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Helicopter
e-
Century Radikal E640 - Swift 16 NX
› lipo batteries and charger
11-21-2006 07:16 AM  11 years agoPost 21
Travalon

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Ft. Collins, CO

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will this work?
Here's a pic. from a computer power source. Will it work to power my Triton2?

The minimum amp 0.5 on the 12v lead is what has me worried. I have seen the charger top off batteries at less than 0.5 amps.

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11-21-2006 07:41 AM  11 years agoPost 22
wedge

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Victoria BC, Canada

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Your reading it wrong, its 19a at 12v, yes that will work. You have to modify it though, you need to load the 5v side with a power resistor, 25watt and 2-4ohm, each ps will respond differently to the resistors. Solder the resistor to a couple of the 5v wires to a couple of the black wires. Then put the resistor where the fan will blow on it, cause it gets hot.

Victoria BC, Canada, Century Swift,Trex SA 450, Hummingbird V3.

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11-21-2006 08:13 AM  11 years agoPost 23
Travalon

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Ft. Collins, CO

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What about the min,load?
Right below the 19A is a min load rating of .5 amps. What does this mean? Will it be an issue?

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11-21-2006 10:01 AM  11 years agoPost 24
jtspin

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Reno, NV

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The min load means it won't be a regulated 12V if the load is less than 0.5A. You could put a 10W 24Ohm load resistor on it. Some of those supplies require a load resistor on the 5V supply as well.

-JT

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11-22-2006 12:58 AM  11 years agoPost 25
Travalon

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Ft. Collins, CO

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Here's my power supply
Now I'm completely lost. There are 5 seperate leads. Which one do I need?

This is what's on the side.

Does this mean ALL the red wires are +5v=30A, ALL the Yellow wires are 12v=19A, etc....? And what does the "(PG)Gray" mean? And the black I am assuming are ground. (Are they all grounded to the same point? Got 1 green wire that isn't labled.

If ALL the yellow wires are 12v and so on, do I need to twist All the yellows together for my positive lead to my charger? And the power resistor for the 5v side the same?

Lastly, what do I do with the rest of the wires? Can I trim and cap them?

This is the first time I've done anything like this I don't want to burn up $150. Or my house.

Thanx for your help and patience.

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11-22-2006 02:28 AM  11 years agoPost 26
wedge

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Victoria BC, Canada

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Yes, your right, but you dont need to twist all the yellow wires together, I used 3 for mine, cut the rest off, and same for the red, when you install a power resistor join 3 together, then the other side of the resistor gets the black wires, black is ground for everything.

Victoria BC, Canada, Century Swift,Trex SA 450, Hummingbird V3.

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11-22-2006 02:42 AM  11 years agoPost 27
Travalon

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Ft. Collins, CO

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1 more ????
What about jtspin's suggestion? would it help?

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11-22-2006 03:47 AM  11 years agoPost 28
wedge

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Victoria BC, Canada

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Im not totally sure, I don't think its needed, I never did it and I don't have any problems. Try it without, if needed you can always add it later.

Will

Victoria BC, Canada, Century Swift,Trex SA 450, Hummingbird V3.

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11-22-2006 03:49 AM  11 years agoPost 29
Travalon

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Ft. Collins, CO

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Kool
Will do thanx

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11-22-2006 03:50 AM  11 years agoPost 30
wedge

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Victoria BC, Canada

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No problem.

Victoria BC, Canada, Century Swift,Trex SA 450, Hummingbird V3.

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11-22-2006 10:23 PM  11 years agoPost 31
Travalon

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Ft. Collins, CO

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Went to get resistors to day.....
And they didn't have a 25w 2-4 ohm resistor. They did have 10w 5ohm. Would 30w 5ohm work?

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11-23-2006 06:17 AM  11 years agoPost 32
wedge

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Victoria BC, Canada

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Yes 30w is ok, dont go less then 25, more is better

Victoria BC, Canada, Century Swift,Trex SA 450, Hummingbird V3.

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11-23-2006 09:34 AM  11 years agoPost 33
Travalon

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Ft. Collins, CO

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Good
I'll do it tomorrow er... today

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11-26-2006 11:14 PM  11 years agoPost 34
Travalon

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Ft. Collins, CO

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went to do it and not quiet sure.
I have 4 10w 10ohm resistors. If I run 2 of them in parallel, I get 5 ohms. Am I getting 10w still? I was thinking it would be 20w. How should I run the 4 (If I need all 4) resistors? Also, I noticed they only work 1 direction as if there is a pos. lead and a neg. lead.

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11-27-2006 12:51 AM  11 years agoPost 35
wedge

rrElite Veteran

Victoria BC, Canada

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shouldn't matter which end you solder to, you should wire them in series, "end to end"

Victoria BC, Canada, Century Swift,Trex SA 450, Hummingbird V3.

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