> I developed a theory about nuts, bolts and British machinery. My theory is
> based on the following facts:
>
Borg Warner 35 transmission installed in a Volvo: 6 bolts around the bell
housing. Two of which if memory serves had nuts on them.
Borg Warner 35 transmission installed in an XJ 6: 18, count em 18 bolts
around the bell housing. The bottom three bolts on each side had nuts,
washers and lock washers on them.
My Theory?
All British engine designers have a brother in the nut and bolt business.
The Merlin with over 400 unique fasteners would seem to support this.
:-)
Rick
>
>
>
> The Merlin was built under license by Packard for P-51s. Packard reduced
> the original 400+ variations of nuts, bolts and screws to a few dozen
> standard sizes.
>
>
>
> bs
>
>
> --------------------------------
> Bob Spidell - San Jose, CA
>
>
>
> Wow! Is that what present day owners have to do? It would make owning a
> Spitfire or Mustang (same engine) VERY expensive. As if just buying one was
> not expensive enough!
> Mike MacLean
> 60 Sprite
> 56 BN2
>
> On Mon, Jan 25, 2010 at 6:09 AM, Guy R Day <grday@btinternet.com> wrote:
>
> > Interesting little snippet from Federal Mogul that they have found that
> > re-melting cast alloy piston centres (DuraBowl technology) reduces the
> grain
> > size of the alloy and silicon particles resulting in a cost effective
> > stronger and more thermally resistant piston. The immediate future is for
> > diesel engines but - who knows?
> > Another snippet for those who care - the Merlin engine (Spitfire) was
> > removed, serviced and rebuild every 40 hrs under normal service and EVERY
> > time full throttle was used, no matter how long for. Full throttle use
> was
> > available for shortly over a 30 second burst and snapped a wire strung
> > across the throttle quadrant to show the ground crew it had been used.
> Water
> > injection was not used for decokes!!
> >
> > Guy R Day
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