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10-17-2005 02:26 AM  13 years agoPost 1
nap_tan

rrApprentice

Santa Clara CA, USA

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Hello Everyone,

I have not flown for almost two years because of hectic work schedule. Things have become more stable now and would like to go flying again. The RX batteries (Ni-Cds) are in not so good condition. I think I might have to replace all of them. I am leaning more on Ni-MHs. I heard alot of positive comments using duralites but I think the price is too steep for me. I would also like to keep my airborne wiring simple. Any suggestions where to buy Ni-MH? Also I have read some that are compatible with Ni-Cd chargers. Does this mean that different manufacturers offer different "breeds" of Ni-MH? I would appreciate any constructive input. Thanks for your time.

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10-17-2005 03:17 AM  13 years agoPost 2
BC Don

rrElite Veteran

Calgary, AB Canada

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Stay with the NiCds. Cheap, work well. I've heard of potential problems with NiMh just can't recall wha those issues were.

Got Money? Send it to me, I'm a Heli Addict.

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10-17-2005 03:24 AM  13 years agoPost 3
steve9534

rrKey Veteran

yakima, wa.

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NiMH
I've been using the NiMH packs that Tower sells for the last 6-7 years and charging them with a standard charger that comes with the Futaba radios. I've not had a problem yet. The NiMH batteries don't generally have the same ability to deliver equivalent amperage under load that the Nicads do, but in back to back testing with a GY601 gyro and 4 digital servos on several different 90 size helis, I couldn't tell the difference in the air. I did have a problem with some Brand "X" packs that I bought from another source - the voltage would drop enough that the Rx would go into fail safe. So far, the 2000Mah Hydrimax packs have worked just fine. Hope this helps. steve.

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10-17-2005 04:30 AM  13 years agoPost 4
nap_tan

rrApprentice

Santa Clara CA, USA

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Good info. Thanks for the heads-up!

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10-17-2005 01:53 PM  13 years agoPost 5
bagobitz

rrVeteran

saddleworth,lancs,UK

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I think that the voltage of Nicad's drops gradually,thus giving warning that they're flattening, whereas Nicads drop abruptly when they're "empty" IMHO nicad is safer and cheaper and easier to charge(yes, there IS a different charging regime for a proper service-life) google rechargeable battery/cell, etc.

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