Turbo speed sensor - ferrite in comp wheel ?

[nacelp]

Have you successfully done this drill thru the wheel, idea?.
Grumpy


> Hi again...
> No......
> Take the compleate turbocharger and fix the wheel so it stands still.
> Drill trou the cower so you hit near the outer edge of the compressor
> wheel, turn the wheel 180 deg. drill trou the wheel once more to have the
> balance fixed.Or offset the hole closer to senter if you dont want 2
pulses
>
> for each rpm.Glu the optical sensor in the back hole and your laser on
> front cower.Maybe you have to clean the sensor once in a while....
> Espen
>
> ----------
> > From: Mike (Perth, Western Australia) <erazmus at wantree.com.au>
> > To: diy_efi at diy-efi.org
> > Subject: Re: Turbo speed sensor - ferrite in comp wheel ?
> > Date: 9. mars 2000 18:13
> >
> > At 09:35 AM 9/03/2000 +0100, "Espen Hilde" <mwichstr at online.no> wrote:
> > >What obout drilling 2 holes in opposite side ,then the balance is ok
> > >and use a light and optical reader trou the holes.
> >
> > hehe - You mean a small hole striaght through the center hub of the
> > comp wheel - would do wonders for stress me thinks <phew>
> >
> > Ah - come to think of it - I could use one of those cheap laser pointers
> > and shine it at an angle across the edghe of the blades - and just need
a
> > optical pickup at the opposite side... Beauty - hand't thought of that
> > until your email prompted me to take a fresh look see - Tah :O)
> >
> > Would mean a bit of machining the comp wheel cover - but heck thats far
> > better then messing with the balance..
> >
> > Yep - thats what I'll try - therefore NOP - I will *not* drill a hole in
> > comp wheel - <relief> - no more dreams about ally shattering through
> > the engine :)
> >
> > Actually would look neat - splaying red light inside the pipe, would
make
> > a nice mpeg - must get my FD-81 Sony mavica soon <sigh> Had one in
> Malaysia,
> > brilliant to store pis on floppy...
> >
> >
> >
> >
> > Rgds
> >
> >
> > Mike Massen
> >
> > Ancient Sufi saying:
> >         "Should your God save you from adversity, choose another God"
> >
> > Pictures of site installation at Mendulong near Sipitang, Sabah
> (Malaysia) for
> > container based RAPS...   http://www.wantree.com.au/~erazmus
> >
> > Vehicle modifications on GMH Turbo, twin tyres, possible 175Kw at wheels
> > Preliminary pictures at
> http://www.wantree.com.au/~erazmus/Twin_tyre_vehicle/
> >
> > My editorial on twin-tyre opinion and good reference about tyres:-
> > http://www.geocities.com/MotorCity/2195/ttyreopinion.html
> >
> >
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