Originally Posted by
iamahuman
I tried soldering up my rx8 again and here's one joint. Could you guys take a look at it and let me know?
I can't get the wire flat enough to go into the posts despite using a pair of pliers and a lot of force.
The strength is good but the colour worries me. The solder I'm using always cools off to give that colour though. If this isn't good enough, I might use a bigger iron. This was done with a 40w iron.
Yea that's looking pretty rough bro. Cold solder joints are no joke, if a battery lead comes loose and touches one of the other posts, your going to lose the ESC at a minimum, if the fire gets to your battery, you'll lose the whole car.
It took me awhile but got halfway decent using the Weller station and stock tip, but picked up one of these:
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
And their 5.5mm flat tip and it made wiring up my latest ESC a breeze. Default setting is 750f and I found it worked pretty well. Hot enough to get the job done quickly and didn't need any flux to get things started just a dab of solder on the tip.