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Old 08-13-2012, 05:41 AM   #1
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Default Reversing soldering posts on a brushless motor

I've got a 21.5 Hobbywings brushless motor:
http://www.hobbywing.com/product_show.asp?id=251

Now, the soldering posts face outwards which is not great for wiring inside the small pod area of the F104 v2.

I would like to reverse the posts 180Deg so they face inwards, making soldering and routing wires much better for this car.

Has anyone tried de-soldering the posts and reversing them?
If it's a straight pin, then it will be easy.

A bit nervous about trying this on a brand new motor!
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Old 08-13-2012, 06:13 AM   #2
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Quote:
Originally Posted by Telinoz1975 View Post
I've got a 21.5 Hobbywings brushless motor:
http://www.hobbywing.com/product_show.asp?id=251

Now, the soldering posts face outwards which is not great for wiring inside the small pod area of the F104 v2.

I would like to reverse the posts 180Deg so they face inwards, making soldering and routing wires much better for this car.

Has anyone tried de-soldering the posts and reversing them?
If it's a straight pin, then it will be easy.

A bit nervous about trying this on a brand new motor!
Should be no problem to do that, just make sure you get them reconnected with solder in the right places :P

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Old 08-13-2012, 06:20 AM   #3
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I admit, I haven't seen a motor connection like that before. Interesting
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Old 08-13-2012, 04:58 PM   #4
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Last night I noticed I could move the post a bit, so I gently pulled off the solder bucket and found that it is just a 4mm banana plug female socket.
The post on the motor is a shortened 4mm banana plug male.
(Banana plug aka bullet connectors).

Now I'm confident about de-soldering the 4mm banana plug on this motor and physically reversing the post.
I did note down the colour vs phase before doing this so no chance of wrong wiring later!
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Old 08-13-2012, 05:30 PM   #5
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Pretty sure they are 3.5mm from memory (Just in case your ordering more female connectors)

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Old 08-14-2012, 04:10 AM   #6
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Yes, you are right it's 3.5mm now that I used the Verniers.

Not an issue though, I was always going to wire 12AWG leads off the posts into a 3-way hot swap connector.
All my motors and the ESC will use the Gforce GF-1002-001 connector housing and 3.5mm plugs: http://rchobbies.com.au/store/produc...ducts_id=68794

Easy to mount this with tape/ties etc.
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