On 25 Apr 2016 at 12:19, Lee Hart via EV wrote:

> There are lots of BAD crimpers out there, too. Cheap, hardware-store
> toys, and "hammer crimpers" that don't produce good crimps. 

I agree that a hex crimper is better, and I recommend one if you're pulling 
currents upwards of 600+ amps.  However, I've used a hammer crimper for 
years with currents <= 400a, and have never yet had a problem.  YMMV of 
course.

I think the trick is to use a heavy enough hammer - I use a small sledge - 
and don't be shy about it.  I've seen recommendations to pinch it in a vise 
or press instead, but I see no advantage to that over a few good hammer 
blows.

One downside of a hammer crimper is that you can't crimp a connection with 
the cable in the car.

David Roden - Akron, Ohio, USA
EVDL Administrator

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