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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Fromeco 4800 Peerless/arizona Reg - Connectors???
02-08-2006 07:17 PM  12 years agoPost 21
Knud Pedersen

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Denmark - Europe

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Hi

I just took a look on Fromeco´s homepage.

The 2400 mAh is:
W 1"7/16 = 36,5 mm
H 11/16 = 17,5 mm
L 2"9/16 = 65,0 mm

The 4800 mAh is:
W 2"7/8 = 73,0 mm
H 11/16 = 17,5 mm
L 2"9/16 = 65,0 mm

So, the height (that worried my) is the same on the 2400 and the 4800 (Flat pack).
My 3000 NiCD is about 21 mm high - so I guess “height” is no reason for choosing the 2400 over the 4800, due to the space under the canopy.......

How about the 2400/6.5 amp and 4800/13amp – I guess that won’t be a problem either for my setup/combo (4xS9250-GY601-Revlock) ??????

Only different between the 2800 and the 4800 will then be:
1. Weight different (2800/95gram 4800/195gram)

2. Number of flight per. Charge
- I guess I will get +8 flight at temp >+15°C ????

3. Number of flight per charge at low temp (I fly in winter at >0°C)
- Wonder how many flights I will get on the 2800 at >0°C……do you guys think I could fly +4 flights?????
davehour: I'm using a 2400 Peerless pack
How many flights do you get?

ChopperKnud

ChopperKnud
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02-09-2006 01:06 AM  12 years agoPost 22
davehour

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Guayama, Puerto Rico 00785

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How many flights do you get?
I can get 5 flights. I chose the 2400 because of its weight.

David

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02-09-2006 02:01 AM  12 years agoPost 23
Shortman

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Portland, Oregon

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I am currently using a 4800mah Relion pack and could get roughly 16 flights per charge (thats using 300mah per flight, with roughly 9-10 minute flight times). I am going to switch over to the new Peerless 2400 pack to lose 3 ounces of weight and get some more umph in the collective . I will report back to how many flights per charge I am getting. I would estimate (running all 9252s, 611/9256 on raptor 50) that 7 flights should be pretty accurate per charge.


Steven

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02-13-2006 05:48 PM  12 years agoPost 24
Knud Pedersen

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Denmark - Europe

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Is think I will go for the 2400 peerless (And not the 4800) to my Fuey Extreme, 4xS9252/Gy601/Revlock - because I normally don´t fly more then 5-6 flights a day......
But:
1. at winter the 2400 will maybe "last" for 2-3 flights
Is it Okay to charge the Peerless (2400) at outside at <0°C of temp?

2.
Is it Okay to charge the Peerless between each (or every 3th) flight?

ChopperKnud

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02-13-2006 05:51 PM  12 years agoPost 25
z11355

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New England

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the specifications for the Peerless cell (from http://www.molienergy.com)
states that charging should be 0-45C.

I'd charge it when the voltage is low, not just 'because'

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02-13-2006 06:03 PM  12 years agoPost 26
Shortman

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Portland, Oregon

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0-45c in temperature right? Not C charge rate.

You can of course charge it every 3rd flight if you wish just to be safe.

You also won't lose but about 300 Ma from the total capacity of the pack flying in 0 degree C weather, so maybe lose one flight.

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02-13-2006 06:18 PM  12 years agoPost 27
Knud Pedersen

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Denmark - Europe

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Shortman: I will report back to how many flights per charge I am getting
Do have I "report"?

------------------------------------
Do you guys use 2400 or 4800 for you 90 heliship?

ChopperKnud

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02-13-2006 07:46 PM  12 years agoPost 28
ESWLFSE

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Liberty Hill, TX

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4800. They're so small anyway you probably need the 4800 to balance!

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02-13-2006 08:04 PM  12 years agoPost 29
MikeSherman

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Racine, WI

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My fury is noseheavy, so I'm using 2cell 2400's for better CG.

When I do fly in the winter() I wrap a small chemical hand warmer around the pack to keep it's temperature up. Then you should be able to get your full pack capacity. Mileage varies!! Just remember to use that load checker.

-mike

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02-13-2006 09:17 PM  12 years agoPost 30
Shortman

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Portland, Oregon

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Haha Knud, no my pack is coming this week sometime. I flew my 4800 pack through 14 flights without recharging and still have plenty left for a couple more flights .

I am going to easily be able to pull 6 flights on my raptor 50 with all digitals/611 on the 2400. I am pulling roughly 250mah per flight on my Raptor. So figure you want a little reserve on the pack 6 flights should be easily made before recharging.

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02-14-2006 03:46 AM  12 years agoPost 31
Ace Dude

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USA

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I thought the Peerless cells are LG Chem?

Anyway, I absolutely hate the Deans connectors. Nothing but genuine PowerPole connectors for me. Get the proper crimping tool and they come out perfect everytime. No shrinkwrap required either. I use the 14awg with and crimped on my own PowerPoles. No problem getting the APP connectors apart for charging either. I charge directly to the battery with going through the charge lead on the Arizona regulator.

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02-14-2006 03:56 AM  12 years agoPost 32
z11355

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New England

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no, the ReLion cells are LG.

the Peerless are Molie's

I use the Powerpoles and the WestMountain crimper. So
simple even I can do it!

good, cheap quantity PP's....... http://www.powerwerx.com

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02-14-2006 05:07 AM  12 years agoPost 33
Ace Dude

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USA

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I've been ordering my APPs from Powerwerx for a while. Good prices.

Any idea where to buy individual Molie cells? I just tried Google and didn't find much. I'll e-mail Molie. I use Fromeco packs, but wanted to make my own 4 cell pack for my fuel pump.

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02-14-2006 05:50 AM  12 years agoPost 34
Shortman

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Portland, Oregon

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That would be one fast fuel pump . I like the Deans myself even though some hate it. I don't know how you could get the single cells, as the new shipping requirements for batteries is to have some safe charge circuitry built in (for packs), not sure on single cells but maybe Kurt at Fromeco would be willing to sell you some single cells?

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02-14-2006 01:42 PM  12 years agoPost 35
Ace Dude

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USA

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I found a place where I can buy individual LG Chem cells. It's a 12V pump going to 4 cells shouldn't be too big a deal. I could always do 3 cells, but I figure that might slow down the pump to much. Of course, I could perhaps use 4 cells and regulate it down to 12V. It probably doesn't draw more than a few amps.

Do the shipping requirements apply to individual cells that are not part of a pack?

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02-14-2006 02:00 PM  12 years agoPost 36
Knud Pedersen

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Denmark - Europe

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Hi

Now I have decided what battery to buy – the 2400 or the 4800:
I have ordered bought
Then I can try to see how they will perform at <0°C…
And may fly the 4800 when it is cold outside.....

What the heck: it is my Hobby, and therefore money is not and issue :coolat least not, until you ask the wife:eek


ChopperKnud

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02-14-2006 02:18 PM  12 years agoPost 37
z11355

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New England

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It's a 12V pump going to 4 cells shouldn't be too big a deal. I could always do 3 cells, but I figure that might slow down the pump to much
probably not but 4cells might burn up the pump or blow the
tubing off the fittings.

if it were me, I'd go 3

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02-14-2006 04:39 PM  12 years agoPost 38
Shortman

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Portland, Oregon

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Knud that is the spirit haha!

Team JR
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Boca Bearings

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02-14-2006 10:47 PM  12 years agoPost 39
Ace Dude

rrProfessor

USA

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probably not but 4cells might burn up the pump or blow the
tubing off the fittings.

if it were me, I'd go 3
I'm using the Slimline SL200 with the battery base which has a holder for 10 AA size batteries. I've been running 10 AA Alkalines all along which should be about 15V w/o any problems, but I don't want to push it too far over 12V. But a 3 cell pack would still have a nominal voltage of over 11V. Probably not worth the hassle to build a 12V regulator for 1 additional volt although the LM1084/LM1085 look promising. Could also squeeze out a little more juice with an adjustable regulator. Of course, it's even easier to just stick with the Alkalines....

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02-15-2006 11:14 AM  12 years agoPost 40
Knud Pedersen

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Denmark - Europe

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Hi Ace dude
I´m running 14 x Nicd for my Slimline pump...

ChopperKnud
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ThePitchbrothers

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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Fromeco 4800 Peerless/arizona Reg - Connectors???
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