Fwd: Airborne batteries

[Bob Kane]

I use Sanyo NiMH cells in both my flight packs and TX.
I have a fast charger suitable for NiMH and have been
using them for 3 years in my El Nino. They don't have
as much capacity per unit of weight as LiPo cells but
they are direct substitutes for AA NiCad celss and you
don't need a regulator. Mine have a capacity of
1650mAH and I have never used more than roughly 1/3 of
their capacity during normal use. 

--- Bob Richards <bob at toprudder.com> wrote:

> Date: Thu, 6 Oct 2005 05:40:42 -0700 (PDT)
> From: Bob Richards <bob at toprudder.com>
> Subject: Airborne batteries
> To: discussion at nsrca.org
> 
> Guys,
>  
> I'm needing to replace several nicad airborne packs
> for my radios (as well as a couple of transmitter
> packs). I'm wondering what has changed in the
> technology in the past 8 years. 
>  
> NiMh packs had just hit the market about 10 years
> ago, and as I recall it seemed that they did not
> stand up well to vibration - several inflight
> failures being reported. Seemed they were ok for
> transmitters. Has that changed?
>  
> I know Li-ion and Li-poly are now available, but
> what type of charging apparatus am I looking at
> investing in? I also think I need to use a regulator
> with these?
>  
> I don't presently have a fast field charger and
> would like to have one, is there one that covers all
> the above bases?
>  
> Thanks in advance,
>  
> Bob Richards.
> 


Bob Kane
getterflash at yahoo.com


		
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