Re: endoscope for auto use?

[Henri Baccouche <henrib@xxxxxxxxx>]

The real question is what are hoping to see that a
"rough idle" or "oil burning per 1000 miles" couldn't tell you.....better.

Henri



John Bolhuis wrote:

> On Tue, 9 Jul 2002, john wrote:
>
> > Just a thought but I was wondering if it is a feasable thing to try and
> > construct a basic (non-bendy) endoscope type thing for auto use eg
> > seeing into cylinders via the s.plug hole etc etc? Anyone on the list
> > tried something like this or know of any projects like it.
>
>  The problem with these scopes as I understand it is the expense of
> constructing the fiber bundle.  Bendy or no, the bundle must be
> "coherent" i.e. the arrangement of fibers is identical on both ends,
> else the image is jumbled.
> That's tougher than taking a small bundle of fibers and applying
> zip-ties on each end to secure it.
>  The lighting is achieved by using some of the fibers to transmit
> light to the objective.  A simple eyepiece/lens arrangement can be
> fastened to the end for viewing, or a camera can be used.
>
>  I thought about this same thing for engine inspection, but they all
> seem to be too expensive for personal use.  You can find lots of
> information on them by searching Google for "borescopes"
>
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