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Logo 700xx › Battery plugs ?
02-22-2014 12:56 PM  3 years agoPost 1
Paul Woodcock

rrElite Veteran

Dubai - United Arab Emirates

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Hi guys

What battery plugs are you guys using?

I have a gap in my heli setup....Long story short, i have a Logo 700 1/2 built and a Logo 550 on the way. So it's an ideal time to reconsider my battery plugs....

I have been using EC5's for a while and have been happy with them. I use the E-Flite "springy" type.

The other plugs i was considering are the PRC-6 bullet plugs and the 6,5mm Castle Connectors. T

Do any of you use individual bullet plugs and "join" the packs to 12s?

The PRC-6 individual bullet plugs look good for this setup. What do you think?

Is there some better solution out there, like a nice German plug ?

Thanks
Paul

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02-22-2014 01:41 PM  3 years agoPost 2
wrongler

rrProfessor

Brewerton, New York

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I use the EC5's on all my electric helis, They work fine and hold up well. I have not found a reason for changing. The 6mm bullets are nice if you are going to 14S or larger.

Bill Whittaker

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02-22-2014 01:52 PM  3 years agoPost 3
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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I been using EC-5s. If they work, and work well, why change
I also used EC-5s on my 16s XX800

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

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02-22-2014 02:05 PM  3 years agoPost 4
captrlp

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Spanish Fork, Utah - USA

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I've considered the PRC plugs myself, but then realized, why fix what isn't broken. I've been using EC5 & EC3 for years without any issues. If you go the bullet route, make sure you have a fool proof way to prevent a + to - hookup, or you'll regret ever going that route when that nice 6s battery smokes!

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

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02-22-2014 02:21 PM  3 years agoPost 5
Paul Woodcock

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Dubai - United Arab Emirates

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Hi guys

Thanks for the replies.

I used to use CC 6,5mm individual bullets on my TRex700. I hated them. It was more the actual plugs and not the concept of individual bullets. I just needed to be wide awake when plugging everything in.....That is why i moved to EC5's in the first place.

On the Logo 700, do you poke the battery wires through the big hole in the front of the frame or loop them round each side of the frame?

Thanks guys.

Regards
Paul

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02-22-2014 04:12 PM  3 years agoPost 6
rexxigpilot

rrProfessor

Florida

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I run mine outside the frame. The EC5 connectors dig into my batteries if I run them inside.

I use both EC5 and CC 6.5mm bullets on different 700 machines. My Goblin has the 6.5s. It sure cleans up the wiring by not having the EC5 plastic housing. I may change the Logo 700's connectors to the Castle 6.5 connectors for a less restrictive connection and to clean things up a bit.

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02-22-2014 04:22 PM  3 years agoPost 7
Paul Woodcock

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Dubai - United Arab Emirates

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Hi

Are you referring to the CC individual bullet plugs?

Thanks
Paul

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02-23-2014 09:17 PM  3 years agoPost 8
rexxigpilot

rrProfessor

Florida

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Yes Paul. I am using the Castle Creation bullets. I do have other brands in my parts bin. However, I like how short the CC connectors are compared to standard bullets. This helps with soldering. Less time and heat is needed. This causes less wicking into the wire beyond the connector. Wicking makes the wire inflexible.

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02-23-2014 09:19 PM  3 years agoPost 9
Anthony.L

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Seattle, WA

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I vote for the PRC6 connectors, I'm loving them.

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02-23-2014 09:34 PM  3 years agoPost 10
rexxigpilot

rrProfessor

Florida

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I like the Progressive RC connectors too. I would use the PRC8s, and probably throw away the plastic housings. The PRC6s will work fine though. They have an even shorter connector bullet than the CC 6.5, just a bit smaller diameter. If you use 8AWG wire, the 6.5mm or 8mm is a better choice. 10AWG fits just fine in a 6mm bullet.

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02-28-2014 01:26 PM  3 years agoPost 11
Paul Woodcock

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Dubai - United Arab Emirates

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Hi guys

Thanks for the advice.

It has been decided, stick with EC5's.....

The deciding factor over individual bullets was a fool proof way to prevent accidentally connecting a 2 battery packs together.

I remembered the day by 3 year old son plugged a mini Deans plug into the balance plug on a small 300mAh 3s pack for a multiplex Merlin glider...... I was flying my heli and he was unpacking my tool box, like 3 year olds do.....I came back to the pits to a very melted looking pack, luckily nothing worse.

Now just imagine 2 x 6s 5300mAh packs plugged together.

Regards
Paul

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02-28-2014 06:27 PM  3 years agoPost 12
rexxigpilot

rrProfessor

Florida

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I've seen that done with Anderson Power Poles. Lots of sparks!

When using bullets, it is best to alternate male and female connectors on the negative and positive wires to prevent this from happening. I use male bullets for the positive (red) battery supply side and vice versa for negative. The ESC gets the opposite on the power input. This keeps things from being improperly connected.

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03-01-2014 07:01 AM  3 years agoPost 13
Roney Silveira

rrNovice

Aruja-SP-Brasil

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Anti Spark connectors

Hi, I would like to add a comment, as per my experience with 7 electric helis, all of them still a live !!!
- Any good connector manufacture by 6 to 6,5 mm are good enought for 700~800 class.
The key issue is to avoid sparks, as it happens starts to damage making a bad connector contact, reducing current draw and like a result heating connectors.
About 8 months a go, I start to have Kontronik ceramic antispark connectors and realize they are really good to prevent sparks and like a result no need to replace connectors.
It is easy to see the good connectors conditions, after anti-spark connects are installed.
Kontronik anti-spark connector are 5.5 mm, means need some work having two serial connectors.
I am happy with results.
Roney Silveira - Sao Paulo - Brasil

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03-01-2014 03:07 PM  3 years agoPost 14
rexxigpilot

rrProfessor

Florida

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One other important thing to remember when choosing the connector size is the connector needs to be large enough for not only the ESC power wires but the BEC wires too. EC5 connectors are too small to solder both ESC and BEC wires in the connector for any ESC wires larger than 12AWG. Even if you fit the wires in the connector, the plastic housing of the EC5 won't fit properly over the combined wires.

When using EC5s for ESC wires 10AWG and larger, I typically remove a section of the ESC wire insulation an inch or so up from the connector to create a place to solder on the BEC power wires. This doesn't provide a very solid connection unless you intertwine the ESC and BEC wires by untwisting the exposed section of the ESC wire then placing the BEC wires between the ESC wire strand bundles, then solder and cover with heat shrink. The only thing preventing a short with this method is the heat shrink, which is under stress from the wire bending. I use several tie-wraps around the wiring for strain relief. However, I still fear the heat shrink coming off or slipping in flight and the whole heli becoming a fire ball.

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