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

[Marteney, Steven J.]

Ummm, not such a far fetched idea.  The only limiting factor is the fiber
bundle.  I don't know if one could get a cheap plastic bundle off the shelf,
nor how much it would be.  We have worked with a supplier to have some
custom bundles made here and the NRE was $100k+, but that was for an
application much different than your standard scope.  I'll look around and
see if there is any inexpensive suppliers.  The only other issue I would
have would be just the usefulness of it.  Getting that thing wrangled such
that is was pointing exactly at the spark plug with the right light at the
proper angle in focus............

-----Original Message-----
From: Bruce Plecan [mailto:nacelp at bright.net]
Sent: Sunday, December 03, 2000 12:25 PM
To: gmecm at diy-efi.org
Subject: Re: Part 2: Reading Plugs, pistons, and valves (with Pics)



Hahahahahah
Hahahah
hahah

Ya every three months they run one down into my lungs, for taking samples
during the biopsy.
The Doc like GNs, just doubt he'd let me *borrow* the machine to take it
down to the parking lot.
LOL
Hope ya can appreciate how funny this is to me...
Bruce
   BTW, I have seen an automotive version for sale, seems like it was
$4,500, but was some time ago.


From: "Dave Zug" <dzug at delanet.com>
Subject: Re: Part 2: Reading Plugs, pistons, and valves (with Pics)
> 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..

> From: Bruce Plecan nacelp at bright.net
> > Ahh, got what ya mean.
> > think it's Jegs has a plate with a plug tapped hole in it.
> > Then you can scribe a line to show where cylinder lines up per plug,
> > supposedly for faster indexing.
> > Me, I gota couple 3 packs of shims, a mike, and a magic marker (ie
cheap)
> > Bruce
> > > Oh definetly not the place for indexing.. the serious drag guys obsess
> > over
> > > that level of detail (I've read).
> > > I thought the detail would be interesting. While the heads are off
> though
> > > its good to screw the plugs in and see where they end up, depthwise.


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