Search: Posts Made By: everydayflyer
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Forum: Combat
02-27-2012, 02:26 AM
Replies: 23
Views: 15,097
Posted By everydayflyer

Somewhere around 35 years ago I first started...

Somewhere around 35 years ago I first started flying Deltas and Flying Wings. I have always found them to be excellent sports flyers and great go to planes. Back 20 years plus ago I built and flew a...
02-22-2012, 07:57 PM
Replies: 3
Views: 2,165
Posted By everydayflyer

Simple answer is you can not tell. You can...

Simple answer is you can not tell.

You can get a fairly accurate measurement if you have a charger which shows mAh delivered to the LiPoly during the charge and it happens to be accurate. Some...
02-22-2012, 11:02 AM
Replies: 12
Views: 1,927
Posted By everydayflyer

Yes it should and it should be fine on your other...

Yes it should and it should be fine on your other ps at 13V also.

Chargers designed to work off of a auto's battery operate in the range of 10.5V to 13.8 perhaps even 14.5V normaly .
02-22-2012, 10:57 AM
Replies: 2
Views: 1,358
Posted By everydayflyer

All opf these E flite OEM micro chargers are set...

All opf these E flite OEM micro chargers are set at aprox. 300 mA rate , This one has pots. inside which can be set from aprox. 150 to 400 mA .

Mine moded a bit
...
02-21-2012, 08:30 PM
Replies: 90
Views: 21,875
Posted By everydayflyer

One of the very best Pb sites I am aware of ...

One of the very best Pb sites I am aware of

http://www.windsun.com/Batteries/Battery_FAQ.htm

Direct link to your question Peukert's_law from that site.
...
02-16-2012, 09:13 PM
Replies: 90
Views: 21,875
Posted By everydayflyer

As posted in #1 "Peukerts Law", law will enable...

As posted in #1 "Peukerts Law", law will enable accurate real world ratings but for those who like simple a true deep cycle will have a reserve minutes rating. Reserve minutes is the length of time ...
02-12-2012, 07:55 PM
Replies: 12
Views: 4,596
Posted By everydayflyer

Factory data ...

Factory data

http://www.eneloop.info/home/performance-details/capacity.html


The last 8 Eneloops which I tested before use as a DX7 Transmitter battery were cycled in a Maha C9000 which is...
02-04-2012, 08:09 PM
Replies: 13
Views: 3,335
Posted By everydayflyer

By defination a 1C charge is a one hour charge...

By defination a 1C charge is a one hour charge just as a 10C discharge is a 6 min. discharge.


Nano has to do with partical size and was first used by A123 Systems in their LiFePO4 cells.
...
02-04-2012, 05:00 PM
Replies: 14
Views: 16,352
Posted By everydayflyer

Hyperion now has LiPolys with the UMX compatible...

Hyperion now has LiPolys with the UMX compatible connector as stock.

FYI The HK nano tech 2S 25C 180 mAh LiPoly with an everyday price of $5 are indeed very good ones.

My test here
...
02-04-2012, 03:44 PM
Replies: 5
Views: 2,579
Posted By everydayflyer

I was one of the very early adapties and tested...

I was one of the very early adapties and tested many of the prismatic( looks like LiPolys) Li Fe PO4 cells and non were really much good for anything over 3C or so discharge rates.


My...
04-03-2011, 08:31 PM
Replies: 1
Views: 958
Posted By everydayflyer

Dualsky uses the JST-XH balancing connector which...

Dualsky uses the JST-XH balancing connector which is the same one used by most china / Japan LiPoly pack builders.

They are wired starting with pack negative

- / +- / +- / + for a 3S.
...
03-27-2011, 03:19 PM
Replies: 12
Views: 7,132
Posted By everydayflyer

I have read many times that Riggid cordless power...

I have read many times that Riggid cordless power tools have a Lifetime warranty on thier batteries , free replacements.
03-22-2011, 10:25 PM
Replies: 10
Views: 2,277
Posted By everydayflyer

Hitec has a 4 channel (out put )charger ...

Hitec has a 4 channel (out put )charger

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXAEGM&P=0


as does Hobby King. I have no experience with either but many on RC Groups like them. I...
03-22-2011, 04:29 PM
Replies: 1
Views: 958
Posted By everydayflyer

First point I noticed was 50mA charge rate cutoff...

First point I noticed was 50mA charge rate cutoff point. Most chargers use a 1/10C of the set charge rate so for a 6A charge rate cut off is 600 mA. Using 50 mA is one way to insure cells are fully...
03-22-2011, 01:02 AM
Replies: 6
Views: 1,498
Posted By everydayflyer

4.235 is the max. recomendaded charge to voltage...

4.235 is the max. recomendaded charge to voltage however as mentioned 4.2 is the Full Standard and is a bit knnder on the cells. Charging to under 4.2 is even better for the cells. Most every LiPoly...
03-16-2011, 02:22 AM
Replies: 70
Views: 21,422
Posted By everydayflyer

I have been breaking-in LiPolys like 5 plusyears...

I have been breaking-in LiPolys like 5 plusyears now. I have posted proof of lower IR, more volts under load,less heating for years. Those who feel it is foolishish to bother such as Steve Neu and...
03-15-2011, 07:44 PM
Replies: 9
Views: 2,411
Posted By everydayflyer

Best for the money ...

Best for the money

http://www.rcgroups.com/forums/showthread.php?t=1244249
03-12-2011, 02:46 PM
Replies: 118
Views: 32,136
Posted By everydayflyer

Nitro Blast while I agree that you are indeed...

Nitro Blast while I agree that you are indeed charginging inside the aircraft I would also point out that the LiPoly is in full view. To me this is very different than a LiPoly being buried in thge...
03-10-2011, 07:08 PM
Replies: 118
Views: 32,136
Posted By everydayflyer

Swift 428 The reason I balance when the...

Swift 428

The reason I balance when the cells are full or nearly so is simple as I have posted for years now. The only time a LiPoly should be balanced is when it is full.

Balancing...
03-09-2011, 02:45 AM
Replies: 118
Views: 32,136
Posted By everydayflyer

A Blinky only has appprox.30 mA balancing power...

A Blinky only has appprox.30 mA balancing power so as I have posted for years only works well with packs which do not need balancing.

Balancing a discharged LiPoly or A123 is just wrong and makes...
03-08-2011, 01:32 AM
Replies: 8
Views: 2,191
Posted By everydayflyer

My two Power Lab 8s can balance charge up to 8S...

My two Power Lab 8s can balance charge up to 8S each as can my icharger 308B and my TP820CD can do two 8S at a time sperately and my iCharger 3010B can balance charge up to a 10S however as Larry...
03-06-2011, 01:16 AM
Replies: 4
Views: 2,664
Posted By everydayflyer

From Thunder Power RC LiPoly Safety sheet ...

From Thunder Power RC LiPoly Safety sheet




The standard practice is to leave approx. 20% capacity which should result in the cells being approx. 3.7 volts each.
03-05-2011, 10:44 PM
Replies: 118
Views: 32,136
Posted By everydayflyer

and yet many swear that their servos draw more...

and yet many swear that their servos draw more than 10 amps. thrugh leads and connectors that are even worse.

Yes the FMA balancing leaeds / connectors can indeed handle 3 amps. just fine and in...
03-05-2011, 12:19 PM
Replies: 118
Views: 32,136
Posted By everydayflyer

My,my,my. OK I do not charge LiPolys in the...

My,my,my.

OK I do not charge LiPolys in the aircraft normaly due to the simple fact that all of mine have battery hatches. I did charge a 3S A123 inside of my MUS for over 500 times and at 20A...
03-05-2011, 03:06 AM
Replies: 8
Views: 1,576
Posted By everydayflyer

The voltage of the cells in a high quality LiPoly...

The voltage of the cells in a high quality LiPoly at 3.0 per cell cut off under a moderate to heavy load ( 40 to 80% of rated C) will be extremly close to the same. The voltages of a HK and other...
03-04-2011, 03:07 PM
Replies: 8
Views: 1,576
Posted By everydayflyer

While 1C charging was the norm years ago back in...

While 1C charging was the norm years ago back in the days of 3 to 6C discharge ratings and non balancing chargers things have changed big time.
Thunder Power ProLites 13C which have been available...
02-21-2011, 03:14 AM
Replies: 22
Views: 3,969
Posted By everydayflyer

The following are my opinions and have worked for...

The following are my opinions and have worked for myself and many others.

Proper storage :
Approx. 3.85 volts per cell in a cool location. IMO with today's fast charge capable LiPolys and high...
02-15-2011, 01:25 PM
Replies: 6
Views: 2,563
Posted By everydayflyer

I also have a Cell Pro 10 but truth is on 12V it...

I also have a Cell Pro 10 but truth is on 12V it is really more like a 180 watt charger.

To me 10Amps is to slow for A123s as I charged mine at 20A plus. I was somewhat of a pionerer / leader in...
02-12-2011, 07:15 PM
Replies: 36
Views: 11,221
Posted By everydayflyer

Which is why the reserve minutes are so important...

Which is why the reserve minutes are so important IMO.

I use two 125 Ah flooded cell deep cycles as a field power source. The resever minutes ratiing for each is 210 minutes or 3-1/2 hours. 3.5 X...
02-10-2011, 10:50 AM
Replies: 25
Views: 4,986
Posted By everydayflyer

Alternate LSD AAs / non Sanyo Eneloops Recent...

Alternate LSD AAs / non Sanyo Eneloops
Recent Eneloop test to serve as a comparison.. The original flavor which is now 5 years old ,these were fresh(recent purchase).

Tested on a MAHA MH C-9000...
Showing results 1 to 30 of 500
 


 
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