Sorry Svein,
I meant to say from the flange as Andy indicated. I just measured mine
and it's 5 mm from the spinner to the cowl. It's a little tight when
your removing the cowls but the fit looks really good. Hope this helps.
Jeff
On Nov 23, 2004, at 12:45 PM, Sidsel & Svein Johnsen wrote:
> <sidsel.svein@oslo.online.no>
>
> Jeff,
>
> On Nov 20, you posted Nevilles excellent, as always, recommendation on
> how
> to fit the cowls. One statement puzzles me, however:
>
>>>> Now adjust for perfect spinner clearance and match. Remember 3/4 to
>>>> 1
> inch of clearance
> between the cowl & spinner.<<<
>
> Is this large clearance really necessary, and how does it correspond
> with
> the 25 mm (1 inch) clearance between the front face of the prop flange
> (on
> the gearbox shaft) and the front of the cowl, as per Andy's correction
> to
> the firewall forward manual? If I assume Andy used as reference the
> common
> Airmaster prop, its spinner extends 20 mm behind the front face of the
> flange, which would give 5 mm clearance between the spinner and the
> cowl
> front. Would this be too close?
>
> If I use 1 inch back from the spinner, the cowl interferes with the
> mechanical fuel pump on my 912S.
>
> I am right at this critical stage now, so any good advice on what you
> or
> others with 912S on XS have done as far as this clearance, will be
> very much
> appreciated.
>
> Regards,
> Svein
> A225 - now in Norway
>
>
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