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Subject: 
Re: (Un)steerable Shrimp
Newsgroups: 
lugnet.robotics
Date: 
Wed, 3 Oct 2001 11:42:58 GMT
Viewed: 
802 times
  
"Elijah Meeker" <lego-robotics@crynwr.com> wrote in message
news:1002044122.1513.171.camel@localhost.localdomain...

Oh, one last thing, I never realized until I started stuffing flex hose
into them how widely the tollerences vary on black pins. It's amazing
considering the exacting tollerences of the outsides. I wonder if they
feed black tube into the mold, heat it and blow air in so as to get the
exact outside tollerences they need.

I don't believe those parts are blow molded. At least, I've never seen a
blow-moulding IMM that small! That process is typically reserved for larger,
hollow parts. The friction pegs would just have a retractable core in the
mould, which has to be pulled before the halves open.

There are several different style of friction pegs, and the hole sizes on
each of generation is signifigantly different!

    Iain



Message is in Reply To:
  Re: (Un)steerable Shrimp
 
(...) I hit upon near total success last night, and the solution turns out to be very simple (surprise!). It is an ordeal for me to get pics on the web at the moment (I'm inbetween ISPs), but here it is in essence. The side of the shrimp is 4U high (...) (23 years ago, 2-Oct-01, to lugnet.robotics)

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