Peter Todd wrote:
>>> http://petertodd.org/art/8-2-automaton/imgs/pcb-assembly-full.jpg
>> It's an impressive array, and I'm glad I wasn't there for the final 
>> plugging of motors to drivers.
> 
> Be glad! The leads on the motors are rather short.

That's what I thought!  I always underestimate clearance for boards 
wired to one another.

>> But... are they tilted up from the horizontal, or just around the 
>> vertical axis?  If it's the latter, I'm not sure I get why it helped... 
>> though it definitely looks more aesthetically interesting.
> 
> Looking at it I'm not so sure either. I tried playing around with the
> original cad files, the boards are rotated 9.78 degrees, and the after
> rotation clearance from board to board is 0.05 less than before rotating
> it.
> 
> My best guess is that after rotating the *mounting* posts have about
> double the clearance between them, an extra tenth of an inch. I must
> have been thinking how I was going to get a tool in there to tighten
> them.

Ah!!  Now that makes sense.

And maybe the mounting hole drills would be uncomfortably close together?
-- 
Timothy J. Weber
http://timothyweber.org
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