CMP Katana S 140 Battery Help
09-18-2008 | 04:22 AM
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From: Oxford, AL
CMP Katana S 140 Battery Help
I have a CMP Katana-S140 . I need some advice on a battery for the servos and reciever. I will be using 5 Hitec HS-5645 Digital servos and a Futaba 6EX 2.4 transmitter. What battery should I use ? 4.8 or 6.0? Nicd or Nimh? How many milliamps? Thanks for you advice in advance.
09-18-2008 | 11:00 AM
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From: Poolesville, MD
RE: CMP Katana S 140 Battery Help
The larger the capacity of the battery the better, within reason.
On planes of 1.20 and up to 1.80 I install packs of at LEAST 2000mAh.
On my Giant U-Can-Do, I've installed a 4200mAh pack.
On planes of 1.20 and up to 1.80 I install packs of at LEAST 2000mAh.
On my Giant U-Can-Do, I've installed a 4200mAh pack.
09-18-2008 | 09:09 PM
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From: surrey,
BC, CANADA
RE: CMP Katana S 140 Battery Help
Thats overkill (4200 on a 140 size) and not necessary at all.
I would run a good nicad of 1600-2500 mah.That should be good for 50 plus minutes easily.I would fly 3 flights and then recharge and note the amount topped up.Many guys use about 200 mah per 10 min. flight
I have many of that size plane and a 4.8 is ok
If you need your servos to work faster and need the extra power because you are a doing lots of wild manouvers,then go with a 5 cell 6 volt.
I would run a good nicad of 1600-2500 mah.That should be good for 50 plus minutes easily.I would fly 3 flights and then recharge and note the amount topped up.Many guys use about 200 mah per 10 min. flight
I have many of that size plane and a 4.8 is ok
If you need your servos to work faster and need the extra power because you are a doing lots of wild manouvers,then go with a 5 cell 6 volt.
