Part 2: Reading Plugs, pistons, and valves (with Pics)

[Dave Zug]

I hate you. ;-)  That is extremely cool. .125 !  I bet most people don't
think of the same things I do when I imagine winning the lottery.

----- Original Message -----
From: Walter Sherwin <wsherwin at home.com>
To: <gmecm at diy-efi.org>
Sent: Tuesday, December 05, 2000 9:24 PM
Subject: Re: Part 2: Reading Plugs, pistons, and valves (with Pics)


> The "flexible" version of this instrument is called an endoscope, whereas
> the rigid version of this instrument is called an "arthroscope".  You want
> an endoscope for in-situ analysis of internal engine organisms
> ............I used to rely upon the one at work to perform a sanity check
> that things were either fitted or operating okay (not while running of
> course).  Then time came that the 'Doc bought one for her practice.   Now,
> upon fear of extreme punishment in the event of damage, I carefully
"borrow"
> her's from time to time for the same purpose.  You can get into places as
> small as .125" diameter, and even direct your focal viewer in two planar
> axis (well, polar, depending upon your perspective) .  In fact, if
curious,
> you can enter the intake and  go through an open intake valve and look at
> the chamber/cylinder (all over) and then exit the exhaust valve of the
same
> cylinder if your cam has enough lift profile and overlap, without touching
> the crank.  Kinda Cool!  With the right hardware, color photos or videos
are
> also possible.
>
> You could probably rent these things from a scientific instrument company
in
> your local?  Check the Yellow Pages.  The $$$ might be a bit steep, but
> NOWHERE near the cost of buying one.  Homebrewed would be good too.
>
> Bye.
>
>
>
> > ever had access to an arthroscope (SP?) I'd like to borrow one of those
> > babies for a day. With fibre and little PC cameras so cheap nowadays
seems
> > like a great DIY project! Take a $19 PC camera apart, extend the wiring
to
> > the lens , add a dozen strands of fibreoptics to a fibreglass rod for a
> > light source and shove it down an intake port and maybe into the open
> valve?
> > is 0.510" too narrow for one of those lenses?  oops I guess you need a
way
> > to direct the lens to point other directions.. hmmm..
> >
>
>
> --------------------------------------------------------------------------
--
> To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>
>

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org