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rmitch1(at)hughes.net Guest
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Posted: Sat Jan 22, 2011 7:37 pm Post subject: Off topic electric drag racer |
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So, what are the Batteries here?
Bob Mitchell
L-320
[quote]
[b]
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nuckolls.bob(at)aeroelect Guest
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Posted: Sat Jan 22, 2011 8:50 pm Post subject: Off topic electric drag racer |
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At 10:20 PM 1/22/2011, you wrote:
Quote: | So, what are the Batteries here?
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He started the video with and Exide product and
judging from the weight difference for the "new"
batteries, they were probably lead-acid. The
last runs were with A123 Systems Li-ion batteries.
Some of you may recall Bill Dube used to post
here on the List several years ago. His KillaCycle
has put in come amazing performance numbers.
He did experience a "bad day in the cockpit"
during some street exhibition of the bike
back in Sept of 2007
http://green.autoblog.com/2007/09/14/killacycle-takes-off-crashes-into-parked-minivan-bill-dube-ok/
HBC had looked at A123 products as potential
feedstock for a new aircraft battery but it
never took off for variety of reasons. There
IS a specification in work (it may be released
by now) for qualifying Li-ion batteries for
aircraft.
I'm sure you're all aware of the potential energy
release from a faulted SVLA battery . . . the
Li-Ions are a whole 'nuther step up. It's sorta
like figuring out how to safely burn nitroglycerin
in your engine . . . the BTU to volume ratio
is really good . . . but . . .
I have no doubt they are coming . . . but not
real soon.
Bob . . .
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dave.saylor.aircrafters(a Guest
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Posted: Sat Jan 22, 2011 9:06 pm Post subject: Off topic electric drag racer |
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Bill Dube (riding the Killacyle) was providing LED nav lights for experimentals at one point. I bought a set from him. He's a great guy.
Dave Saylor
AirCrafters
140 Aviation Way
Watsonville, CA 95076
831-722-9141 Shop
831-750-0284 Cell
On Sat, Jan 22, 2011 at 7:20 PM, Robert Mitchell <rmitch1(at)hughes.net (rmitch1(at)hughes.net)> wrote:
[quote] So, what are the Batteries here?
Bob Mitchell
L-320
Quote: |
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Quote: |
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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[b]
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harley(at)AgelessWings.co Guest
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Posted: Sun Jan 23, 2011 5:18 am Post subject: Off topic electric drag racer |
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He switched from lead acid to lithium batteries in 2010...that's what he used to get his latest world quarter mile speed record.
Kilocycle loaned him the batteries...here's a page from his website that lists all the features and details of this Datsun...type of batteries, motor, controller, etc.
www.plasmaboyracing.com/history/2010.php
Â
I remember seeing an article back in the 60s or 70s in Popular Mechanics or Mechanix Illustrated that outlined installing a jet engine starter motor to replace the gas engine in a sport car. I almost tried it as I only had a five mile drive to work...!
Harley
On 1/22/2011 10:20 PM, Robert Mitchell wrote: [quote] So, what are the Batteries here?
Bob Mitchell
L-320
[b]
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nuckolls.bob(at)aeroelect Guest
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Posted: Sun Jan 23, 2011 8:18 am Post subject: Off topic electric drag racer |
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Quote: |
I remember seeing an article back in the 60s or 70s in Popular Mechanics or Mechanix Illustrated that outlined installing a jet engine starter motor to replace the gas engine in a sport car. I almost tried it as I only had a five mile drive to work...! |
I think it was Mother Earth magazine that published
a number of articles on gas to electric conversions.
They became popular DIY projects in the 70's and 80's.
I think I recall somebody in the aviation industry
complaining that a particular starter-generator, once
prolific in the used/surplus market was hard to find,
"all those electric car guys snapped them up".
No doubt production electric cars of the future will
have brushless DC motors at each wheel. Drive train
transmissions will evaporate. Indeed, the electric
airplane projects are brushless motors too. These
motors lend themselves to higher voltage operations
which keeps I(squared)R losses down. Lower currents
help offset trade off for Li-Ion with very high energy
densities but higher internal resistances in the cells.
It's a big hat dance around the simple-ideas in physics
that drive the quest for a successful recipe . . . where
success is measured in market acceptance (pure economics).
The cool thing is that we can sit back and watch somebody
else's time/talent/resources being expended at the hat dance.
As with many 'automotive' products that found their way
onto our airplanes, products that arise from these new
technologies will have millions of road-miles on them
before we need to spend out time/talent/resources figuring
how to best benefit us in the air.
The micro-controller was field-tested in millions of
personal computing products and coffee pots before
an EFIS system became a gleam in somebody's eye.
Bob . . . [quote][b]
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Jim Berry
Joined: 10 Jan 2006 Posts: 237 Location: Denver
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Posted: Sun Jan 23, 2011 10:22 am Post subject: Re: Off topic electric drag racer |
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If you liked Bill Dube's electric motorcycle dragster, wait till you see their new electric Bonneville racer. It will take a longer extension cord though.
Jim Berry
RV-10
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Terry Watson
Joined: 09 Jan 2006 Posts: 290 Location: Seattle, WA USA
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Posted: Sun Jan 23, 2011 10:36 am Post subject: Off topic electric drag racer |
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Way back in the 1950’s, my Dad had an electric feed cart that we used on our mink ranch. The motor was the starter-generator out of a 1928 Dodge. I remember that when he decided to buy the semi-custom cart from a company in California, he and Mom drove the station wagon from 100 miles north of Seattle south, stopping at junk yards along the way looking for ’28 Dodge starter-generators. By the time they got to the manufacturer’s facilities in California, they had enough of them to swap for the feed cart.
The cart had a couple of truck batteries in it. I think I remember it had a chain drive from the motor to a differential with the drive wheels in the back, with a single wheel in the front steered by a vertical tiller with a handle at the top that fit between my legs when I got tall enough. You stood on a platform at the back that was the forward-reverse and speed control. Lean forward for forward; back to stop or reverse. Leaning to the side turned the front wheel. We typically hauled maybe 200 pounds of mink feed on it. It was a very useful little vehicle around the ranch, but it didn’t do well on rough ground.
Terry
Seattle
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Robert L. Nuckolls, III
Sent: Sunday, January 23, 2011 7:14 AM
To: aeroelectric-list(at)matronics.com
Subject: Re: Off topic electric drag racer
Quote: |
I remember seeing an article back in the 60s or 70s in Popular Mechanics or Mechanix Illustrated that outlined installing a jet engine starter motor to replace the gas engine in a sport car. I almost tried it as I only had a five mile drive to work...! |
I think it was Mother Earth magazine that published
a number of articles on gas to electric conversions.
They became popular DIY projects in the 70's and 80's.
I think I recall somebody in the aviation industry
complaining that a particular starter-generator, once
prolific in the used/surplus market was hard to find,
"all those electric car guys snapped them up".
No doubt production electric cars of the future will
have brushless DC motors at each wheel. Drive train
transmissions will evaporate. Indeed, the electric
airplane projects are brushless motors too. These
motors lend themselves to higher voltage operations
which keeps I(squared)R losses down. Lower currents
help offset trade off for Li-Ion with very high energy
densities but higher internal resistances in the cells.
It's a big hat dance around the simple-ideas in physics
that drive the quest for a successful recipe . . . where
success is measured in market acceptance (pure economics).
The cool thing is that we can sit back and watch somebody
else's time/talent/resources being expended at the hat dance.
As with many 'automotive' products that found their way
onto our airplanes, products that arise from these new
technologies will have millions of road-miles on them
before we need to spend out time/talent/resources figuring
how to best benefit us in the air.
The micro-controller was field-tested in millions of
personal computing products and coffee pots before
an EFIS system became a gleam in somebody's eye.
Bob . . . Quote: | http://www.matronics.com/Navigator?AeroElectric-List | 01234567
[quote][b]
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Float Flyr
Joined: 19 Jul 2006 Posts: 2704 Location: Campbellton, Newfoundland
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Posted: Sun Jan 23, 2011 3:49 pm Post subject: Off topic electric drag racer |
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Snip
No doubt production electric cars of the future will
have brushless DC motors at each wheel. Drive train
transmissions will evaporate. Indeed, the electric
airplane projects are brushless motors too. These
motors lend themselves to higher voltage operations
which keeps I(squared)R losses down.
<![if !supportLists]>· <![endif]>Years ago I think it was Popular Science had a story on a vehicle with that particular drive. Theirs was a 6X6.
Snip
The cool thing is that we can sit back and watch somebody
else's time/talent/resources being expended at the hat dance.
As with many 'automotive' products that found their way
onto our airplanes, products that arise from these new
technologies will have millions of road-miles on them
before we need to spend out time/talent/resources figuring
how to best benefit us in the air.
Bob, I’m a bit surprised you didn’t mention the serious work thousands of amateur radio buffs did on digital controls let alone digital emissions. I still remember sending full colour photographs around the world through a 1 khz bandwidth.
Noel Quote: | http://www.matronics.com/Navigator?AeroElectric-List | 01234567
[quote][b]
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_________________ Noel Loveys
Kitfox III-A
Aerocet 1100 Floats |
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nuckolls.bob(at)aeroelect Guest
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Posted: Sun Jan 23, 2011 6:43 pm Post subject: Off topic electric drag racer |
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Quote: |
Bob, I'm a bit surprised you didn't mention the serious work
thousands of amateur radio buffs did on digital controls let alone
digital emissions. I still remember sending full colour photographs
around the world through a 1 khz bandwidth.
|
Yeah, there was a lot of packet work begin done in the late '80s
and slow-scan tv predates that by 10 years or more. There
are no doubt thousands of examples of 'leading edge' process
and technology that laid the groundwork for the future
of today's product. But we were talking about systems
and components that provide low risk, useful services in
the airplane.
Development costs need to be amortized over great
numbers for them to become insignificant. Little
airplanes don't represent much of a market! Our
demonstrated reservoir of successful recipes
have come from the volume consumer markets.
The SVLA battery has been around commercially
since 1970 but it wasn't until 1990 that they got a real
toe holed in OBAM aviation . . . and only then after
the un-interruptible power supply market bloomed.
When LORAN was still king and a panel mounted GPS was
prohibitively expensive, I bought a perfectly serviceable
GPS for airplanes from a Boat US catalog for $200.
I didn't mean to 'slight' any of the guys who
did it first. But doing if first doesn't immediately
and directly translate into useful, cost-effective
product.
Bob . . .
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rmitch1(at)hughes.net Guest
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Posted: Sun Jan 23, 2011 8:06 pm Post subject: Off topic electric drag racer |
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And, don't forget all the free hand me down benefits we get from NASA thru taxpayer dollars.
Bob Mitchell
Sent from my iPad
On Jan 23, 2011, at 6:39 PM, "Robert L. Nuckolls, III" <nuckolls.bob(at)aeroelectric.com> wrote:
Quote: |
>
> Bob, I'm a bit surprised you didn't mention the serious work thousands of amateur radio buffs did on digital controls let alone digital emissions. I still remember sending full colour photographs around the world through a 1 khz bandwidth.
Yeah, there was a lot of packet work begin done in the late '80s
and slow-scan tv predates that by 10 years or more. There
are no doubt thousands of examples of 'leading edge' process
and technology that laid the groundwork for the future
of today's product. But we were talking about systems
and components that provide low risk, useful services in
the airplane.
Development costs need to be amortized over great
numbers for them to become insignificant. Little
airplanes don't represent much of a market! Our
demonstrated reservoir of successful recipes
have come from the volume consumer markets.
The SVLA battery has been around commercially
since 1970 but it wasn't until 1990 that they got a real
toe holed in OBAM aviation . . . and only then after
the un-interruptible power supply market bloomed.
When LORAN was still king and a panel mounted GPS was
prohibitively expensive, I bought a perfectly serviceable
GPS for airplanes from a Boat US catalog for $200.
I didn't mean to 'slight' any of the guys who
did it first. But doing if first doesn't immediately
and directly translate into useful, cost-effective
product.
Bob . . .
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Float Flyr
Joined: 19 Jul 2006 Posts: 2704 Location: Campbellton, Newfoundland
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Posted: Mon Jan 24, 2011 8:07 am Post subject: Off topic electric drag racer |
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Too bad about the LORAN... It has a few advantages over GPS. It's cheaper
and it's on the ground where it is somewhat more protected from things man
made and otherwise hurtling through space. I remember once when a C-band
satellite was knocked into by a meteor. For a period of time there was a
loss of signal. It could have been much worse as all geostationary
satellites are in a over the equator. I hope we never get in the situation
where we could benefit by those now lost advantages.
Noel
--
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Float Flyr
Joined: 19 Jul 2006 Posts: 2704 Location: Campbellton, Newfoundland
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Posted: Mon Jan 24, 2011 8:42 am Post subject: Off topic electric drag racer |
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Reminds me of the story about the money NASA spent to build a ball point pen
for space... The Russians used a pencil. Now what was not said. The
pencil leaves dust floating around every time it is used The point can break
off and jam equipment and on at least one occasion the pen was disassembled
and used to actually save a mission. On the surface it looked foolish but
in the long run it was money well spent.
Noel
--
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william_slaughter(at)att. Guest
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Posted: Mon Jan 24, 2011 3:22 pm Post subject: Off topic electric drag racer |
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Both US and Russia started out with pencils, and the hazards mentioned are
true. However, Fisher pen developed it on their own nickel, and it ended up
being used by both sides. Search "nasa space pen" at Snopes.com for the
detailed story.
William
--
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user9253
Joined: 28 Mar 2008 Posts: 1926 Location: Riley TWP Michigan
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Posted: Mon Jan 24, 2011 7:15 pm Post subject: Re: Off topic electric drag racer |
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Quote: | The cart had a couple of truck batteries in it. I think I remember it had a chain drive from the motor to a differential with the drive wheels in the back, with a single wheel in the front steered by a vertical tiller with a handle at the top that fit between my legs when I got tall enough. You stood on a platform at the back that was the forward-reverse and speed control. Lean forward for forward; back to stop or reverse. Leaning to the side turned the front wheel. We typically hauled maybe 200 pounds of mink feed on it. It was a very useful little vehicle around the ranch, but it didn’t do well on rough ground. |
It sounds like a Segway doesn't it? LOL
Joe
Do not archive
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