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David, I'll probably make it after I get my hull
made.
It seems to suite my need. It won't cause much drag, &
It will only be needed for making sure
I don't rise in the path of a boat
or for gaining orientation. I like Jons web cam idea.
Looking at my web cam, I could suspend it inside a tennis
ball & pour crystal clear casting
resin round it; should be pressure resistant
enough.
While thinking on it further it might be better to
put a solid rod inside a pipe instead of a
pipe in a pipe. you could then add an O ring if
necessary.
Alan
----- Original Message -----
Sent: Sunday, February 07, 2010 1:06
PM
Subject: 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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