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sonnier00
Hopping Maniac
Joined: 24 Sep 2011
Posts: 47
Location: La Porte Texas
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 Posted: Fri Sep 30, 2011 7:25 am
Post subject: CX3 battery upgrade |
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Has any one used the Lightning Power 7.4V 1050mAh 30C 2S1P Lipo in a CX and had success with them?
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Nathan Sonnier
A good flying day is to at least have something to bring home and fix.
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nick_onelove
Extreme 3D
Joined: 01 May 2011
Posts: 827
Location: Mendocino County, CA, United States 21 years old
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Posted: Fri Sep 30, 2011 12:28 pm
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Tell us the weight differences again too; it was something like a 25% increase, right?
That way even if no one actually has this specific battery, people can still make guesses as to whether or not it will be worth it.
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Align: Trex 250 3GX + Trex 450 Pro with Vbar
Blade: 450 X, mCP X, 120 SR, mSR X, CX3, mCX2
Esky: Belt-CP X and V2 - Futaba: Heli-Max Axe 400
Walkera: V500D01, M120D01, V100D08, DEVO 8
Spektrum: DX8 - AMA #967873 - IRCHA #4095 |
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sonnier00
Hopping Maniac
Joined: 24 Sep 2011
Posts: 47
Location: La Porte Texas
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Posted: Fri Sep 30, 2011 11:15 pm
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Yes, the weight of the stock is 1.5 oz and 1059 mah is 2.3 oz just looking at it I think 25 - 30 %. With the increase in motor power xtreme pro 180s and V2 blades I would think it would greatly over come that deference? But thats my question to you more experiences fliers.
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Nathan Sonnier
A good flying day is to at least have something to bring home and fix.
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tombo242
Extreme 3D
Joined: 04 Nov 2008
Posts: 3625
Location: Santo Estêvão, East Algarve, Portugal. 76, but still feels 18.
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Posted: Sat Oct 01, 2011 12:06 am
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As I see it you have a 153% increase in weight and a 132% increase in available power. I could be wrong but I think that that will shorten your flight time. Might work if the figures were the other way around, or maybe some Clark-Y section, highlift blades. (You'll probably have to make them yourself though - I don't know of a supplier!  )
Tom.
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sonnier00
Hopping Maniac
Joined: 24 Sep 2011
Posts: 47
Location: La Porte Texas
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Posted: Sat Oct 01, 2011 1:05 am
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hi Tom, not sure about how you came up with 153% I calculated 53% increase in weight. but I'm going from 10c to 30c not sure but thank there would be more then a 32% increase in power
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Nathan Sonnier
A good flying day is to at least have something to bring home and fix.
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tombo242
Extreme 3D
Joined: 04 Nov 2008
Posts: 3625
Location: Santo Estêvão, East Algarve, Portugal. 76, but still feels 18.
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Posted: Sat Oct 01, 2011 10:22 pm
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| sonnier00 wrote: | | I'm going from 10c to 30c not sure but thank there would be more then a 32% increase in power |
The C rating is the max power that can be delivered but not the power used, that depends on the electronics that the battery is feeding.
For example:
On test my mini Spitfire draws 2.7A at full power with a 7.4V, 350mAh, 15C battery.
Putting a 7,4V, 2,200mAh, 30C battery into its battery connector; it still draws only 2.7A at full power.
The current drawn only depends on the available current when the battery cannot meet the demand. That is when your battery gets hot and burns! A bigger battery will not force more current into the circuit, but it will weigh more. If you can supply lift at the same power requirements as before then you will see an increase in flight time, but extra weight invariably means more power to hold flight.
Tom.
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jonhalice
Hopping Maniac
Joined: 19 Oct 2011
Posts: 25
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Posted: Fri Nov 11, 2011 1:25 pm
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I didn't use Lightning Power 7.4V 1050mAh 30C 2S1P Lipo.so i have no idea! |
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sonnier00
Hopping Maniac
Joined: 24 Sep 2011
Posts: 47
Location: La Porte Texas
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Posted: Sat Nov 12, 2011 5:06 am
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they would not work in the cx3, way to thick
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Nathan Sonnier
A good flying day is to at least have something to bring home and fix.
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