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Feb 14, 2017, 08:54 AM
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Discussion

connectors-the way they should be


i am asking everybody to bring your ideas of the ideal connector for receivers, and another for batteries/esc/motor.
perhaps this way we may find something better, and this may influence an adventurous manufacturer to make them.

my idea is something like this:

1.-for small 1s that fit into receivers:
http://www.radicalrc.com/item/DEANS-...ack-Set-101273
these have positive contact through a large area, and fit tight-you have to push or pull hard to get them in.
(please notice that am not proposing to use the small deans for receivers, am just showing them to see how are they designed)


2.-for larger that fit into motors, esc, and batteries, some1 like these: http://wsdeans.com/products/plugs/ULTRA-PLUG2.jpg
(again, although these are as close as i can think to ideal, perhaps some1 may come with an even better idea)

with servos, the connectors that we use are weak, and can get loose-it has happened to me.
and look at the way batteries connect to the esc or esc to motor-likewise the motors. on those the area in contact is minimal and does not make much pressure. these: https://hobbyking.com/en_us/5mm-male...ile-10pcs.html
i know, there is so much money invested that it may not change. but why not try? it may work. this is the way many ideas have become a reality.
Last edited by phil alvirez; Feb 17, 2017 at 09:49 AM.
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Feb 14, 2017, 09:54 AM
Old's Cool
So, why is it an advantage to have to push hard and pull hard? It seems to me that "the way they should be" would be good contact and secure when you want them to be, but easy to connect and disconnect. I confess to having arthritis in my hands, so maybe I just have an odd perspective.
Feb 14, 2017, 10:16 AM
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safety first


Quote:
Originally Posted by Burnooly View Post
So, why is it an advantage to have to push hard and pull hard? It seems to me that "the way they should be" would be good contact and secure when you want them to be, but easy to connect and disconnect. I confess to having arthritis in my hands, so maybe I just have an odd perspective.
thank you for bringing your point of view.
my concern is that the connectors i complain about dont have enough area in contact, neither feel tight enough to ensure a sound flow of current. it is the design itself that i dont like.
the ones from deans have large area in contact and tight grip (not necessarily to push or pull hard).
Feb 14, 2017, 10:41 AM
Old's Cool
The reason I mention it is that I've been using mostly EC3 connectors since I got into the hobby 7 years ago. They seem pretty secure and they are not difficult to solder, but they are a pain (literally) to connect and disconnect. I've had thoughts about changing everything over to Deans . At this point I don't have anything that uses more than 12 ga wire.
Feb 14, 2017, 10:59 AM
MK
MK
Registered User
Quote:
Originally Posted by Burnooly View Post
The reason I mention it is that I've been using mostly EC3 connectors since I got into the hobby 7 years ago. They seem pretty secure and they are not difficult to solder, but they are a pain (literally) to connect and disconnect. I've had thoughts about changing everything over to Deans . At this point I don't have anything that uses more than 12 ga wire.
I know it's yet another thing to carry but I use these to disconnect EC3s and EC5s and they are a joy to use. Put the tip in that little void between the two connectors and squeeze.

http://www.harborfreight.com/snap-ri...ads-60531.html

I know, I know...it shouldn't have to be....
Feb 14, 2017, 11:00 AM
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this is the problem


post #4:
but you know, these are same design as the others that come with many batteries nowadays, so not only are hard fit on the plastic parts, but still have the weak contacts that are sort of springy but have very small area in contact. look like thin arches that only touch at a small area, and that, at very light pressure.
https://fleetnetwork.ca/products/dyn...l2caAj4R8P8HAQ
or these: https://hobbyking.com/en_us/male-gol...10pcs-bag.html
that are of the other most common design. again, only a small area is in touch, and at very light pressure. the drag that makes them hard to plug-in or remove comes with the plastic part on both types.
Last edited by phil alvirez; Feb 14, 2017 at 11:08 AM.
Feb 14, 2017, 11:10 AM
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bad contact


Quote:
Originally Posted by MK View Post
I know it's yet another thing to carry but I use these to disconnect EC3s and EC5s and they are a joy to use. Put the tip in that little void between the two connectors and squeeze.

http://www.harborfreight.com/snap-ri...ads-60531.html

I know, I know...it shouldn't have to be....
it is a good idea to use them.

still, my concern is basically about false or weak contacts.
Feb 14, 2017, 11:22 AM
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large deans


Quote:
Originally Posted by Burnooly View Post
The reason I mention it is that I've been using mostly EC3 connectors since I got into the hobby 7 years ago. They seem pretty secure and they are not difficult to solder, but they are a pain (literally) to connect and disconnect. I've had thoughts about changing everything over to Deans . At this point I don't have anything that uses more than 12 ga wire.
you know, i didnt think much of the large deans that are for batteries and motors, but now that i study them i see that they have a positive contact-just like the small ones that i mentioned at the post #1.
thank you for bringing them.
the large ones for batteries and motors are these: http://www.radicalrc.com/category/Deans-Plugs-56
http://wsdeans.com/products/plugs/ULTRA-PLUG2.jpg
Last edited by phil alvirez; Feb 14, 2017 at 01:18 PM.
Feb 14, 2017, 11:33 AM
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Thread OP

another type


now i found this somewhere at googles:

I know you probably don't want to switch what type of connectors you are using but the Pro-Tek XT60 connectors from amainhobbies.com are ever better than Deans. I had genuine Deans on all of my packs and they started to get loose and lose contact after about 8 months of use. I made sure to plug them together when soldering, I use a Hakko 936 with the large chisel tip, and I have been in this hobby for almost 20 years so I know how to solder, but they still get worn out. I always make sure to unplug them by grabing the plug not the wires but they still got loose. The XT60 connector is like a bullet connector with a plastic shell. The male side bullets are split 4 way so if they lose their spring you can just open them back up and the connector is like new again. I was talking with the guy who is the Product Development Manager for Pro-Tek about connectors and he was saying that their XT60 connector handled the more amps on their load tester than Deans plugs can. Plus with the design the XT60 plugs are way easier to solder.

problem is, he shows the same design that i am trying to replace! look: https://www.amainhobbies.com/protek-...k-5030/p150712
go figure.
Feb 14, 2017, 12:22 PM
Old's Cool
Quote:
Originally Posted by MK View Post
I know it's yet another thing to carry but I use these to disconnect EC3s and EC5s and they are a joy to use.
Interesting that you should mention that. I've been using modified snap ring pliers for several years for that purpose. I have a pair in my field box and another pair at my charging station. I like to make chisel shaped tips that fit down into the connectors and get a better purchase.

That said, it would be nice to have connectors that didn't require tools.
Feb 14, 2017, 01:22 PM
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tools


Quote:
Originally Posted by Burnooly View Post
Interesting that you should mention that. I've been using modified snap ring pliers for several years for that purpose. I have a pair in my field box and another pair at my charging station. I like to make chisel shaped tips that fit down into the connectors and get a better purchase.

That said, it would be nice to have connectors that didn't require tools.
i couldnt agree more. as i was having a hard time, i developed a tool for removing servo connectors. wrote this at my blog:
as i have a hard time disconnecting the plug of the servos from the receiver, i tried modifying hemostats. they are very thin and come in several shapes. 1 of them has curved tips, and are intended for handling towels. i ordered them and made some inserts to match the connectors. to me is the most practical solution. of course, this is not for all the guys that can do without specialized tools and dont need this.
i found this: http://www.ebay.com/itm/Backhaus-tow...QAAOSwGIRXYcNq
i trimmed the tips to match the width of the connector (7 mm) and cya 2 inserts made from 1/16" plywood.
filed/sanded to fit the connector tight. now they hold the connector the way i need.
from now on, i dont expect to have any trouble removing connectors anymore.
i hope this will be of help to some who, like me, are not experts that dont have any problem doing this.
first clipped the tips to measure 7 mm (the size of the connectors when closed to the 1st step), then added 2 small pieces of 1/16" ply that sanded to fit and glued them with cya and baking soda for fill-in. the inner sides are parallel (7 mm) and grab the connector when pressing to the 1st step. this way i dont have to worry at making pressure when plugging in the connector, just fit it.
am happy with the results, and i hope whoever makes them be happy too.
i think this is a convenient tool for all who deal with radios.
https://www.rcgroups.com/forums/thum...one&starter=n

the thing is, i still cant understand that we have all kinds of marvelous devices that do beyond our wildest dreams, like escs, radios that talk, transistors, leds, you name it, but still have to fight false contacts, and connectors that seem to belong to the caves age.
Last edited by phil alvirez; Feb 17, 2017 at 12:36 PM.
Feb 15, 2017, 07:09 PM
Registered User
IF one uses the 3.5mm Bullets which are same size to those used in xt60 or those goofy EC things.. But without those bulky/ clumsy Plastic containers.
Just like People happliy used decades ago. Connecting disconnecting is Easy... One bullet plug at a time halves the effort required.
Only caveat being that one remembers to NOT plug the red into the black
Deans connectors can be easily tightened.
When /If they get loose by bending/recurving their wee springs...
a small screwdriver inserted under the spring is all it takes.
Feb 15, 2017, 08:35 PM
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Thread OP

better still...


that makes me wonder...
could be possible to persuade deans-or anybody else-to make the arched strips of deans plugs from beryllium copper springy stuff?
http://wsdeans.com/products/plugs/ULTRA-PLUG2.jpg
it makes a great contact material with excellent conductivity and does not loose its flexibility.
it was the material of the cox clips for glow plug engines many years ago.
it could be the perfect answer to our needs
these are the clips am talking about:
https://coxengines.ca/cox-glow-plug-clip-oem-style.html
from wiki: Beryllium copper is a non-ferrous alloy used in springs, spring wire, load cells, and other parts that must retain their shape under repeated stress and strain. It has high electrical conductivity, and is used in low-current contacts for batteries and electrical connectors.

wait a minute: after studying them i realized that the springs dont need to be beryllium copper, as they are not in contact with the other piece, are at the back, so never mind about my suggestion of making them with that special alloy.
Last edited by phil alvirez; Feb 17, 2017 at 12:39 PM.
Feb 16, 2017, 04:05 AM
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Thread OP

facts of life


after weighing all the possibilities, i reached these conclusions:
1.-the 1s that have the most area in contact, and with the most pressure are the deans. the curved piece is not what touches the other: it only serves to put pressure so both are in contact along the whole rectangular area.
2.-not even the andersons do that: andersons rest in touch on an area across, that is way smaller. it is a positive contact, but way smaller area.
3.-the problem is that there are many deans clones that dont raise to the quality of the genuine, so we have to be careful in picking the supplier that sells the genuine.
4.-all the bullet types are in touch through only a small area, and with a very soft touch.
5.-nevertheless, i (and many of you) have been using the bullets for a long time, and now that i think about some mysterious losses of signal, could be atributed to false contacts due to poor design.
6.-still, it is hard to realize that changing all the equipment that we have, to deans, no matter if they are superior design, is a gargantuan task, and most likely few-if any- are willing to do it.
Feb 16, 2017, 04:42 AM
Registered User
Thread OP

sources


final question: where can we get genuine deans ultra?
http://wsdeans.com/products/plugs/ULTRA-PLUG2.jpg
thanks

for instance: http://www.radicalrc.com/category/Deans-Plugs-56
Last edited by phil alvirez; Feb 16, 2017 at 05:03 AM.


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