bartamos On those crimp connectors,cheap thin connectors wont compare to a real T+B ring terminal. Youcan tell when you feel the pressure it takes to crimp it. I mostly solder them too,with a hot fast iron and dutch-boy real solder rosin-core. Also have a real set of T+B crimpers
. Everyone had their say already. Solder is mandatory on aircraft, spacecraft, computers, data dependent systems like ordnance/armament..........etc. Crucial fail safe systems. AWPS. They too do use crimping at times. Many times a double crimp is specified.
The standard FLAP crimp terminal or the ones supplied by harness vendors are plenty adequate for our low tech, low vibration trucks. Soldering is not necessary and easy to screw up, melt, be too big to fit into a connector shell and gets too stiff sometimes. Do not use fork tongue terminals, only ring tongue. Use shrink sleeve or liquid tape. Soldering is more technical than it seems. Some folks do it as insurance and they are experienced. Others will do too much and solder will wick up under the insulation and make it stiff and melt it causing a mess. This may also cause a break. It's easier to master crimping, especially with the right tools. See American Autowire video online.
All of the harness vendors say crimping is enough. Some say use solder after crimp if you want to. Bottom line is we have discussed this for years and it's always the same. Opinions vary. Do what you want. In my opinion, overkill, sometimes is good. In this case, overkill can cause unneeded trouble for no reason.
