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RE: [PSUBS-MAILIST] my optronic mast idea with sketch



Alan,
 
  Make a working model as this sounds cool!
 
                                                    David Bartsch
 
> From: alanjames@xtra.co.nz
> To: personal_submersibles@psubs.org
> Subject: Re: [PSUBS-MAILIST] my optronic mast idea with sketch
> Date: Sun, 7 Feb 2010 12:46:03 +1300
>
> You've got me thinking, wich is dangerous.
> You could have a camera mounted on a pole that pivots at the hull.
> It can fall backwards down toward the back of the hull but has a stop
> to stop it from going forward of vertical.
> Attach a piston to it diagonally from about 6inches up the pole to a
> hinge point close by on the hull. The piston could consist of one pipe
> fitting inside the other capped at each end (top of one pipe, bottom of
> other).
> Put a snap on fitting or neumatic line fitting at the bottom of the pipe.
> Have a through hull supplying air.
> Turn the air on & the piston will push the camera from horizontal to
> vertical.
> Turn the air off & the air will leek out (because it's just two pipes with
> no seals)
> & the camera will fall back to horizontal aided by the subs forward motion.
> Alan
>
> ----- Original Message -----
> From: "Gregory Snyder" <greg@snyderemail.com>
> To: <personal_submersibles@psubs.org>
> Sent: Sunday, February 07, 2010 10:15 AM
> Subject: Re: [PSUBS-MAILIST] my optronic mast idea with sketch
>
>
> > Thanks
> > That makes some sense.
> >
> > ------Original Message------
> > From: Jon Wallace
> > Sender: owner-personal_submersibles@psubs.org
> > To: personal_submersibles@psubs.org
> > ReplyTo: personal_submersibles@psubs.org
> > Subject: Re: [PSUBS-MAILIST] my optronic mast idea with sketch
> > Sent: Feb 6, 2010 12:11 PM
> >
> >
> > Gyroscopes and/or accelerometers wired to small hydraulic "lifters"
> > under your seat to counter any "bobbing" action by the water. Sort of
> > like the anti-earthquake "mass" technology for skyscrapers where they
> > put a huge mass (hundreds of tons) at the top of the building which
> > moves in the opposite direction of the building (whether by wind or
> > quake), thereby countering the movement and keeping the building steady
> > and straight.
> >
> >
> > Gregory Snyder wrote:
> >> How do you keep from getting sick as you bob up and down under the
> >> surface looking through the little scope?
> >>
> >>
> >
> >
> >
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> >
> > Gregory B. Snyder
> > Greg@snyderemail.comNz»?©¹¹®È.ëj)z
> > ²×sTz̶yDy×jP5#0¡ýÓvº·j)uڲƥæ²)º·µ¦±æq«yè.ê¢ê²?¢w¢é£
> > ªçµç¢êqèzg±¨±ús<¢¸z,¶*!ü»¶Úz·¢÷~º¶T¨SxSËSjÉÉrJ¶SyzZ¢»?Ö.©zf-g±¨¶Ss<Tê®Êj[ng²&zʹ»®s<-?¢êT¨i×zË®??+j)z
> > ²Úrêo&jëT«vsqëjw?<u·¢jz×SØ?øzhº×¡ú®Ç½êyǾ)Ê<­êzËI@98çuj·Mó^ß?×]
>
>
>
>
>
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> The personal submersibles mailing list complies with the US Federal
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> PSUBS.ORG
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