[NSRCA-discussion] TP 1010 testing

Grow Pattern pattern4u at comcast.net
Wed Mar 29 14:39:40 AKST 2006 

Richard,
              I liked the balance of your report - Thank you, Eric.

----- Original Message ----- 
From: "Richard Strickland" <richard.s at allied-callaway.com>
To: "'NSRCA Mailing List'" <nsrca-discussion at lists.nsrca.org>
Sent: Wednesday, March 29, 2006 12:00 PM
Subject: Re: [NSRCA-discussion] TP 1010 testing


> Orland and I got one set(the first) of 3200s to try for free to try along
> with some other recording stuff that we were not successful making work 
> with
> a comfortable range.  We ended up buying five more sets at 1200.00 total.
> They effectively lasted 25 cycles b/4 they lost enough cap. that they
> wouldn't make it through P05.  They came out with some 4000s that were a
> little better and Orland bought some of those for about 300.00(I think) 
> per
> set.  I was/am not convinced they would last much longer, so I didn't
> participate thinking they were simply going to have to come out with
> something bigger and badder to handle the amp draw without burning up.  I
> had some huge projects both at work and home that ate up all my time from
> about July 4th on so I could relax and wait.  I'm discussing 4800s with 
> them
> now.  FMA was relying on what Kokam was telling them when we first started
> talking pattern-and as I mentioned a while back, Kokam is acknowledging 
> the
> batteries lose cycles at higher C usage in and out-I don't think that was
> the case even a year ago!  When we started this electric venture, my point
> to all involved was I was going to treat the batteries with respect, but I
> was going to fly 'em like I fly-they were either going to work or not-and
> they did very nicely-for a while.  But I could see the temps creeping up 
> and
> the capacity reduction to where at around 25 cycles, they were effectively
> useless.. We abused them at 20-22C on a regular basis.   They were an
> experiment that everyone involved learned from.  I was a little
> disappointed, but I'm NOT complaining.  Once I got in the groove with the
> support stuff and was banging out practice flights in quite a bit less 
> time
> than I used to, I learned that it was simply a whole lot less hassle than
> glow.  I hope they give me a little consideration on the new sets-but I'm
> not really expecting it from the standpoint I'm in and out as my time
> permits.
>
> An aside: I attended The KC Flying Circuits club meeting last night and we
> discussed the MIFF we put on weekend B/4 last.  Other than a few bumps 
> here
> and there, it was pretty successful with a 100 pilots registered.  A few
> folks lost sight that it was an all around fun fly and not an 'Extreme 3D
> thing' foam fest.  One of the guys had some Orion? Kokam 4800 2 cell
> packs(for cars, I think) and those babies were HEAVY-very close to my 5 
> cell
> 3200s.  I've got a feeling these are going to be WAY heavier than anyone's
> big packs-no matter what the capacity.  But I'll bet we get some decent
> cycle times out of them, however.  And that may be the compromise-the more
> they try to overcome the longevity factor with more 'stuff' in them, the
> heavier they will get with the current technology.  What we need are some
> nice, light, huge, controllable capacitors.....
>
> Richard
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org]  On Behalf Of Grow 
> Pattern
> Sent: Tuesday, March 28, 2006 10:53 PM
> To: NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] TP 1010 testing
>
> So who is sponsored by FMA or is getting free stuff from them???
>
>
> ----- Original Message -----
> From: "Ron Van Putte" <vanputte at cox.net>
> To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> Sent: Tuesday, March 28, 2006 4:34 PM
> Subject: Re: [NSRCA-discussion] TP 1010 testing
>
>
>>
>> On Mar 28, 2006, at 3:24 PM, Robert Mairs wrote:
>>
>>> I cked out the FMA charger also before buying, actually it was the
>>> one I
>>> wanted to get.  Still using tp paks I asked the question on the fma
>>> board
>>> how this charger would work with the tp paks, they ignored my
>>> question.  I
>>> assume that it would have to charge through the balance connector?
>>> Would
>>> the connector be able to handle the 6amps+?  or was it a stupid
>>> question?  I
>>> know they plan on coming out with tp connectors.
>>
>> FMA has a curious attitude toward dealers and customers.  They
>> sometimes act as though we are the great unwashed and shouldn't be
>> asking questions; we should just buy their stuff and use it, because
>> it's the best you can buy.  If you don't believe me, just try asking
>> a tough question to one of them at the Toledo show in a week or so.
>>
>> Ron Van Putte
>>
>>>
>>>
>>> ----- Original Message -----
>>> From: "Dean Pappas" <d.pappas at kodeos.com>
>>> To: <chad at f3acanada.org>; "NSRCA Mailing List"
>>> <nsrca-discussion at lists.nsrca.org>
>>> Sent: Tuesday, March 28, 2006 12:43 PM
>>> Subject: Re: [NSRCA-discussion] TP 1010 testing
>>>
>>>
>>>> Hi Chad,
>>>> I don't know the internals of the TP circuits, but if the data
>>>> link from
>>>> balancer to charger is a simple alarm, then
>>>> the balancer will have to produce the same alarm/output in either
>>>> a real
>>>> over-voltage, or a "can't keep up with a growing imbalance"
>>>> condition.
>>>> Either way, the circuit worked fine, to avoid problems.
>>>>
>>>> The FMA just seamlessly slows the charge rate down, and resumes at
>>>> high-rate, when the imbalance is taken care of.
>>>>
>>>>
>>>> Dean Pappas
>>>> Sr. Design Engineer
>>>> Kodeos Communications
>>>> 111 Corporate Blvd.
>>>> South Plainfield, N.J. 07080
>>>> (908) 222-7817 phone
>>>> (908) 222-2392 fax
>>>> d.pappas at kodeos.com
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: nsrca-discussion-bounces at lists.nsrca.org
>>>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Chad
>>>> Northeast
>>>> Sent: Tuesday, March 28, 2006 12:28 PM
>>>> To: NSRCA Mailing List
>>>> Subject: Re: [NSRCA-discussion] TP 1010 testing
>>>>
>>>>
>>>> Hi Bob
>>>>
>>>> The overvoltage seems to be quite common...I get it
>>>> frequently...the packs
>>>> are not going over voltage though...checked with my Fluke on
>>>> recharge.
>>>> Seems to happen when the charger/balancer gets hot...I have seen it
>>>> display over 6V for individual cells.
>>>>
>>>> My charger goes into CV at 41V....but I have also had them
>>>> terminate the
>>>> charge early (41V)....unsure as to why.
>>>>
>>>> Chad
>>>>
>>>> ----- Original Message -----
>>>> From: Robert Mairs <robertm at sssnet.com>
>>>> Date: Tuesday, March 28, 2006 8:51 am
>>>> Subject: [NSRCA-discussion] TP 1010 testing
>>>>
>>>>> Got tired of building this last weekend, and decided to do some
>>>>> testing of
>>>>> the TP1010c charger.  Debated whether to post this, but some might
>>>>> be
>>>>> interested.
>>>>>
>>>>> All tests were done with the 5s3p 6000 prolites that have 90-100
>>>>> cycles on
>>>>> them.
>>>>>
>>>>> First off these packs haven't been touched since the end of
>>>>> september, in
>>>>> storage all winter.  So I proceeded to do a 1c charge, and then
>>>>> discharged
>>>>> with a cba to ck pack capacity.  They're holding up quite well
>>>>> with about a
>>>>> 4% drop in capacity as compared to new.  1c charge was quite
>>>>> uneventful,
>>>>> mostly getting accustomed to the charger.  I used both the 210 and
>>>>> 205
>>>>> balancers, both worked well with the system.  I did order 2 charge
>>>>> systems,
>>>>> but alas one charger had problems and has been sent back to
>>>>> thunder power.
>>>>> The push buttons seemed to lock up after a few seconds.  Only way
>>>>> to get it
>>>>> to unlock was to power it down.  Upon reactivation it would seem
>>>>> alright,
>>>>> but then the problem would reappear.  This was over several
>>>>> attempts.
>>>>>
>>>>> I then decided to do a 10s charge after deep cycling the pack to
>>>>> get a mah
>>>>> reading.  Resting voltage of the pack 34.992.
>>>>>
>>>>> A .029 spread over the 10 cells.  Close to the .03, but the
>>>>> balancer said it
>>>>> was ok to do normal charge.
>>>>>
>>>>> Charger started the initial charge for about 4 min then ramped up
>>>>> to 5amps
>>>>> as it got close to 37volts.  At 40volts charger went into cv from
>>>>> cc which
>>>>> seemed a little early??  Balancer was working pretty hard by this
>>>>> time.  Not
>>>>> sure at what point it was, but the alarms and bells started going
>>>>> off, and
>>>>> the charger shut down stating overvoltage on cell 6.  Balancer was
>>>>> pretty
>>>>> hot and quite active.  Not sure why it couldn't keep up, but it
>>>>> didn't.  Let
>>>>> the pack continue to balance out, and restarted the charge which
>>>>> took about
>>>>> another 400mah before pack was fully charged.  Anyways, found out
>>>>> the
>>>>> overvoltage feature works!  Wisdom gained, if that big of a cell
>>>>> spread,
>>>>> balance it out first, but I was kind of surprised this happened.
>>>>> First
>>>>> because the balancer said ok, 2nd I thought the charger wouldn't
>>>>> ramp up the
>>>>> current until all cells were within specs, 3rd I didn't think the
>>>>> balancer
>>>>> would have any problem at 5amps which is only a .8c charge.
>>>>>
>>>>>
>>>>>
>>>>> Redischarged the packs, taking out about 4500mah.  Pack voltage
>>>>> this time
>>>>> was at 37.26 with only .006 spread over the 10 cells.  Started the
>>>>> same 10s
>>>>> charge, this time uneventful til completion.  The balancer was
>>>>> quite active,
>>>>> but didn't heat up as the first charge did.  Total charge time was
>>>>> 65
>>>>> minutes and put in 4594mah.  Balancer was still active at end of
>>>>> charge.
>>>>> cell voltage spread was .012 over the 10 cells, pack voltages were
>>>>> 20.86 and
>>>>> 20.84.  Not sure I like the 10s feature.
>>>>>
>>>>>
>>>>>
>>>>> Decided to try a 1.5c charge on one of the 5s packs.
>>>>>
>>>>> Resting voltage 18.68 with a .005 spread on the 5 cells.  Set to
>>>>> 5cells
>>>>> 9amps, fast charge.
>>>>>
>>>>> 1st 1000mah at about 7min.
>>>>> 2nd 1000mah at about 13min.
>>>>> at 30min was at 3.86amps, voltage at 21v.  4290mah
>>>>> 31min   3.2amps, 4350mah
>>>>> 32min   2.78amps, 4390mah
>>>>> 33min   2.33amps, 4437mah
>>>>> 34min   2.13amps, 4474mah
>>>>> 35min   1.75amps, 4506mah
>>>>> 36min   1.58amps, 4533mah
>>>>> 36min 52sec  charge terminated at 4554mah
>>>>>
>>>>> cv kicked in at 20.48volts
>>>>>
>>>>> Ending voltage was 20.85 with a .006 spread over the 5 cells.
>>>>> Noticed no
>>>>> heat buildup in pack, or balancer.  Balancer showed little
>>>>> activity through
>>>>> out the charge.  Didn't work nearly as hard as the successful 10s
>>>>> charge.
>>>>> Used the 205v balancer on the 1.5c charge.
>>>>>
>>>>> Also tried the storage discharge and charge which worked quite
>>>>> well.  The
>>>>> discharge came closer at 19.26 volts, can only discharge a 1amp.
>>>>>
>>>>> Chargers quite easy to use.  I'm leaning towards the 1.5c charge
>>>>> with 2
>>>>> chargers.  It worked very well.  Will have to wait and see how
>>>>> long it takes
>>>>> to get my 2nd charger back.
>>>>> Anyways that's the way it went for me for those interested.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> NSRCA-discussion mailing list
>>>>> NSRCA-discussion at lists.nsrca.org
>>>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>>>>
>>>>
>>>> _______________________________________________
>>>> NSRCA-discussion mailing list
>>>> NSRCA-discussion at lists.nsrca.org
>>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>>>
>>>> _______________________________________________
>>>> NSRCA-discussion mailing list
>>>> NSRCA-discussion at lists.nsrca.org
>>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>>>
>>>>
>>>
>>>
>>> _______________________________________________
>>> NSRCA-discussion mailing list
>>> NSRCA-discussion at lists.nsrca.org
>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>
>> _______________________________________________
>> NSRCA-discussion mailing list
>> NSRCA-discussion at lists.nsrca.org
>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
>
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>

More information about the NSRCA-discussion mailing list