Of the (3 1/2 ) gearbox sets i bought......One motor wire was broken of the motor solder post.

Half of the others only had a few strands of the wire soldered to the posts.Looks like they use an "axe" to strip the wires.If this is an example of what is coming out in these newer tanks it would be wise to open them up when you get them and figure on re-soldering a lot of the wires to prevent problems down the road.These are neat tanks,just a shame they don't do a better quality workmanship on putting them togeather.Doing it right is not that much harder.

BIGMIG