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assembling battery packs - 7/3/2003 7:09:09 AM   
AirJake74


 

Posts: 15
Joined: 6/29/2003
From: Tulsa, Oklahoma
Status: offline 		is it very difficult to assemble youre own packs? realized its a lot cheaper to buy single cells and all ya know....anyway, obviously they would have to be soldered opposite ends and all and id need right connector, but any info/help you all can help me with would be greatly appreciated....thanks, Jason
       Post #: 1

assembling battery packs - 7/3/2003 7:41:52 AM   
KJohn


 

Posts: 264
Joined: 2/19/2003
From: Medina, OH, USA
Status: offline 		I have done the often but I think if you can purchase a ready made pack then it is probably the better way to go. You will get the cells already soldered, the cells in shrink wrap and the wire and connectors ready to use. A lot less hassle.

The only reason I have made packs is just for the novelty of it. I also chose the specific brand and types of cells I wanted to use.

If you do make your own pack make SURE you choose the cells with solder tabs and make sure there is no question the connections will not fail from poor solder joints or twisting the pack or twisting the exit wires and connector when installing and removing the pack from the plane. If you can mount them in plastic battery pack cases this should be done to limit possible problems.

(in reply to AirJake74)
       Post #: 2

thanks keith - 7/7/2003 7:24:18 AM   
AirJake74


 

Posts: 15
Joined: 6/29/2003
From: Tulsa, Oklahoma
Status: offline 		I guess youre right huh...i probably would be better off just buying my packs till i get a little more experience in. I may try to do some assembling later on down the road though. I do appreciate youre time answering my post!

(in reply to AirJake74)
       Post #: 3

assembling battery packs - 7/9/2003 12:18:18 AM   
LuckyArmpit



Posts: 847
Joined: 8/6/2002
From: West Middlesex, PA, USA
Status: offline 		Nonsense! Easy to solder your own packs. I save well over 50%
of cost. You need a 40 watt Weller soldering iron, electronics
solder. You can get all of this stuff at Radioshack. Check out
[url]www.dynamoelectrics.com[/url]
There is a section there that shows you how to make your own
packs. 8 cell 1700 SCR's sell for close to $50. I can make them
for less than half the price.
You can also search [url]www.rcgroups.com/forums[/url] for posts that
pertain to making packs. That website is primarily for E-flight.
More knowledgeable people on one screen (electric flight) than
hobby shops.

Dave...

(in reply to AirJake74)
       Post #: 4

It's time to remind us of DAVE THACKERS' page about all... - 7/11/2003 5:16:53 AM   
The PIPE



Posts: 703
Joined: 10/5/2002
From: Weymouth, MA, USA
Status: offline 		Dear Fellow RCU'ers:

The PIPE here again-and the whole story (JUST about) on building your own battery packs is at

http://members.aol.com/davthacker/cellsoldering.htm

as a "refresher" to our minds!

Yours Sincerely,

The PIPE!

(in reply to AirJake74)
       Post #: 5

assembling battery packs - 7/11/2003 7:03:39 AM   
LuckyArmpit



Posts: 847
Joined: 8/6/2002
From: West Middlesex, PA, USA
Status: offline 		Pipe, excellent site!!!! Solder a couple of packs and your a pro!
No kiddin! A few tips....
1st....keep the solder tip on the iron well tinned (with solder) and
clean.
2nd...use solder paste...get it at ratshack...makes the solder flow
alot easier!
3rd....get a hammer head tip for your iron. Can be had at Hobby
Lobby or other hobby shops. Great for making flat packs
that fit in Zagi's and other wings and models.

Thats it!!! Soldering up a couple of 8 cell KAN 1050 packs for speed 400 ships. Lesseeeee.....2 packs, 16 cells for $32, add
$1.50 per pack for connector and wire and shrink wrap. Thats about $17 a pack. Where are you gonna get a price like that for
this kind of high grade pack? Hobby shops will get ya for $30 or more.

Dave...

(in reply to AirJake74)
       Post #: 6

assembling battery packs - 7/11/2003 7:37:04 AM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		Why not buy a four battery AA holder at radio shack? Buy the 1800 MAh batteries at home depot. Wrap around twice with electrical tape and Wallah you have 1800 MAh batteries for $11.00.


_____________________________

Charlie

(in reply to AirJake74)
       Post #: 7

And imagine "OEM style" Sanyo NiMH's at only ... - 7/12/2003 1:46:26 AM   
The PIPE



Posts: 703
Joined: 10/5/2002
From: Weymouth, MA, USA
Status: offline 		Dear Fellow RCU'ers:

The PIPE Here again-and at http://www.tnrtechnical.com/nicad_nimh.html I just checked TNR Technical's CURRENT price on Sanyo 1650 mAh capacity "OEM" style NiMH cells (the sort with the "plain pine green" colored plastic labeling)-and they're only $2.00 per cell nowadays???

I've got TWO airborne packs made from these cells for my needs for the present-once some MONEY gets free of "mid year" obligations I may very well get me a dozen of these for future needs...my SuperNovas and I can handle 'em just fine!

Yours Sincerely,

The PIPE!

(in reply to AirJake74)
       Post #: 8

assembling battery packs - 7/13/2003 5:34:25 AM   
tunnelvishon


 

Posts: 214
Joined: 2/23/2003
From: St. Catharines, ON, CANADA
Status: offline 		I suggest you visit [url]www.rcbatteryclinic[/url] and from the discussions menu read about "solderring to cells". Most of the do it yourself sites emphasize the "too much heat/time" problem but its good to know what actually happens if things go wrong. Shorted packs are not much fun either and "cold" joints should be well understood too. Good luck.




"I couldn't fix your brakes...but I did make your horn louder"

(in reply to AirJake74)
       Post #: 9

assembling battery packs - 7/13/2003 7:56:15 AM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		Thanks I will


_____________________________

Charlie

(in reply to AirJake74)
       Post #: 10

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