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06-08-2016, 01:52 PM
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Join Date: Sep 2012
Location: Omaha, NE (KMLE)
Posts: 2,247
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What Paul said. I'd also like to see the basic stuff -- comparison of your battery to an AGM, SLA or other more "traditional" battery chemistry including weight, capacity, cranking power, discharge characteristics, failure modes, charging requirements, etc.
Most of all I'd love to see a cutaway of an actual production unit showing how your battery is put together. That would tell me a lot of what I really want to know.
__________________
Dale
Omaha, NE
RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)
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06-08-2016, 02:09 PM
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Join Date: Aug 2010
Location: Wichita, KS
Posts: 1,958
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Quote:
Originally Posted by EarthX Lithium
Thanks and great question and demo idea. Quick question, you say "Potential failure modes of common BMS's built in to some of the popular LiFePo batteries".....I do not know of any other LifePo battery in this market that has a BMS at all, let alone potential failure modes the BMS could have, can you enlighten me on the brand so we can research this?
Fly Lightly,
Kathy
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I suppose I assumed that there were other players in the market sporting a BMS. This highlights my ignorance on the matter I suppose. Exactly why your presence at a forum is needed!
As far as failure modes, we can probably agree that any electronic or mechanical device CAN fail. In what ways could the EarthX BMS possibly fail? What happens if it does? With your redundant BMS's, is it completely impossible for the failure of one to take out the other? Why? What happens if it does?
Saying something cannot fail catastrophically is fine, but teaching us why it can't fail, or that when it does it's only going to cause a minor headache rather than a truly bad day, is the ticket to getting on more and more airframes. We homebuilders will eat up an education like that! 
__________________
Kurt W.
RV9A
FLYING!!!
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06-08-2016, 02:12 PM
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Join Date: Feb 2014
Location: Windsor, CO
Posts: 257
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Quote:
Originally Posted by RV8JD
Kathy,
This sounds like it would be a great source of info and answer many questions that folks have.
Would you please make the presentation available for those unable to attend Oshkosh?
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Absolutely! We are going to compile questions/answers for the forum/presentation and will be happy to share.
Fly Lightly,
Kathy
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Fly Lightly,
Kathy
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06-08-2016, 02:17 PM
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Join Date: Feb 2014
Location: Windsor, CO
Posts: 257
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Quote:
Originally Posted by krw5927
I suppose I assumed that there were other players in the market sporting a BMS. This highlights my ignorance on the matter I suppose. Exactly why your presence at a forum is needed!
As far as failure modes, we can probably agree that any electronic or mechanical device CAN fail. In what ways could the EarthX BMS possibly fail? What happens if it does? With your redundant BMS's, is it completely impossible for the failure of one to take out the other? Why? What happens if it does?
Saying something cannot fail catastrophically is fine, but teaching us why it can't fail, or that when it does it's only going to cause a minor headache rather than a truly bad day, is the ticket to getting on more and more airframes. We homebuilders will eat up an education like that! 
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Another great set of questions that I have copied into the "Questions category" to be answered.
Fly Lightly,
Kathy
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Fly Lightly,
Kathy
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06-08-2016, 02:18 PM
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Join Date: Feb 2014
Location: Windsor, CO
Posts: 257
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Quote:
Originally Posted by DaleB
What Paul said. I'd also like to see the basic stuff -- comparison of your battery to an AGM, SLA or other more "traditional" battery chemistry including weight, capacity, cranking power, discharge characteristics, failure modes, charging requirements, etc.
Most of all I'd love to see a cutaway of an actual production unit showing how your battery is put together. That would tell me a lot of what I really want to know.
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Thanks Dale,
We do currently have this on our website right now but it would be great to have a slide show presentation of this as well. Thanks!
Fly Lightly,
Kathy
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Fly Lightly,
Kathy
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06-08-2016, 02:41 PM
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Join Date: Jan 2005
Location: NC25
Posts: 3,507
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Quote:
Originally Posted by RV8JD
Kathy,
--- snip ---
Would you please make the presentation available for those unable to attend Oshkosh?
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In the past, most if not all AirVenture Forums are audio recorded and available for purchase. I will pass on the link to the AirVenture Forum recordings once I pickup the info at AirVenture 2016 but it may be in another thread.
Here is a link to what Google gave me for 2015.
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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06-10-2016, 06:17 PM
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Join Date: Jan 2008
Location: Ashland, OR
Posts: 2,574
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Check PM's
Kathy at EarthX, please check your PM's. Info sent for you, thanks.
__________________
Steve Smith
Aeronautical Engineer
RV-8 N825RV
IO-360 A1A
WW 200RV
"The Magic Carpet"
Hobbs 625
LS6-15/18W sailplane SOLD
bought my old LS6-A back!! 
VAF donation Jan 2020
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06-28-2016, 03:51 PM
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Join Date: Feb 2014
Location: Windsor, CO
Posts: 257
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Oshkosh is around the corner but the deals are now!
It's hard to believe that Oshkosh is just around the corner! We are very excited to be in Hangar C and look forward to meeting you if we haven't already!
As you might know from past years, our booth gets very busy and it is hard sometimes to even get close to the table. We are pre-selling now with Oshkosh pricing available. The batteries do not get discounted ever....I know they are expensive but they really are priced as low as we can price them and do not ever have "sale" pricing so you know you are getting your best deal available. We do however deeply discount our accessories!!
Give us a call or email us to find out the pricing and place an order now if you are in the market. sales@earthxbatteries.com or 970 674-8884.
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Fly Lightly,
Kathy
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06-29-2016, 09:15 AM
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Join Date: Feb 2014
Location: Windsor, CO
Posts: 257
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"Deals" clafification from EarthX
Wow, thank you for the huge response to the previous post about Oshkosh and deals.
I want to clarify the deals..... THE BATTERIES are not discounted as they are priced year round at the lowest possible pricing.
The ACCESSORIES are discounted such as the chargers, battery boxes, LED light, and portable jump packs. For example the multi-use battery box is $59 retail but right now you can order it for $35.
Fly Lightly,
Kathy
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Fly Lightly,
Kathy
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06-29-2016, 01:42 PM
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Join Date: May 2005
Location: Tuttle, Oklahoma
Posts: 2,563
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Quote:
Originally Posted by EarthX Lithium
Wow, thank you for the huge response to the previous post about Oshkosh and deals.
I want to clarify the deals..... THE BATTERIES are not discounted as they are priced year round at the lowest possible pricing.
The ACCESSORIES are discounted such as the chargers, battery boxes, LED light, and portable jump packs. For example the multi-use battery box is $59 retail but right now you can order it for $35.
Fly Lightly,
Kathy
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Oh man! I just bought one of the multi-use battery boxes and put it on my plane the last week of May.  I paid the $59 plus shipping! But then again, the battery would not fit in my existing PC680 Vans battery box so had to have it. what's a guy to do? Lose $$ here, gain $$$ there. I am sure it will all come out in the wash sometime.
Live Long and Prosper!
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