 | | (Un)steerable Shrimp —Elijah Meeker
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| | | Hi all, I have finally gotten my steerable shrimp to it's next blocking point. The "Un" part of my subject comes about as I am still lacking a Barnes Motor Amplifier to handle the 5 minimum motor controls and two micro motors for the steering (...) (23 years ago, 1-Oct-01, to lugnet.robotics)
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| | | | | Re: (Un)steerable Shrimp —Brian B. Alano
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| | | | (...) It seems so from the literature, but I wonder if rocker length also plays a part. There probably is a rocker arm length to wheel diameter ratio beyond which increasing the rocker length doesn't do much good. The seminal idea was to climb the (...) (23 years ago, 2-Oct-01, to lugnet.robotics)
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| | | | | | Re: (Un)steerable Shrimp —Mario Ferrari
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| | | | | (...) I agree. In my SHRIMP II version I reduced the length of the front arm from 16 to 12 studs, and this affected negatively the maximum height of the obstacle that the platform can overcome. (...) Actually the rule is not so rigid. A SHRIMP can (...) (23 years ago, 2-Oct-01, to lugnet.robotics)
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| | | | | | | Re: (Un)steerable Shrimp —Elijah Meeker
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| | | | | | (...) Hmmm, any ideas on maximum length? (...) Well rats. Now I am back to a flexible connection between the front wheel and the body, or put another motor on it, the latter being far less desirable due to weight. Maybe Graiger's sells rare earth (...) (23 years ago, 2-Oct-01, to lugnet.robotics)
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| | | | | | Re: (Un)steerable Shrimp —Elijah Meeker
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| | | | (...) 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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| | | | | | Re: (Un)steerable Shrimp —Mario Ferrari
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| | | | | (...) I can't wait to see the pictures :-) (...) You know that there are different kinds of black pins, don't you? There has been a recent change in the thickness of their wall: (URL) (23 years ago, 3-Oct-01, to lugnet.robotics)
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| | | | | | Re: (Un)steerable Shrimp —Iain Hendry
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| | | | "Elijah Meeker" <lego-robotics@crynwr.com> wrote in message news:1002044122.1513...ldomain... (...) 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, (...) (23 years ago, 3-Oct-01, to lugnet.robotics)
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