HOW

JOddino JOddino at socal.rr.com
Fri Jan 23 17:36:44 AKST 2004


RE: HOWEric,
Send me a Central Hobbies Li-Ion charger and I'll set it up for 12.6 volts.  
Jim
  ----- Original Message ----- 
  From: Henderson,Eric 
  To: discussion at nsrca.org 
  Sent: Friday, January 23, 2004 7:42 AM
  Subject: RE: HOW


  With Nicads you can leave them on trickle  @ 10-15 mA depending upon capacity. Done this for years - Load-test before flying.( I don't use Nicads any more.)

  With NiMH's I have been doing the "trickle" with some. With other packs I have been medium charging while going to the field. Nearly three years of this has shown no difference. When I say medium charging I am using the new Hobbico Quick Field Charger Mark-II. It lets you set the charge rate on its two output channels. I use 200-300 mA on my 30 minute drive and it fully charges both the TX and the RX packs before I get there, without heating up the packs. The 1830 mAh NiMH packs that I use  in TX's and RX's, have no memory problems and hold their charge pretty well. (They are lighter than my Nicad packs)

  With my Li-ions I have found that they hold their charge for a long time and they won't take a boost until I have flown a flight (I am talking three month periods here).

  I recently tested some Li-ion TX packs. Held most of its charge for a year when unused - dropped 0.8v  Began at 14.1v. I could fly three pattern days with one TX charge. Put one in a JR PCM 856 car radio and  ran 4 cars, basically all day. Looking for a suitable field charger. Uses two packs of three Li-ions in parallel and is nice and light. The RX packs are lighter than the 4 -cell Nicad or  NiMH packs. About 3,4 oz if I recall.

  Regards, 

  Eric. 

  My source BTW is bfurgang at ez2.net 




  -----Original Message----- 
  From: discussion-request at nsrca.org 
  [mailto:discussion-request at nsrca.org]On Behalf Of Brian Young 
  Sent: Friday, January 23, 2004 9:53 AM 
  To: discussion at nsrca.org 
  Subject: Re: HOW 



  I do this too. 
  --- Tony Stillman <tony at radiosouthrc.com> wrote: 
  > Dwayne: 
  > 
  > I recommend fast-charging on the way to the field. 
  > 
  > Tony Stillman 
  > Radio South 
  > 3702 N. Pace Blvd. 
  > Pensacola, FL 32505 
  > 1-800-962-7802 
  > www.radiosouthrc.com 
  >   ----- Original Message ----- 
  >   From: Dwayne & Nancy Brown 
  >   To: Pattern List 
  >   Sent: Thursday, January 22, 2004 5:03 PM 
  >   Subject: HOW 
  > 
  > 
  >   What is the recommended procedure to keep your 
  > batteries ready for use at a moments notice? 
  > Trickle charging or fast charging on the way to the 
  > field? 
  > 
  >   Dwayne 



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