---------------------------------------------------------- AeroElectric-List Digest Archive --- Total Messages Posted Sun 03/03/13: 5 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:16 AM - Re: Re: lithum-ion batteries (Robert Reed) 2. 12:44 PM - Fw: [Norton AntiSpam]Re: [rvsqn] Charge indicator light (JOHN TIPTON) 3. 01:08 PM - [Norton AntiSpam]Re: [rvsqn] Charge indicator light (nuckollsr) 4. 01:26 PM - Re: Fw: [Norton AntiSpam]Re: [rvsqn] Charge indicator light (Henry Hallam) 5. 01:26 PM - Re: [Norton AntiSpam]Re: [rvsqn] Charge indicator light (JOHN TIPTON) ________________________________ Message 1 _____________________________________ Time: 06:16:37 AM PST US Subject: Re: AeroElectric-List: Re: lithum-ion batteries From: Robert Reed Best advice I have seen in a long time! Thanks! Bob Reed Sent from my iPhone On Mar 3, 2013, at 12:06 AM, Jan wrote: > For what it is worth I work with Li-ion batteries for a living. No questi on they are lighter and will hold more energy and are able to deliver it fas ter than other battery technologies. > > Problem is that you need to control them very well both in charge and disc harge. Failure can be rather interesting .... Easy in a car .. You just pull over and deal with the "issue". Not so easy when you at 5000ft. :-) > > For the weight saving in question. Go to the gym an loose a few pounds... Y ou live longer and do not have to worry about your battery pack. I will not b e fitting them in my RV ... And I can get them for free ... > > All the best > > Jan > > On Mar 3, 2013, at 3:28, rayj wrote: > >> James, >> >> I attached a report that was posted to the list a while ago. My personal opinion is that Li battery technology is not ready for use in aircraft. Ch eck the archives for more info and opinions. >> >> Hope this is useful. >> Raymond Julian >> Kettle River, MN. >> >> "And you know that I could have me a million more friends, >> and all I'd have to lose is my point of view." - John Prine >> On 03/01/2013 07:17 PM, James Robinson wrote: >>> What is the concensus opinion on lithium-ion batteries? I can get a Lit hiun-ion battery with greater Amp/hr rating, cranking power, and save more t han 1/2 the weight. Any comments? >>> >>> James Robinson >>> Glasair lll N79R >>> Spanish Fork UT U77 >>> >>> From: "Robert L. Nuckolls, III" >>> To: aeroelectric-list@matronics.com >>> Sent: Thursday, February 28, 2013 11:30 AM >>> Subject: Re: AeroElectric-List: Ground plane diameter >>> olls.bob@aeroelectric.com> >>> >>> At 11:48 AM 2/28/2013, you wrote: >>> > Then would be the recommendation for a more modern design that is all c arbon fiber? The carbon is conductive, but absorbs radiation instead of ref lecting it from what I understand. Go with a foil circle or strips of the a ppropriate diameter on the outside of the carbon, but under the paint? >>> >>> That's a whole other can of worms. The carbon fiber >>> is, as you've described, pretty lossy stuff. Yeah, it >>> is conductive but much of electrical energy flowing >>> through a carbon matrix is converted to heat. >>> >>> Trying to create idealized ground planes over the >>> carbon and under the paint is exceedingly expensive >>> and problematic for affecting structural integrity >>> of the shell. >>> >>> At HBC, non-resonant ground planes were bonded to the >>> inside surface of the fuselage shell. Relatively >>> inexpensive and the flight test results deemed them >>> adequate to the task. >>> >>> >>> >>> Bent also available via the Web nbsp; -Matt Dralle,= >> >> > > ========================== ========= ========================== ========= ========================== ========= ========================== ========= > ________________________________ Message 2 _____________________________________ Time: 12:44:37 PM PST US From: "JOHN TIPTON" Subject: AeroElectric-List: Fw: [Norton AntiSpam]Re: [rvsqn] Charge indicator light Hi Guys This is an interesting little device at a very low price: http://www.ebay.co.uk/itm/12v-Battery-Charge-Warning-Light-voltage-indica tor-/150481634975?pt=UK_Sound_Vision_Other&hash=item230967869f Details here http://www.sparkbright.co.uk/ As the device can be programmed by the supplier for the buyers application, what would the values be - ie: over charging voltage - normal voltage - low voltage etc for an RV John __._,_.___Reply via web post Reply to sender Reply to group Start a New Topic Messages in this topic (7) Recent Activity: a.. New Members 5 a.. New Photos 2 Visit Your Group To Post a message, send it to: rvsqn@eGroups.com To Unsubscribe, send a blank message to: rvsqn-unsubscribe@eGroups.com Switch to: Text-Only, Daily Digest - Unsubscribe - Terms of Use - Send us Feedback . __,_._,___ ________________________________ Message 3 _____________________________________ Time: 01:08:12 PM PST US Subject: AeroElectric-List: [Norton AntiSpam]Re: [rvsqn] Charge indicator light From: "nuckollsr" Interesting product. If it's well calibrated and stable, the voltages cited are typical and appropriate for a 14v system Here's a 'cleaner' link to the offering on ebay. http://tinyurl.com/bt8rz55 I'll order one and see how well it delivers on its claims. Bob . . . Read this topic online here: http://forums.matronics.com/viewtopic.php?p=395539#395539 ________________________________ Message 4 _____________________________________ Time: 01:26:48 PM PST US From: Henry Hallam Subject: Re: AeroElectric-List: Fw: [Norton AntiSpam]Re: [rvsqn] Charge indicator light That looks great especially for cramped panels. On Sun, Mar 3, 2013 at 12:31 PM, JOHN TIPTON wrot e: > ** > Hi Guys > > This is an interesting little device at a very low price: > > ** * > http://www.ebay.co.uk/itm/12v-Battery-C** > harge-Warning-Light-voltage-indicator-/150481634975?pt=UK_Sound_Vision_ Other&hash=item230967869f > * > > > Details here > > http://www.sparkbright.co.uk/ > > As the device can be programmed by the supplier for the buyers > application, what would the values be - ie: over charging voltage - norma l > voltage - low voltage etc for an RV > > John > > __._,_.___ > Reply via web post Reply > to sender > Reply > to group > Start > a New Topic Messages > in this topic(7) > Recent Activity: > > - New Members > 5 > - New Photos > 2 > > Visit Your Group > To Post a message, send it to: rvsqn@eGroups.com > > To Unsubscribe, send a blank message to: rvsqn-unsubscribe@eGroups.com > [image: Yahoo! Groups] > Switch to: Text-Only, > Daily Digest - > Unsubscribe - Terms > of Use - Send us Feedback > > . > > __,_._,___ > > * > =========== =========== =========== =========== > * > > ________________________________ Message 5 _____________________________________ Time: 01:26:57 PM PST US From: "JOHN TIPTON" Subject: Re: AeroElectric-List: [Norton AntiSpam]Re: [rvsqn] Charge indicator light Nice one Bob: I look forward to seeing the results John (RV-9a - England) ----- Original Message ----- From: "nuckollsr" Sent: Sunday, March 03, 2013 9:07 PM Subject: AeroElectric-List: [Norton AntiSpam]Re: [rvsqn] Charge indicator light > > > Interesting product. If it's well calibrated and stable, the voltages > cited are typical and appropriate for a 14v system Here's a 'cleaner' link > to the offering on ebay. > > http://tinyurl.com/bt8rz55 > > I'll order one and see how well it delivers on its claims. > > Bob . . . > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=395539#395539 > > > ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message aeroelectric-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/AeroElectric-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/aeroelectric-list Browse Digests http://www.matronics.com/digest/aeroelectric-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.