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› orbit prolader pro 6.3 help
10-19-2004 03:43 AM  13 years agoPost 1
DANNO

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St. Petersburg,​Florida

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ok i just got this charger...and my question is whats the difference betwenn the different delta peak modes?


thanks danno

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10-19-2004 03:55 AM  13 years agoPost 2
Slowpoke

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Dublin, OH

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orbit prolader pro 6.3 help

Danno,

There are 4 delta peak modes, two for NiMh and two for Nicad. The difference is the charge rate, the little graphic on the left side of the display shows which mode you're in.

I always charge new packs on the lesser setting for the first few cycles to break the packs in.

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10-19-2004 04:00 AM  13 years agoPost 3
DANNO

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St. Petersburg,​Florida

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ok....so the nimh+ rate isnt for a different type of nimh...just faster?
thanks

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10-19-2004 04:01 AM  13 years agoPost 4
DANNO

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St. Petersburg,​Florida

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also, can you charge 2 packs at once with this charger?

thanks

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10-19-2004 04:38 AM  13 years agoPost 5
Slowpoke

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Dublin, OH

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orbit prolader pro 6.3 help

Right, just faster. Some people say that the lower rate gives you a slightly fuller charge, but I couldn't say for sure.

As for charging two packs at once, yes it will. My logo 20 used two 12 cell packs in series, and I charged them at the same time. The Orbit correctly saw them as a 24 cell pack.

I charged my Tanic Packs two at a time, only in parallel though. Lipos you only charge in parallel, never in series. Just make a "y" connector with the plugs of your choice. The Orbit charged them at 8 amps, pretty quick!!

It's a great charger, good luck with it.

Doug Roberts
Dublin, Ohio

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10-19-2004 01:42 PM  13 years agoPost 6
DANNO

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St. Petersburg,​Florida

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thanks for the info!

ok so one more question. can you charge nimh in parallel to charge 2 32 cell packs at the same time?

dan

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10-20-2004 12:12 AM  13 years agoPost 7
Slowpoke

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Dublin, OH

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orbit prolader pro 6.3 help

Danno,

No problem charging two NiMh packs at the same time in parallel as long as they are the same type and number of cells.

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10-20-2004 12:08 PM  13 years agoPost 8
DANNO

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St. Petersburg,​Florida

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another orbit question

ok i think something might be wrong with my charger...or im not using it right....

i was using it in "format" mode....selected the # of cells to 8 for an 8 cell 3300 nimh pack and no of cycles to 1. it started by discharging the pack then charging....

after a few hours it was still charging...the amps were down to about .5 the pack was slowly nearing 3300 mah....

so i left it on all night...woke up and the pack was quite warm and still chrarging with over 6000 mah put in the pack! it seems to me the pack is being overcharged.....is this what its supposed to do?

thanks again!
dan

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10-20-2004 01:01 PM  13 years agoPost 9
Slowpoke

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Dublin, OH

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orbit prolader pro 6.3 help

Dan,

Were you only charging one 8 cell pack?

Formatting does take a long time, but putting 6000 into a 3300 pack dosn't seem right. If you had two of them hooked up in parallel then, yes, you'd have a 6600mah pack, so 6000-7000 would be ok.

The packs will get WARM, but they shouldn't be HOT. You should be able to pick them up and hold them in your hand. If the shrink wrap starts to get disformed, then that's a sign of being too hot.

Doug

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10-20-2004 01:18 PM  13 years agoPost 10
DANNO

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St. Petersburg,​Florida

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orbit

doug,
i was only charging one 8 cell pack.

the amps dropped to about .35

it was warm....not hot enough to hold or anything...

but was saying that over 6000 mah went in

thanks!

dan

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10-21-2004 12:10 AM  13 years agoPost 11
Slowpoke

rrKey Veteran

Dublin, OH

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orbit prolader pro 6.3 help

Dan,

I'm not sure on this one. The most I've seen go into a 3300 pack is around 3400. It sounds like you are doing everything right, and it doesn't sound like the pack is overheating. Do both of your packs take this much capacity?? Hopefully some of the more charging-savvy users will respond to your post.

Doug Roberts

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10-21-2004 03:10 AM  13 years agoPost 12
DANNO

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St. Petersburg,​Florida

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well, thanks for the info.....i emailed fxaeromodels where i bought it and they said try a differnent pack. i did and it got up to 3400 and i manually shut it down...i dont want to fry my packs...maybe something in the manual override settings is off...

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10-21-2004 03:27 AM  13 years agoPost 13
Greg McFadden

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Richland, WA

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you should check your leads. what gauge are they and how do they plug into the orbit. If you have very thin gauge wires or long lengths the orbit will have trouble telling when the pack is peaking. The delta peak settings set the millivolts per cell that the charger considers to be peaked. the 6.0 charger had 3,7.5,15mV/cell. the later versions somewhere added a 4th level, not sure what the level actually is.

If your nicad/nimh batteries are not broken in, they may not delta peak right (personal experience here, don't seem to have this problem with lipoly) and will either false peak or not peak at all (also happens if your leads have too much resistance or a bad contact in your leads)

can you post a picture of the leads you are using?

The silence often, of pure innocence persuades, when speaking fails

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10-21-2004 11:22 AM  13 years agoPost 14
rscamp

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Ontario, Canada

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A few comments:

- First charge should be a slow (overnight) charge. You can just charge at C/10 or use the format function in the orbit, setting the current to about C/10.

- You should not charge NiCds or NiMHs in parallel because they use delta-voltage charge termination. If they are not identical in every way, one pack will be seriously overcharged.

- It is not unusual to get much higher than the rated capacity going into a pack, particularly at low charge rates. Two reasons for this. One, a delta-peak charger terminates late (i.e. after 100% SOC) Second, at low currents the peak is harder to detect and may not be detected at all. The energy from the charger is wasted as heat by the pack - it does not go into the batteries. If the current is low enough, this usually does negligible harm.

- The settings on the Orbit also change the delta-voltage for peak detection as indicated earlier. The peak is much harder to detect in NiMH cells, hence lower delta-peak settings are normally used.

- Good high-current NiMH cells act more like NiCds and can be charged at high rates on the first NiCd setting. The HR2600s are very good this way. The 3300s aren't quite as good (higher internal impedance).

- Higher capacity cells are attractive on paper, but all else being equal have higher internal impedance, have lower discharge voltage, run hotter, have more trouble maintaining their capacity as they age, have shorter overall life and weigh a bit more.

Rob

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10-21-2004 06:39 PM  13 years agoPost 15
newbe-wantabe

rrNovice

massachusetts

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check out this link over on RCGroups. It has a lot of helpful info

http://www.rcgroups.com/forums/show...highlight=orbit

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