Re: [RCSE] Lithium Ion charging

2006-10-21 Thread Doug McLaren
On Fri, Oct 20, 2006 at 09:44:06AM -0700, Bill Swingle wrote: | OK, hypothetically here. | | Say I'm at the slope but my Lithium charger uses only 120V AC. | | So, if I wanted to be reckless (go with me here), what can be done with a | Nicad charger and how? Well, generally a charger's job is

Re: [RCSE] Lithium Ion charging

2006-10-21 Thread Arne Ansper
On Sat, 21 Oct 2006, Martin Usher wrote: Go to Target and buy an inverter for your car that will convert the 12v power to 120volt. Their price varies from $30 to $50. Its better to get a larger than a smaller one (i.e. avoid the 100 watt one, go for a 200 or 400w one). One must be careful

Re: [RCSE] Lithium Ion charging

2006-10-21 Thread Martin Usher
Go to Target and buy an inverter for your car that will convert the 12v power to 120volt. Their price varies from $30 to $50. Its better to get a larger than a smaller one (i.e. avoid the 100 watt one, go for a 200 or 400w one). Martin Usher Bill Swingle wrote: OK, hypothetically here. Say

RE: FW: [RCSE] Lithium Ion batteries

2006-10-20 Thread John
> in the garage with isolation. > > John > > -Original Message- > From: Chuck Anderson [mailto:[EMAIL PROTECTED] > Sent: Friday, October 20, 2006 3:24 PM > To: soaring@airage.com > Subject: Re: [RCSE] Lithium Ion batteries > > I first used Nicads in a model i

RE: [RCSE] Lithium Ion batteries

2006-10-20 Thread lomcovak
d about current draw I would > go to 2S, 3S or even 4S with an ESC to step down the voltage. The weight > savings and convenience is phenomenal. Not to mention that you can't beat > the price. > > John > > > -Original Message- > From: Simon Van Leeuwen [mailto:

Re: FW: [RCSE] Lithium Ion batteries

2006-10-20 Thread lomcovak
he garage with isolation. > > John > > -Original Message- > From: Chuck Anderson [mailto:[EMAIL PROTECTED] > Sent: Friday, October 20, 2006 3:24 PM > To: soaring@airage.com > Subject: Re: [RCSE] Lithium Ion batteries > > I first used Nicads in a model in 1963 an

FW: [RCSE] Lithium Ion batteries

2006-10-20 Thread John
charge over night (in your house) your running more risk than I do in the garage with isolation. John -Original Message- From: Chuck Anderson [mailto:[EMAIL PROTECTED] Sent: Friday, October 20, 2006 3:24 PM To: soaring@airage.com Subject: Re: [RCSE] Lithium Ion batteries I first used Nicads

Re: [RCSE] Lithium Ion batteries

2006-10-20 Thread Chuck Anderson
I first used Nicads in a model in 1963 and in my transmitters shortly after. I have plug and forget chargers and battery testers for my equipment. I have no need for more advanced technology that can start fires if misused. Anything that stores power has the potential of starting a fire but

RE: [RCSE] Lithium Ion batteries

2006-10-20 Thread John
7;t beat the price. John -Original Message- From: Simon Van Leeuwen [mailto:[EMAIL PROTECTED] Sent: Friday, October 20, 2006 12:36 PM To: John Cc: RCSE Subject: Re: [RCSE] Lithium Ion batteries Very different technology; The charge algorythms used within cellphones and other personal equipme

Re: [RCSE] Lithium Ion batteries

2006-10-20 Thread Simon Van Leeuwen
More than what a prizmatic can offer when it is needed most...howzat? Average consumption is usually not the issue, high (current) loading which causes the PTC (an over-current protection device present on all lithium cells) to activate and reduce current flow is. If activated by exceeding th

Re: [RCSE] Lithium Ion charging

2006-10-20 Thread Simon Van Leeuwen
One can not put too fine a point on Doug's comments about NOT using your NiCD/MH charger on Lithium technology... Simon Van Leeuwen PnP Systems - The E-Harness of Choice Radius Systems Cogito Ergo Zoom Quoting Doug McLaren <[EMAIL PROTECTED]>: > On Fri, Oct 20, 2006 at 09:44:06AM -0700, Bill

Re: [RCSE] Lithium Ion charging

2006-10-20 Thread Ed Whyte
616 698 8668 - Original Message - From: "Bill Swingle" <[EMAIL PROTECTED]> To: "Simon Van Leeuwen" <[EMAIL PROTECTED]> Cc: "RCSE" Sent: Friday, October 20, 2006 12:44 PM Subject: [RCSE] Lithium Ion charging > OK, hypothetically here. > &g

Re: [RCSE] Lithium Ion batteries

2006-10-20 Thread Simon Van Leeuwen
An accurate statement would be why do folks not follow instructions, and use due diligence with new technology? It certainly is not the battery or packs fault when they fail... Simon Van Leeuwen PnP Systems - The E-Harness of Choice Radius Systems Cogito Ergo Zoom Quoting Chuck Anderson <[EM

[RCSE] Lithium Ion batteries

2006-10-20 Thread Chuck Anderson
Why do so many people want to put a fire bomb in a transmitter or in a model other than electric? The NiMh batteries in my Evo will last about four times longer than I will ever fly in one day. If, by chance, I do fly longer than normal, then I will simply recharge the transmitter with the Si

Re: [RCSE] Lithium Ion batteries

2006-10-20 Thread Bill's Email
prizmatics would fit our current moldies, they offer no where NEAR the required current demands due to their internal structure. I am curious what you feel are the current demands of a typical 6-servo TD ship. I can give you some documented loads from other uses. Raptor 50 heli with 5 mid

Re: [RCSE] Lithium Ion charging

2006-10-20 Thread Simon Van Leeuwen
There are a few devices available now Bill that allow using a NiCD/MH charger to charge Lithium technology, check the electric forums. Simon Van Leeuwen PnP Systems - The E-Harness of Choice Radius Systems Cogito Ergo Zoom Quoting Bill Swingle <[EMAIL PROTECTED]>: > OK, hypothetically here. >

[RCSE] Lithium Ion charging

2006-10-20 Thread Bill Swingle
OK, hypothetically here. Say I'm at the slope but my Lithium charger uses only 120V AC. So, if I wanted to be reckless (go with me here), what can be done with a Nicad charger and how? Bill Swingle RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe"

Re: [RCSE] Lithium Ion batteries

2006-10-20 Thread Simon Van Leeuwen
Very different technology; The charge algorythms used within cellphones and other personal equipment are locked down to the cell-count for that device, with other safegaurds. The original question about using Lithium technology for sailplanes, at the moment it does not warrant their use for a c

[RCSE] Lithium Ion batteries

2006-10-20 Thread John
I wonder if all the people that are still so worried about charging Li-Ion batteries are charging all the cell phones in the family outdoors in an ammo box. :>) No different technology. John RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to

Re: [RCSE] Lithium Ion batteries

2006-10-20 Thread Bill Swingle
Chip, We've discussed dual battery packs before. For Nicad's and NiMH's it's a reasonable approach. Though it was heatedly debated. But with Lithium?? Dude, I don't know. I'd not be too cavalier with them. Bill Swingle Janesville, CA RCSE-List facilities provided by Model Airplane News. S

[RCSE] Lithium Ion batteries

2006-10-19 Thread Chip Willis
FWIW, I haven't seen many people discuss it, but I have been using Li-ion batteries for a while. I flew the entire two day contest at the Fall round up, on a single charge. I use Fromeco 2400 two cell batteries, and I checked the voltage periodically and I had plenty to spare. I could hav

Re: [RCSE] Lithium Ion

2001-02-09 Thread Aerofoam
<[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Friday, February 09, 2001 12:21 PM Subject: Re: RE: [RCSE] Lithium Ion Battery Charging > With battery technology changing (almost) daily, it would be great to have a versatile and configurable charger. > > --Bill > > > On Fri

Re: RE: [RCSE] Lithium Ion Battery Charging

2001-02-09 Thread Bill Harris
-play but could be. It's not necessarily practical or inexpensive but I thought it would be interesting to play with. ~Barry Murrill -Original Message- From: Walba, Rick [mailto:[EMAIL PROTECTED]] Sent: Friday, February 09, 2001 11:31 AM To: '[EMAIL PROTECTED]' Subject: RE: [RC

RE: [RCSE] Lithium Ion Battery Charging

2001-02-09 Thread Barry . Murrill
ailto:[EMAIL PROTECTED]] Sent: Friday, February 09, 2001 11:31 AM To: '[EMAIL PROTECTED]' Subject: RE: [RCSE] Lithium Ion Battery Charging That sounds like one Super buy. For that money I'll pick one up as a spare auto-charger. -Original Message- From: [EM

RE: [RCSE] Lithium Ion Battery Charging

2001-02-09 Thread Walba, Rick
RE: [RCSE] Lithium Ion Battery Charging I'm going to try out the evaluation board for the National Semiconductor LM3647 universal battery charger. $59.00 US. I have it, but haven't played with it yet. http://www.national.com/pf/LM/LM3647.html Aut