[PSUBS-MAILIST] I found a reference to a biological propulsion method

[Douglas Suhr]

Yeah I've seen them fold, that's a pretty nice feature for a kayak.


On Wed, Mar 12, 2014 at 10:33 PM, <JimToddPsub at aol.com> wrote:

>  Doug,
> If it weren't for a real time crunch, I would like to have adapted the
> Mirage for use in our cardboard boat races on a local lake.  One really
> cool features is that you can put the fins in a full-up position against
> the bottom of the hull when launching or when in the shallows.
> Jim
>
>  In a message dated 3/12/2014 9:21:00 P.M. Central Daylight Time,
> spiritofcalypso at gmail.com writes:
>
> I know that this isn't exactly what we're talking about (granted, it's
> close) but this discussion reminded me of Hobie's mirage drive. Very
> interesting concept, not sure about the practical uses on a submersible
> though. ~ Douglas S.
>
> http://www.youtube.com/watch?v=lD6OQhCeXqs
>
>
>
>
> On Wed, Mar 12, 2014 at 9:55 PM, <JimToddPsub at aol.com> wrote:
>
>>  Mike,
>> If you go to Youtube and search for "Anomalocaris" you'll find a number
>> of videos.  A couple of years ago there were several posts on mechanical
>> fish or robofish.  I don't recall the threads, but those are easy to find
>> on Youtube also.  Caltech has a Biological Propulsion Laboratory.
>> Jim
>>
>>  In a message dated 3/12/2014 8:27:27 P.M. Central Daylight Time,
>> mholt at ohiohills.com writes:
>>
>> http://en.wikipedia.org/wiki/Anomalocaris
>>
>> In the section "Anatomy," there are two (or maybe three) references that
>> report that the side fins on the animal is an inherently stable
>> propulsion technique.  I don't seem to have access to the full texts but
>> one comment is that mechanical model was made and tested.
>>
>>
>> M
>>
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