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HelicopterMain Discussion › Dual Power Lab8 or icharger 4010
06-22-2014 12:02 PM  3 years agoPost 81
Retired2011

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Lee's Summit, MO

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My PSU's aren't that pretty either, but you can't see them anyway.

If I ever have trouble with my 30A ckt, I'll change it to 40A as well...I just used a brkr and wire that I already had.

I'm not sure I have enough batteries to work it that hard, it usually just idles along...occasionally one of the fans will come on.

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06-23-2014 12:27 AM  3 years agoPost 82
Shawnlh

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Medicine Hat, Alberta, Canada

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I peg mine out, all fans blazing. Four 6s 5000's on each side running at 40 amps, on each side. I had to change the breakers in my house to 20's. The 15's kept dropping.

Wheeze the ju...uice buddy!!

Trex 800 Pro DFC / Trex 700L Dominator / Trex Pro 700 DFC / Blade 180CFX w/Ikon / Futaba 18SZ / RealFlight 7.5

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06-23-2014 06:44 AM  3 years agoPost 83
BradNewman

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Orange, Tx-USA

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Ok, got a few pics here to show progress....

The box is coming along, just drying now, then we'll put a clear coat on it to shine it up a bit and maybe some stickers to break up all that green. I know it doesn't look that great, but me and my buddy making this are not painters. Besides, the whole idea behind the steel box is just for safety, the only reason we painted it, is to keep it from rusting. And I like green....

There is also a pic of the DPL8, 2 of the 4 power supplies(I floated the ground on one, I still have to float the other 2), and my wiring installation for the two 240v circuits. I installed switches, so that I don't have to plug and unplug all the time.

Stay tuned for more updates....

Remember to keep everything balanced!

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06-23-2014 11:03 AM  3 years agoPost 84
Retired2011

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Lee's Summit, MO

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I think the box looks just fine...nice work!

I'm curious, why you are using two 240v ckts...each on a 40a brkr?

That connection outside of the boxes would not be cool, according to the NEC.

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06-23-2014 03:47 PM  3 years agoPost 85
BradNewman

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Orange, Tx-USA

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Thanks for the comment on the box!

I worded that wrong, it's actually (1) 240 circuit, with (2) duplex outlets.
As far as the NEC is concerned they should be ok with it because those wires are just the "Earth Ground" and I'm gonna leave it accessible by putting a removable panel in front of it. The only thing they won't like is that they are not marked green, but before I'm done, I will tape each wire with green electrical tape. I'm also going to change the breaker from a 40a to a 30a, because I'm using #10 AWG wire.

Remember to keep everything balanced!

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06-24-2014 03:10 PM  3 years agoPost 86
Tyler

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Chicagoland area

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When an error releases the magic smoke into your home or workshop, I can speak from experience that anything that can rust will rust, almost immediately, even if stored in tool box drawers on the other side of the room. Lipo smoke is nasty stuff. The smoke damage is extensive and costly to remedy. Fire is dangerous, the smoke is damaging.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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06-30-2014 05:54 PM  3 years agoPost 87
BradNewman

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Orange, Tx-USA

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Box is done and in place with final clear coat on it!

Got this done last Wednesday (6/25/14)

Remember to keep everything balanced!

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06-30-2014 06:46 PM  3 years agoPost 88
rexxigpilot

rrProfessor

Florida

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Looks great Brad! Maybe you can produce some for sale. Although I guess the shipping cost may be prohibitive.

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06-30-2014 07:49 PM  3 years agoPost 89
Shawnlh

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Medicine Hat, Alberta, Canada

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Don't know if this has been mentioned already, but one definite advantage of the dual PL8 system is you have 2 power cables to feed the chargers. Unlike the 4010 which only has one. Not a big concern until you start pushing high amperage. This is one of the reasons I went with the DPL8 over the 4010.

Trex 800 Pro DFC / Trex 700L Dominator / Trex Pro 700 DFC / Blade 180CFX w/Ikon / Futaba 18SZ / RealFlight 7.5

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06-30-2014 08:27 PM  3 years agoPost 90
BradNewman

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Orange, Tx-USA

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Finished Product!
Thanks for the comment REX!

It's finally done!!!

This thing is FREAKIN AWESOME!!!
Here are a few cool points:
I pored the coals to it and charged SIX 6s 5000mah packs in 23 min!
And while I was poring the coals to it I was only drawing about 9amps on the 240v A/C circuit and pulling about 50 amps from the power supplies.

I'm loving it!
I'll post some more pics later....stay tuned

Remember to keep everything balanced!

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06-30-2014 10:32 PM  3 years agoPost 91
Retired2011

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Lee's Summit, MO

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Very nice work Brad!

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06-30-2014 11:36 PM  3 years agoPost 92
BradNewman

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Orange, Tx-USA

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Thanks Old Hippie!
There was definitely A LOT of work involved!

Remember to keep everything balanced!

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07-02-2014 06:31 AM  3 years agoPost 93
BradNewman

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Orange, Tx-USA

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Here is a pic of the inside of the fire proof box. There is an 1/8 thick orange rubber mat on the bottom to protect against shorts....

Remember to keep everything balanced!

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07-03-2014 10:54 PM  3 years agoPost 94
rexxigpilot

rrProfessor

Florida

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Almost looks like a great barbeque grill!

Seriously though, be careful of placing most plastics in that box as they are mostly all extremely toxic when burned. A mineral wool mat would be better.

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07-04-2014 01:33 AM  3 years agoPost 95
Retired2011

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Lee's Summit, MO

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Here's what I use.
http://www.menards.com/main/buildin...1630-c-5705.htm
Fireproof, non-conductive, inexpensive, easy to work with, and much cleaner than mineral wool.

Also, my son has a tile business so I get it free!

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07-04-2014 01:58 AM  3 years agoPost 96
Ace Dude

rrProfessor

USA

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Cement board is cheap too. I like the Hardie Backer stuff at Home Depot. Comes in both 1/2" and 1/4".

  

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07-04-2014 02:28 AM  3 years agoPost 97
Ace Dude

rrProfessor

USA

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Of course, there's also ceramic tile and Cordierite.

  

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07-04-2014 03:11 AM  3 years agoPost 98
Retired2011

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Lee's Summit, MO

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Ceramic tile is too cheap.

I might have my son tile my cement board with a natural Travertine or a nice Slate, for a better look.

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07-04-2014 05:11 AM  3 years agoPost 99
Ace Dude

rrProfessor

USA

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But then you're going to have to clean that grout. Maybe marble or granite is the ticket for appearance and low maintenance. Might be on the heavy side though....

  

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07-04-2014 11:52 AM  3 years agoPost 100
Retired2011

rrElite Veteran

Lee's Summit, MO

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Yeah, any tile will be a little heavy for a portable unit, but I don't think Brad is taking his box to the field...it looks pretty heavy anyway

You can seal the grout and make it pretty maintenance free...

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HelicopterMain Discussion › Dual Power Lab8 or icharger 4010
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