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Old Jul 18, 2016, 01:53 PM
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3S 1300mAh Motor Battery Recommendations

Powering a 3.7m F5J with a Powerline Micro 1025 motor and a CC Edge Lite 50 ESC, and looking for motor battery (3S 1300mAh) recommendations from experience. Putting aside battery size/fuse-fit for this thread.

This battery seems to be popular:
Thunder Power 1300mAh 3-Cell/3S 11.1V Magna Series 70C

Does anyone have f/b about these:
- Tattu 1300mAh 3S 75C
- RMRC Orange Series - 1300mAh 3S 60C

The RMRC Orange Series appear appealing, but haven't seen any f/b about them.

Any other 3S 1300mAh F5J motor batteries to consider?
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Old Jul 18, 2016, 02:12 PM
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I've just ordered Bolt batteries myself. Tried one this weekend and seems like a very good battery
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Old Jul 18, 2016, 04:26 PM
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There are so many good 1300 batteries now.

Actually the best bang for the buck are either Turnigy Bolts or Revolectrix.

Tattu, Pulse, RMRC, Bonka, SMC are all also very popular.

Graphenes are great but there is a weight penalty.
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Old Jul 18, 2016, 05:54 PM
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I've got a Thunder Power 1300mah that's 55C

hard to beat that
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Old Jul 18, 2016, 06:19 PM
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I run Turnigy A-Spec 1300mah 60C battery's with my powerline 1025 spinning a GM 16x8 prop, works very very well.

Here's the link $14.99

http://www.hobbyking.com/hobbyking/s...arehouse_.html
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Old Jul 18, 2016, 10:10 PM
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Hobbyking Multistar 3s 1300 40-80C delivers over 500W peak but more importantly over 400W on the 4th climb. About 113g IIRC. Cheap and highly effective in a 50+ oz Pulsar3.6
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Old Jul 19, 2016, 12:15 AM
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"Powering a 3.7m F5J with a Powerline Micro 1025 motor and a CC Edge Lite 50 ESC, and looking for motor battery (3S 1300mAh) recommendations from experience. Putting aside battery size/fuse-fit for this thread."

Note that Powerline 1025 is not meant to be run on batteries bigger than 1300 mAh.

If you run a Bolt then the available power will be greater (higher start voltage 4.3/cell, and less sag).

Do those posting have experience with the 1300mAh HV cells on this setup?
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Old Jul 19, 2016, 01:12 AM
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I believe the postings were ment to bring information on high performance batteries.

When choosing a battery, it ia always important to see what current you are getting from your setup, regardless of the setup. Higher capacity batteries or high voltage batteries and even "normal" batteries with low resistance can give a lower voltage drop and therefore the motor will pull more current and give more power than with a mediocre battery.
It is important to re size the prop if needed so you don't excide the max current of the motor.

A bigger battery than 1300mah would mean lower resistance and therefore higher current so you may need a smaller prop. Same for a high voltage battery or a really good qualitynormal voltage battery.

I was flying with a "regular" battery and changed to high voltage batteries and without going over the recomended ratings of my motor was pulling 25% more power on the first climb and 15% more power on the third climb compared to the first climb with the regular battery. Also was very apparent that the loss of performance between climbs was lower which makes it a very good setup for me.
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Old Jul 19, 2016, 02:43 AM
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Frankly I see powertrain as no issue in F5J. Any good quality motor will do, provided right size components are used. We use 1025 & SLS 3s 800mah batteries system which can take a 1600g F3J lamination X3 to well over 350m in 30 sec. There is plenty of power reserve for ballast, wind, sink... If needed it is no problem flying 2-3 competition flights without a charge.

Powerline 1025 statement of not using over 1300mah battery is more like an advice to what kind of batteries one should use in F5J.
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Old Jul 19, 2016, 03:32 AM
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OK already, was only asking because I wanted to know if anyone had actually used HV batteries on a 1025 with a 16x8 prop.

I've been happily flying a Maxa 4 using a 1025 with 16x8prop using standard 1000mAh 65C batteries (gets me to wherever I need in 30 secs - either a long way out or >>200m, and sometimes both) and would like to know if using HV batteries will damage the 1025. They seem to work well on my other motor GB combinations.



Hutton
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Old Jul 19, 2016, 04:15 AM
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Voltage in itself is not going to be an issue. It's the power increase with the cube of voltage that you need to watch out for, whether that is a larger and lower internal resistance battery, or a good HV battery also with low IR.
Haven't used a Powerline ($$), but I'd have thought that specifying max current, power and the time at that rating would be a better option than saying don't go over 1300 mAh
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Old Jul 19, 2016, 07:43 AM
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Wow!! This discussion got COMPLEX fast right??!!
So,,,,,,,, make sure battery is size and weight that fits and places CG right, check to see if C rating falls within range of expected amp draw , be sure battery is recognized as being good quality, check battery with intended motor , prop, and ESC with a wattmeter, make sure amp draw is 10% or more below continuous rating of esc, check to see that Watts per pound of plane is within 100-150 range .
Then your done! Easy peasy right????!!!
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Old Jul 20, 2016, 04:00 AM
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[QUOTE=VHO;35287476]"Powering a 3.7m F5J with a Powerline Micro 1025

Note that Powerline 1025 is not meant to be run on batteries bigger than 1300 mAh.

/QUOTE]

My understanding is, that the capacity of the battery does not really matter for as long as the motor temperature stays within the permitted range.

Like to know the max. permitted motor temperature? Has anybody fitted a temp probe to the motor housing?

Regards,
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Old Jul 20, 2016, 04:31 AM
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[QUOTE=Jaguar 20040;35296568]
Quote:
Originally Posted by VHO View Post
My understanding is, that the capacity of the battery does not really matter for as long as the motor temperature stays within the permitted range.

Like to know the max. permitted motor temperature? Has anybody fitted a temp probe to the motor housing?

Regards,
Battery capacity is not relevant in F5J since logger anyway cuts motor after 30 sec.

Generally, I cannot see any reason why anyone would want use larger than 1300mah battery in F5J. To get CG right???
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Old Jul 20, 2016, 06:40 AM
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... for training purpose you might like a larger battery.

Regards,
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