cells I looked at several months ago.
Typically, these "low cost" cells can be had for
20 to 25-cents per cell. The cost per watt-hour
for all devices tested to date have been relatively
attractive.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
|
|
|
Back to top |
|
 |
rjquillin
Joined: 13 May 2007 Posts: 123 Location: KSEE
|
Posted: Fri Nov 23, 2007 8:16 pm Post subject: Batteries.com AA Alkaline Cell Tests |
|
|
At 19:26 11/23/2007, you wrote:
Volts vs. Time (minutes ?)
What was the load current or wattage?
RonQ.
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
|
|
|
Back to top |
|
 |
nuckolls.bob(at)cox.net Guest
|
Posted: Fri Nov 23, 2007 10:16 pm Post subject: Batteries.com AA Alkaline Cell Tests |
|
|
At 08:14 PM 11/23/2007 -0800, you wrote:
Quote: |
At 19:26 11/23/2007, you wrote:
>The tests I promised on the Batteries.com AA
>cells is done. See:
>
>http://www.aeroelectric.com/Pictures/Curves/Bat_dot_Com_AA_Tests.jpg
Volts vs. Time (minutes ?)
What was the load current or wattage?
|
Sorry, I clipped the test data from the right
side of the image. I test these cells at 300 milliamperes
constant current load. The bottom of the plot is
ampere-hours so these cells will support a 300 mA
load for something on the order of 5 hours.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
|
|
|
Back to top |
|
 |
nuckolls.bob(at)cox.net Guest
|
Posted: Fri Nov 23, 2007 10:21 pm Post subject: Batteries.com AA Alkaline Cell Tests |
|
|
At 08:14 PM 11/23/2007 -0800, you wrote:
Quote: |
At 19:26 11/23/2007, you wrote:
>The tests I promised on the Batteries.com AA
>cells is done. See:
>
>http://www.aeroelectric.com/Pictures/Curves/Bat_dot_Com_AA_Tests.jpg
Volts vs. Time (minutes ?)
What was the load current or wattage?
|
Sorry, I clipped the test data from the right
side of the image. I test these cells at 300 milliamperes
constant current load. The bottom of the plot is
ampere-hours so these cells will support a 300 mA
load for something on the order of 5 hours.
P.S. I've added the load and units callout to
the bottom of the plot . . .
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
|
|
|
Back to top |
|
 |
trumanst(at)netins.net Guest
|
Posted: Sat Nov 24, 2007 7:22 am Post subject: Batteries.com AA Alkaline Cell Tests |
|
|
Thanks Bob. At 12˘ per cell that isn't bad. Using your method of changing cells before each flight, and keeping the "used" cells for other toys, the cost per flight is 48˘. Can't even get a cup of coffee from Mac D's for that.
Kevin Boddicker
Tri Q 200 N7868B 79.4 hours
Luana, IA.
On Nov 23, 2007, at 9:26 PM, Robert L. Nuckolls, III wrote:
[quote]--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <nuckolls.bob(at)cox.net (nuckolls.bob(at)cox.net)>
The tests I promised on the Batteries.com AA
cells is done. See:
http://www.aeroelectric.com/Pictures/Curves/Bat_dot_Com_AA_Tests.jpg
One of the cells was markedly 'short' compared to
the other one. Even this cell contained 91% of the
average energy for all cells tested. The 'hot' cell
was right in the ball park with some el-cheeso Harbor
Freight cells I looked at several months ago.
Typically, these "low cost" cells can be had for
20 to 25-cents per cell. The cost per watt-hour
for all devices tested to date have been relatively
attractive.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
-- Please Support Your Lists This Month --
(And Get Some AWESOME FREE Gifts!)
November is the Annual List Fund Raiser. Click on
the Contribution link below to find out more about
this year's Terrific Free Incentive Gifts!
List Contribution Web Site:
--> http://www.matronics.com/contribution
Thank you for your generous support!
-Matt Dralle, List Admin.
- The AeroElectric-List Email Forum -
--> http://www.matronics.com/Navigator?AeroElectric-List
- MATRONICS WEB FORUMS -
--> http://forums.matronics.com
[b]
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
|
|
|
Back to top |
|
 |
nuckolls.bob(at)cox.net Guest
|
Posted: Sat Nov 24, 2007 9:01 am Post subject: Batteries.com AA Alkaline Cell Tests |
|
|
At 09:26 AM 11/24/2007 -0600, you wrote:
Quote: | Thanks Bob.
At 12˘ per cell that isn't bad. Using your method of changing cells before
each flight, and keeping the "used" cells for other toys, the cost per
flight is 48˘. Can't even get a cup of coffee from Mac D's for that.
|
You got it my friend. Get some "come clean" pricing stickers
from an office supply (they'll come in a box of hundreds but
they're also handy at a garage sale). Put a sticker on each
new cell as you toss it into the flight bag. Before installing
a stickered cell in your hand-held, pull the sticker off.
This makes it easy to separate the fresh cells from used ones
when you are cleaning all the candy wrappers, peanut shells and
old newspapers out of the cabin when you get home from the
trip!
But the most important revelation of this simple experiment
is that MOST of what we pay for when purchasing a so-called
premium cell has little to do with what's inside the cell.
I worked a task for Electro-Mech many moons ago where we
helped a gentleman realize an idea for a product . . . a
device that with the push of a button, slides a cab-over
camper out of a truck and puts it gently on the ground. A
reverse of this action would pick it up, put it back on
the truck and hold it securely in place.
We joined our customer at the Wichita Home, Boat and Travel
show the following spring and did indeed sell a dozen of these
systems for about $400 as I recall. It was this experiment
that illuminated the task before our newly minted entrepreneur.
One could easily project sales of this product in the thousands
of systems per year, each one possibly netting the entrepreneur
$100 each. However, to accomplish that goal he would need to
make its features and availability known to hundreds of
thousands of potential buyers with the notion that he might
capture 1% of those individuals as customers. The profits from
sales at that show did not offset the costs of having the
booth.
A few queries to companies who offered to provide the
necessary promotion revealed that the campaign
would cost perhaps $1,000,000 per year in advertising.
Hmmm . . . that's a burden of $500 each of 2,000 units
sold which would boost the purchase price to $900. Now,
what's the potential market for this product at $900 a
copy? It was perceived "not much" when the average cab-over
camper was selling for $2,500 new.
Last time I was in the attic at Electro-Mech, there were
boxes full of sprockets, shafts, chains, gears and gearboxes
left over from the initial production run of the great
idea that did not have benefit of the Internet for low
cost, mass marketing. Another "plus" would have been access
to a low cost manufacturing facility (Pacific rim?) instead
of that $high$ aerospace engineering and manufacturing
company.
And so it is with AA alkaline cells. If you want to
be the big dog in the hunt for consumers of such
products, you need to advertise to a sufficient number
of folk in sufficiently persuasive words to accomplish
retail sales that exceed your costs of production and
marketing (i.e. profit). Obviously, the glittzy brands
you see pushed on TV have crafted such a recipe for
success or they would not continue to do it. The
unfortunate side of this discovery is that what's being
touted as the best-of-the-best is still a Big Mac in
a fancy wrapper. The fortunate side is that product
like this keeps lots of nice folks employed running
television stations and cable systems and other folks
employed selling and crafting ads. The jury is still out
on folks who craft the programming that goes between
the ads. My perceived worth for most of THAT stuff
is way under the value of my $time$ that it takes to
watch it. The really cool lesson to be learned here
is more about economics than choosing the AA cell
with the right goo inside.
So . . . when you pass that peg board display in the store
festooned with blister packs of shiny, well advertised
cells you can pass them by with the comfortable knowledge
and understanding that you know how to light that
flashlight, spin that CD, or track that satellite for
a whole lot less.
Bob . . .
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
|
|
|
Back to top |
|
 |
rjquillin
Joined: 13 May 2007 Posts: 123 Location: KSEE
|
|
Back to top |
|
 |
|
|
You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum You cannot attach files in this forum You can download files in this forum
|
Powered by phpBB © 2001, 2005 phpBB Group
|