Who has measured their current draw per flight?  
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> Who has measured their current draw per flight?
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Who has measured their current draw per flight? - 6/13/2002 4:32:09 PM   
woodscra


 

Posts: 895
Joined: 12/10/2001
From: frisco, TX, USA
Status: offline 		I know that voltage is not an accurate reading os remaining battery power, so I am looking for data giving me an idea of what the normal current draw on a NiMH battery would be for one 15 min. flight using 9 digitals?
Anyone have this info?
Is the current draw different for Nicd as opposed to NiMH?

Also, on a 2700 mAh battery, just how low can the battery be drained before charging is necessary, current wise?

Thanks
       Post #: 1

current draw - 6/13/2002 4:40:10 PM   
extra330


 

Posts: 52
Joined: 4/29/2002
From: blackpool, UNITED KINGDOM
Status: offline 		i am using 13 digitals
1 analouge servos

2x rx`s
2x opto isolators

2 x 3000mah nimh for the servos
2 x 1800mah nimh for the rx`s

current draw for one 8 min flight is

450 mah from each of the 3000`s
75 mah from each of the 1800`s

this is with hitech servos, all matched using the servo programmer

before programming was 650 mah per 3000 battery
hope this helps.

ps i carge after two flight to be on the safe side and condition the batteries around 3 month intervals

(in reply to woodscra)
       Post #: 2

Who has measured their current draw per flight? - 6/13/2002 5:52:08 PM   
woodscra


 

Posts: 895
Joined: 12/10/2001
From: frisco, TX, USA
Status: offline 		Thanks for the input. I hope some people with 1 RX and 1 Battery respond so I can find something closer to my current setup.
I will do another test to verify if my first was accurate.

(in reply to woodscra)
       Post #: 3

Who has measured their current draw per flight? - 6/13/2002 6:56:11 PM   
sanjoh



Posts: 70
Joined: 1/24/2002
From: Sunrise, FL
Status: offline 		I use my digital volt meter to measure actual current required for the radio system. I also try and load or stall a couple of surfaces for worst case.

I have a 35% giles with 5 high torque servos and 1 standard, all non-digital and it pulls ~1.2a working all servos, ~3a with 2 stalled surfaces.

A friends 40% edge uses 9 digitals and current was measured in the 3a range for each receiver.

(in reply to woodscra)
       Post #: 4

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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> Who has measured their current draw per flight?
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