RE: Attn: Hobbico Elite Owners

RE: Attn: Hobbico Elite Owners
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> RE: Attn: Hobbico Elite Owners

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RE: Attn: Hobbico Elite Owners - 9/24/2004 12:00:11 AM

Geistware

Posts: 12946
Joined: 4/9/2002
From: Locust Grove, GA, USA
Status: offline

Have you purchased a unit?
I finally got my replacement after frying it.
What I found out is that the original one still worked.
It is a very robust charger.

quote:

ORIGINAL: K_White

Thanks guys, this thread has been very helpful.....Keep it up!!!!!

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Post #: 176

RE: Attn: Hobbico Elite Owners - 9/25/2004 4:23:16 AM

K_White

Posts: 21
Joined: 3/26/2004
From: Liberty, MO, USA
Status: offline

Yeah, I bought the Elite this week and love it!

(in reply to Geistware)

Post #: 177

RE: Attn: Hobbico Elite Owners - 9/25/2004 9:35:01 PM

JoeAirPort

Posts: 7152
Joined: 8/11/2003
From: Milwaukee, WI, USA
Status: offline

I've been using this charger for a while now with no problems at all. It's exactly what I needed. Now I get to use it to charge Lipoly's on my Shockflyer 330S.

(in reply to K_White)

Post #: 178

RE: Attn: Hobbico Elite Owners - 9/26/2004 8:48:57 PM

Geistware

Posts: 12946
Joined: 4/9/2002
From: Locust Grove, GA, USA
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I am planning on getting a Shockflyer or a Raptor. Let me know how it works with Lipos!

quote:

ORIGINAL: JoeAirPort

I've been using this charger for a while now with no problems at all. It's exactly what I needed. Now I get to use it to charge Lipoly's on my Shockflyer 330S.

_____________________________

Aircraft Proving Grounds
http://www.rcaircraft.net/
Information on the building and flying of Radio Control Aircraft.
Site for hobbyist in the R.C. Aircraft modeling world.

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Post #: 179

RE: Attn: Hobbico Elite Owners - 9/27/2004 3:59:48 AM

Dan767

Posts: 483
Joined: 4/15/2003
From: Federal Way, WA, USA
Status: offline

Geistware,

I've used my Elite on my Li-Po's for my Shock Flyer. Previously, I used my Apache (www.anyrc.com) to charge them. The Apache charged my Kokam 700ma 2cell in 35-40 minutes. First attempt using the Elite took 2hrs at the default setting. I didn't get quite the run time with the first charge either. Try charging as close to the max charge rate for the cell(s) you use, for a quicker charge and possibly longer run times.

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Dan
www.ctf.org www.caringbridge.org/visit/ashleyv Isaiah 40:31

(in reply to Geistware)

Post #: 180

RE: Attn: Hobbico Elite Owners - 9/27/2004 11:16:47 AM

Geistware

Posts: 12946
Joined: 4/9/2002
From: Locust Grove, GA, USA
Status: offline

Dan767
DO you know why it took longer?
Could you try it a couple of more times to see if you can figure out why?
THe first charge may be with a dead pack and the later chargers may be with a pack that has some juice in it.

_____________________________

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http://www.rcaircraft.net/
Information on the building and flying of Radio Control Aircraft.
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Post #: 181

RE: Attn: Hobbico Elite Owners - 9/27/2004 11:38:38 AM

coomarlin

Posts: 1001
Joined: 10/2/2002
From: Morgantown, WV, USA
Status: offline

With a charge rate of 1C my Elite charges my 850mah 3s Lipo's in 1 hour 12 minutes. Almost like clockwork. Those are fully drained batteries down to 3.0V/cell.

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Post #: 182

RE: Attn: Hobbico Elite Owners - 9/27/2004 4:03:55 PM

Geistware

Posts: 12946
Joined: 4/9/2002
From: Locust Grove, GA, USA
Status: offline

Thanks coomarlin
SO when you fly on electric, you always have a pack on charge to get more flight itme or what?

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Post #: 183

RE: Attn: Hobbico Elite Owners - 9/27/2004 8:15:17 PM

Dan767

Posts: 483
Joined: 4/15/2003
From: Federal Way, WA, USA
Status: offline

Geistware,

Charged the pack today. Took 71:54minutes and 377ma. at the 1C rate. It had been sitting in a discharged state for two weeks. Quick review: AXI 2208/34 on my Shockflyer. Kokam 700mah battery, Phoenix 10 controller. I have an extra Phoenix 10 controller if your interested that I have never used.

_____________________________

Dan
www.ctf.org www.caringbridge.org/visit/ashleyv Isaiah 40:31

(in reply to Geistware)

Post #: 184

RE: Attn: Hobbico Elite Owners - 9/27/2004 11:08:54 PM

Geistware

Posts: 12946
Joined: 4/9/2002
From: Locust Grove, GA, USA
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Did a quick check and found that at 300ma and 1.1 volt cut off, my 2700maH NiMH pack has a consistant 2550maH capacity. At 1 amp, the pack can deliver it for only 1600maH of charge.

I then tried my 1650maH pack and at 300ma and 1.1 volt cut off it shows 1500maH but at a 1 amp load, it only has 915maH of capacity. I may plan to try this with NiCads and see what happens. This is with 5 cycles and I got consistant readings from the 2nd through the 5th cycle. The first cycle always showed a higher capacity.

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http://www.rcaircraft.net/
Information on the building and flying of Radio Control Aircraft.
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Post #: 185

RE: Attn: Hobbico Elite Owners - 9/28/2004 2:48:19 PM

coomarlin

Posts: 1001
Joined: 10/2/2002
From: Morgantown, WV, USA
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quote:

ORIGINAL: Dan767

Geistware,

Charged the pack today. Took 71:54minutes and 377ma. at the 1C rate. .

That pretty much jives exactly with what I stated in my above post. 1 hour 12 minutes.

Geist, I have 2 battery packs and can get about 15-20 minutes of flight per pack. I normally always rest my neck for 15-30 minutes after each flight so I always have a fresh pack available when I need it. It would be a waste fo rme to buy a 3rd pack right now because the others charge fast enough that I don't need one.

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Post #: 186

RE: Attn: Hobbico Elite Owners - 9/29/2004 3:26:53 AM

David_Moen

Posts: 1405
Joined: 10/5/2002
From: Salmon ArmBritish Columbia, CANADA
Status: offline

I'm seeing the same sort of thing with my Elite. I have a 1700 ma 4 cell NiCD pack on my RX, if I cycle it with my Elite, it consistantly indicates a capacity of 1430 to 1440 ma. I'm charging using all the settings that the charger figures out. I've tried reducing the charge rate by 50% so that it takes longer to charge, I've heard that this will allow the battery to store more engergy.

I was thinking of sending my packs back to my supplier thinking that they were bad.

Oddly, when I charge the 8 cell 1800 ma pack my son has for his truck, it charges to about 2100 ma.

What can I change to get more juice into my batteries?

I also figgered out that the unit does not trickle charge after a cycle, only after a peak charge.

_____________________________

David Moen
www.mvvs-canada.com

(in reply to coomarlin)

Post #: 187

RE: Attn: Hobbico Elite Owners - 10/2/2004 1:25:11 AM

Geistware

Posts: 12946
Joined: 4/9/2002
From: Locust Grove, GA, USA
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David, what I am seeing is that I am testing the pack at my plane's equivelent load. When you test a pack, you should discharge it to 1.0 or 0.9 volts per cell at a rate of 300ma. This is comparable to how the manufacturer tested the cells. This will show a higher capacity.

After cycling my packs 5 times I see that I should get 1400mah out of a 2700maH NiMH pack with a 1 amp load. This should be equal to 1.5 hours of flying time. Today, I put 9 10 minute flights on my plane. That is 1.5 hours and my 5 cell pack read 6.15 volts. For me the charger provides a real world measure of my packs capability. I just wish it would charge two packs with a common ground.

quote:

ORIGINAL: David_Moen
I'm seeing the same sort of thing with my Elite. I have a 1700 ma 4 cell NiCD pack on my RX, if I cycle it with my Elite, it consistantly indicates a capacity of 1430 to 1440 ma. I'm charging using all the settings that the charger figures out. I've tried reducing the charge rate by 50% so that it takes longer to charge, I've heard that this will allow the battery to store more engergy.

I was thinking of sending my packs back to my supplier thinking that they were bad.

Oddly, when I charge the 8 cell 1800 ma pack my son has for his truck, it charges to about 2100 ma.

What can I change to get more juice into my batteries?

I also figgered out that the unit does not trickle charge after a cycle, only after a peak charge.

_____________________________

Aircraft Proving Grounds
http://www.rcaircraft.net/
Information on the building and flying of Radio Control Aircraft.
Site for hobbyist in the R.C. Aircraft modeling world.

(in reply to David_Moen)

Post #: 188

RE: Attn: Hobbico Elite Owners - 10/2/2004 1:33:51 AM

BasinBum

Posts: 5717
Joined: 7/24/2002
From: Hawthorne, CA, USA
Status: offline

quote:

ORIGINAL: Geistware

snip......After cycling my packs 5 times I see that I should get 1400mah out of a 2700maH NiMH pack with a 1 amp load. ....snip

I'm confused. Shouldn't you get 2700 out of a 2700 pack regardless of what the discharge rate is?

Has anyone tested the stated discharge rate against a meter as well as the cutoff voltage to see how well calibrated these are?

(in reply to Geistware)