[NSRCA-discussion] Some more lipo fire videos
vicenterc at comcast.net
vicenterc at comcast.net
Thu May 25 08:32:50 AKDT 2006
Chad,
Thanks, looks like the temperature sensor is not the solution. I am already ordering one of the chargers you suggested with balancer. Clearly, that will be safer option.
Thanks,
Vicente Bortone
-------------- Original message --------------
From: Chad Northeast <chadnortheast at shaw.ca>
> Even charging at 2 and 3C (I do this on 3s 2100's) they dont get warm....maybe
> 5C warmer but no where near what they get while flying.
>
> Over-voltage (the main cause of fire while charging) protective circuits are a
> far more reliable way to shut down a charge...as well protecting cells from
> serious damage. By the time they get hot enough to set off your thermal device
> you are probably already dangerously close to enough voltage for a fire....and
> your packs would be completely toast even if the charge was terminated.
>
> There are now a number of balancers/balancing chargers that incorporate some
> form of charger shutdown/interruption for over-voltage....Schulze, Orbit, TP,
> Hyperion just to name some.
>
> Chad
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> It may depend on the charge rate. I charge my 2100s @ 2A and they don't =
> even
> get warm and the Elite, with temp probe, has never shut down.
> =20
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Michael
> Laggis
> Sent: Thursday, May 25, 2006 11:57 AM
> To: 'NSRCA Mailing List'
> Subject: Re: [NSRCA-discussion] Some more lipo fire videos
> =20
> Vicente,
> I believe with Li-Poly you would be pass the point of no return if the
> batteries got warm enough to do the thermal shut off. I may be wrong.
> =20
> Michael
> =20
> _____ =20
>
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
> vicenterc at comcast.net
> Sent: Thursday, May 25, 2006 6:27 AM
> To: NSRCA Mailing List; NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] Some more lipo fire videos
> I am new in using LiPo. I started with small foamy just to learn about
> e-power. I am using the Elite Charger that monitors the battery
> temperature. I bought the sensors and I am using when charging the =
> LiPo.
> The sensors shots down the charging if the temperature goes over a set
> point. My question to the experts: Is the temperature sensor safe to
> monitor LiPO charging? I am charging only at the field on my trailer. =
> I
> put the batteries over a ceramic title. Now I am using 640 mah =
> batteries
> but planing to use 2100 mah in my new Brio. After watching those tapes
> looks like I need to get something better to place the batteries. =
> Probably
> I need to install a fire place in my trailer. Better ideas?
> =20
> I don't think that many guys out there seat down and watch the charging
> process. We can get distracted very easy. It is really boring to keep
> looking a battery charging. The industry has to come with better ideas =
> to
> monitor this process and do something intelligent automatically to =
> prevent
> accidents. I think temperature sensors is a good idea.
> =20
> Vicente Bortone
> =20
> -------------- Original message --------------=20
> From: "Ed Miller" =20
> I feel much better about being fully invested in 3 - OS 140RX's, pipes =
> and
> headers. I'll wait till the battery technology gets a bit safer and =
> more
> idiot proof. No doubt the future is E power, just not yet for me. =
> We've
> had a few Lipo incidents at the local field while charging, thankfully =
> no
> major damage. It seems charging is the critical time, has anyone heard =
> of or
> seen a Lipo failure while in use or sitting unused ??
> Ed M.
> ----- Original Message -----=20
> From: Larry =20
> To: nsrca-discussion at lists.nsrca.org=20
> Sent: Thursday, May 25, 2006 12:18 AM
> Subject: [NSRCA-discussion] Some more lipo fire videos
> =20
> Maybe this is a good time to share these videos - if you haven't seen =
> them
> they are well worth watching. Look on the left side of the bottom of the
> main page.
> =20
> Lipos fires 1,2 & 3
> =20
> http://www.utahflyers.org/
> =20
> I have become a bit of a lipo safety nazi lately - ever since I had my =
> first
> lipo fire a couple of months ago.
> =20
> I have been using lipos since the early days. I'm a smart guy with a
> background in electronics and all things electrical. I am known as =
> "Electric
> Larry" at our field. I teach other people how to do electrics and what =
> NOT
> to do. I'm the go-to guy in our club. In spite of all that - I had a =
> major
> lipo fire a couple of months ago that destroyed almost all my RC gear =
> and
> planes and came very close to burning down my house. It was 100% my =
> fault. I
> was doing too many things at once and had become casual/careless in my =
> care
> of lipos. I had gone YEARS with no issues at all and had gotten =
> complacent.
> =20
> My equipment and charging routines are now 100% improved.
> =20
> Be careful guys.
> =20
> Larry
>
> _____ =20
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
> ------=_NextPart_000_006F_01C67FF3.3A8BD1A0
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>
> > xmlns:o=3D"urn:schemas-microsoft-com:office:office" =
> xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
> xmlns=3D"http://www.w3.org/TR/REC-html40">
>
>
> > charset=3DUS-ASCII">
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> style=3D'font-size:
> 10.0pt;font-family:Arial;color:navy'>It may depend on the charge rate. I =
> charge
> my 2100s @ 2A and they don’t even get warm and the Elite, with =
> temp
> probe, has never shut down.
>
>
> style=3D'font-size:
> 10.0pt;font-family:Arial;color:navy'>
>
>
> face=3DTahoma>> style=3D'font-size:10.0pt;font-family:Tahoma'>-----Original =
> Message-----
> From:
> nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] > style=3D'font-weight:
> bold'>On Behalf Of Michael Laggis
> Sent: Thursday, May 25, =
> 2006 11:57
> AM
> To: 'NSRCA Mailing =
> List'
> Subject: Re: =
> [NSRCA-discussion]
> Some more lipo fire videos
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
> color=3Dblue face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial;color:blue'>Vicente,> font>
>
>
> color=3Dblue face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial;color:blue'>I believe with =
> Li-Poly
> you would be pass the point of no return if the batteries got warm =
> enough to do
> the thermal shut off. I may be wrong.
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
> color=3Dblue face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial;color:blue'>Michael> ont>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
> style=3D'margin-left:.5in;text-align:center'>> size=3D3 face=3D"Times New Roman">
>
>
>
>
>
>
> style=3D'mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
> 12.0pt;margin-left:.5in'>> style=3D'font-size:
> 10.0pt;font-family:Tahoma;font-weight:bold'>From:> size=3D2 face=3DTahoma>> style=3D'font-size:10.0pt;font-family:Tahoma'>
> nsrca-discussion-bounces at lists.nsrca.org =
> [mailto:nsrca-discussion-bounces at lists.nsrca.org]
> On Behalf Of =
> vicenterc at comcast.net
> Sent: Thursday, May 25, =
> 2006 6:27
> AM
> To: NSRCA Mailing List; =
> NSRCA
> Mailing List
> Subject: Re: =
> [NSRCA-discussion]
> Some more lipo fire videos
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>I am new in using LiPo. I started with =
> small
> foamy just to learn about e-power. I am using the Elite =
> Charger that
> monitors the battery temperature. I bought the sensors and I =
> am
> using when charging the LiPo. The sensors shots down the charging =
> if the
> temperature goes over a set point. My question to the =
> experts: Is
> the temperature sensor safe to monitor LiPO charging? I am =
> charging
> only at the field on my trailer. I put the batteries over a =
> ceramic
> title. Now I am using 640 mah batteries but planing to use 2100 =
> mah in my
> new Brio. After watching those tapes looks like I need to get =
> something
> better to place the batteries. Probably I need to install a fire =
> place in
> my trailer. Better ideas?
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>I don't think that many guys out there seat =
> down and
> watch the charging process. We can get distracted very easy. =
> It is
> really boring to keep looking a battery charging. The industry has =
> to
> come with better ideas to monitor this process and do something =
> intelligent
> automatically to prevent accidents. I think temperature sensors is =
> a good
> idea.
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>Vicente Bortone
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
> 1.5pt;padding:0in 0in 0in 3.0pt;
> margin-left:3.0pt;margin-top:5.0pt;margin-bottom:5.0pt'>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>-------------- Original message =
> --------------
> From: "Ed Miller" <edbon85 at charter.net> =
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>I feel much better about being fully invested =
> in 3 -
> OS 140RX's, pipes and headers. I'll wait till the battery =
> technology gets
> a bit safer and more idiot proof. No doubt the future is E power, =
> just
> not yet for me. We've had a few Lipo incidents at the local field =
> while
> charging, thankfully no major damage. It seems charging is the critical =
> time,
> has anyone heard of or seen a Lipo failure while in use or sitting =
> unused ??
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>Ed M.
>
>
>
>
> 1.5pt;padding:0in 0in 0in 3.0pt;
> margin-left:3.0pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>=
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>----- Original Message =
> -----
>
>
>
>
>
>
> style=3D'margin-left:.5in;background:#E4E4E4'>> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>From:> >> size=3D2 face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'> > href=3D"mailto:ledunn at centurytel.net" =
> title=3D"ledunn at centurytel.net">Larry
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>To:<=
> /font>> size=3D2 face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'> > href=3D"mailto:nsrca-discussion at lists.nsrca.org"
> title=3D"nsrca-discussion at lists.nsrca.org">nsrca-discussion at lists.nsrca.o=
> rg
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>Sent:> >> size=3D2 face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'> Thursday,
> May 25, 2006 12:18 AM
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial;font-weight:bold'>Subject:> pan>> size=3D2 face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>
> [NSRCA-discussion] Some more lipo fire =
> videos
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>Maybe this is a good time =
> to share
> these videos - if you haven't seen them they are well worth watching. =
> Look on
> the left side of the bottom of the main =
> page.
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>Lipos fires 1,2 & =
> 3
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>> href=3D"http://www.utahflyers.org/">http://www.utahflyers.org/=
>
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>I have become a bit of a =
> lipo safety
> nazi lately - ever since I had my first lipo fire a couple of months =
> ago.
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>I have been using lipos =
> since the
> early days. I'm a smart guy with a background in electronics and all =
> things
> electrical. I am known as "Electric Larry" at our field. I =
> teach
> other people how to do electrics and what NOT to do. I'm the go-to guy =
> in our club.
> In spite of all that - I had a major lipo fire a couple of months ago =
> that
> destroyed almost all my RC gear and planes and came very close to =
> burning down
> my house. It was 100% my fault. I was doing too many things at once
> and had become casual/careless in my care of lipos. I had =
> gone YEARS
> with no issues at all and had gotten =
> complacent.
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>My equipment and charging =
> routines
> are now 100% improved.
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>Be careful =
> guys.
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>
>
>
>
>
>
>
> face=3DArial>> style=3D'font-size:10.0pt;font-family:Arial'>Larry> p>
>
>
>
>
>
>
> style=3D'margin-left:.5in;text-align:center'>> size=3D3 face=3D"Times New Roman">
>
>
>
>
>
>
> face=3D"Times New Roman">> style=3D'font-size:12.0pt'>______________________________________________=
> _
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion> >
>
>
>
>
>
>
>
>
>
>
>
> ------=_NextPart_000_006F_01C67FF3.3A8BD1A0--
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