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HelicopterMain Discussion › thinking of building a charging station
02-18-2014 04:19 AM  3 years agoPost 1
KRAR

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Chicago,Illinois

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For those who know me I am trying to get back in the hobby... problem is that I need to update my equipment. So I want to build a portable charging station...
I would build the case out of wood. Two DC power supplies in the bottom. Make a "tray" with four individual slots, one slot for each battery. Each slot would have it's own connection and balance board in it. I would fiberglass these compartments with a Plexiglas window to protect from fires. I would also connect a temperature sensor in each. I would then put the charger on the top with all the connections running under everything.

Any thoughts or suggestions...
I have looked at a few threads and don't like any of them so far to be honest.... I also wanted to know what kind of wood is the E-flite field mate is made out of?

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02-18-2014 04:25 AM  3 years agoPost 2
Craigdieslemac

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Valdosta, Ga USA

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Sounds really heavy and complicated. I think for a portable setup, the simpler, the better. I too am building a portable charging system out of 2 supplies and a 4010 Duo.. Maybe I'll do a build thread.

Aut viam inveniam aut faciam

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02-18-2014 05:07 AM  3 years agoPost 3
AWittleWabbit

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O.C., CA

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In case you missed it, the thread titled "the best power supply I've had yet!" by Eury might be worth a read. The DPS1200fb is really small. I just finished pairing some together, much smaller than my deceased ol'Ripmax supply.

Heli-itis sufferer.

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02-18-2014 05:30 AM  3 years agoPost 4
KRAR

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Chicago,Illinois

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Then again the X4 with AC supply looks really nice...

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02-18-2014 09:34 AM  3 years agoPost 5
Craigdieslemac

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Valdosta, Ga USA

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Thosw are the supplies I am using.. They are tiny! But I'm fitting my whole setup into a pelican case made for a laptop.

Aut viam inveniam aut faciam

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02-18-2014 11:48 AM  3 years agoPost 6
Ronald Thomas

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Gainesville, Fl, USA

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Wood is very cool but = flammable
I would look into a plastic prebuilt case just for speed and if something goes wrong, you whole case does not turn into kindling...

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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02-18-2014 11:58 AM  3 years agoPost 7
Retired2011

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Lee's Summit, MO

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Sounds really heavy and complicated. I think for a portable setup, the simpler, the better. I too am building a portable charging system out of 2 supplies and a 4010 Duo.. Maybe I'll do a build thread.
Sounds awfully heavy to me too.

I'm using 4 of the DPS-1200 PSUs...
I haven't completely decided which charger yet, I'm thinking about the Power Lab DPL8 @ 36V, but I really don't think I'll ever need more than a 6s charger, so I might go with two PL6s instead.
I'm just using a cheap case from Harbor Freight that I had around...once I get the setup the way I want it I'll probably move it to a Pelican.

You should do a build thread Jeff, I learn from every one I read.

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02-18-2014 12:26 PM  3 years agoPost 8
Craigdieslemac

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Valdosta, Ga USA

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Will do.. Should take awhile.. Between kids, work, kids, work, and kids.. I don't have a lot of time. Luckily my daughter loves to go with me when I fly so I get to do that every week.

Aut viam inveniam aut faciam

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02-18-2014 02:43 PM  3 years agoPost 9
captrlp

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Spanish Fork, Utah - USA

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I'm running a Meanwell 1500 PS with two PL8 chargers and three i208b chargers. I can run everything at full power and not have any issues. I did a custom build on the Pelican case, purchasing a Pelican frame and had a piece of Lexan cut to fit as a deck. All the chargers plug into banana posts, so things are clean. I installed a 110 plug connection in the back of the case with an intake and exhaust on the sides with fan covers in place. The PS sits below the Lexan deck.
I'm into the case setup less than $200.00.

Logo 480Xxtreme, Logo 550SX, Logo 600SX, Logo 700Xxtreme, Logo 800Xxtreme

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02-18-2014 02:55 PM  3 years agoPost 10
unclejane

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santa fe, NM, USA

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Not meaning to rant but... I will never spend a red cent on a 115v/220v PSU ever again. Even my Meanwell 1000 watter prematurely burned itself up finally with my Powerlab 8 attached to it. Only pulling 30 amps out of it (rated at 47), it filled the apt with that Bakelite smell and went off to that Great Power Supply Heaven in the Sky.....

I've got a pile of dead PSU's now in the corner, a couple of them "quality" ones like the Meanwell....

I now use 2 deep cycle 12V batts and a cheap battery charger from the auto parts store. One in the pickup, one inside on my bench. They will never burn out; only eventually wear out. And the cheapo batt charger, who cares.....

So, if you can stand the extra weight of a bank of batts in your vehicle, that'd be my recommendation. Cost is similar to a PSU and they won't smoke on you on that nice sunny, warm morning when you want to go fly....

LS

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02-18-2014 03:08 PM  3 years agoPost 11
Ace Dude

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USA

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I've been using many brands of power supplies over the yeas and have never had one fail. My linear Astron ham supply is over 20 years old and still going strong.

The only time I'd ever consider using Pb batteries is for emergency power or when it's the only option available. The dreaded weight, limited DoD, limited output power, constant charging, and hydrogen gas they can produce isn't worth the hassle to me compared to my Honda EU2000i and power supply.

  

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02-18-2014 03:35 PM  3 years agoPost 12
unclejane

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santa fe, NM, USA

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Yeah, ok, so you suck a little Hydrogen gas, so what...

I'm still working on a pair of deep cycles that I bought over 5 years ago; I can't say that for any PSU I've ever owned. They're all in the pile of junk that's ready for my next trip to the dump.

You just have to do a little weight training is all lol....

LS

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02-18-2014 04:07 PM  3 years agoPost 13
Ronald Thomas

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Gainesville, Fl, USA

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There has to be something wrong with your setup. There should be no reason why you burned up multiple power supplies. I am not saying it isn't possible but when you burn up multiples, you have to look elsewhere for the issue because it certainly is not following the power supplies….

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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02-18-2014 04:19 PM  3 years agoPost 14
RyanW

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Edmond, Oklahoma

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I use Meanwell, but my next setup will be from this guy-

http://www.solidhobby.com/

He is been very helpful to many of my friends and all of his equipment seems to be work great. It is nice having a little personal touch.

-Ryan
Mikado USA, Kontronik, Opti-Power, MKS Servos

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02-18-2014 04:30 PM  3 years agoPost 15
Ace Dude

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USA

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Yeah, ok, so you suck a little Hydrogen gas, so what...
The Hindenburg used Hydrogen.

  

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02-18-2014 04:44 PM  3 years agoPost 16
unclejane

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santa fe, NM, USA

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There has to be something wrong with your setup. There should be no reason why you burned up multiple power supplies. I am not saying it isn't possible but when you burn up multiples, you have to look elsewhere for the issue because it certainly is not following the power supplies….
There's nothing wrong with putting a load on a PSU within it's limits. My conclusion is that they just can't take the punishment. High duty-cycle usage, even well within their rated full-duty-cycle capacity limits, just eventually does them in in my experience. I've tried all sorts of different ones and, well, the pile of burnt up junk over there in a cardboard box tells the story.

A good DC battery, OTOH, can handle much harder usage with no trouble at all. They just don't burn up. Even once they start losing capacity they remain usable as charging batts for a very long time.

Yeah they weigh a ton and the hydrogen gas is a bad influence on the ol' brain cells, but I've only had to buy my pair once. And they've not let out so much as a peep of a complaint.

LS

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02-18-2014 04:45 PM  3 years agoPost 17
unclejane

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santa fe, NM, USA

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The Hindenburg used Hydrogen.
Meh, that's in the past... I just keep the front door open and a fan running...

LS

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02-18-2014 04:57 PM  3 years agoPost 18
Ace Dude

rrProfessor

USA

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Pb's are far more problematic than any power supply I've ever used. Considering many new chargers can support a 48V input I don't even see them as being practical.

Pb drawbacks:

1) Heavy
2) Non sealed Pb's vent Hydrogen. Sealed Pb (e.g., AGM) are $$$$.
3) Voltage drop under load
4) Increase DoD and reduced cycle life
5) Need to constantly be charged and stored full charged (maint. charger)
6) H2SO4 can spill/leak if non-sealed variety.
7) Limited charge rate.

IMHO that's far more hassle than I'm willing to accept.

But, if it works, use it. The drawbacks are based on my evaluation of the technology for my own personal use. Your mileage may vary.

  

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02-18-2014 07:09 PM  3 years agoPost 19
Ronald Thomas

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Gainesville, Fl, USA

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Server PS are made to be run 24/7 365 at their rated power. Unless they are not getting proper cooling, or you are over working them, I can't see how so many of them have failed for you

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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02-18-2014 07:38 PM  3 years agoPost 20
unclejane

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santa fe, NM, USA

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All I know is all the PSU's I've used for charging batts are all dead and at the dump. My big PB's, OTOH, never fail no matter how hard they've been pushed. Still using the same pair for more than 5 years for a variety of 12 and 24V tasks. They've been my best power supply investments ever...

LS

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HelicopterMain Discussion › thinking of building a charging station
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