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RE: Louvers in the Bonnet

To: "'Melvyn Rutter'" <Melvyn@rutter.clara.net>,
Subject: RE: Louvers in the Bonnet
From: "Willburn, Gerry" <gerry.Willburn@vcincorp.com>
Date: Thu, 1 Jun 2000 13:17:36 -0700
Ahh, Uncle Melvyn,

Yes indeed you have one of the seventeen DHCs (3%) which were special
ordered with louvers in the bonnet.

Gerry


> -----Original Message-----
> From: Melvyn Rutter [SMTP:Melvyn@rutter.clara.net]
> Sent: Thursday, June 01, 2000 12:13 PM
> To:   Willburn, Gerry; 'Vandergraaf, Chuck'; 'David McCoy'
> Cc:   morgans@autox.team.net
> Subject:      RE: Louvers in the Bonnet
> 
> 
> 
> Hello folks,
> Of course Gerry is right, DHC cars do not have louvres as standard;
> trouble
> is, Morgans will do anything you want, well almost. My 1965 +4 DHC  #5863
> has louvres in it from new.
> Best wishes
> Melvyn R. / The Morgan Garage
> 
> -----Original Message-----
> From: owner-morgans@autox.team.net
> [mailto:owner-morgans@autox.team.net]On Behalf Of Willburn, Gerry
> Sent: Thursday, June 01, 2000 7:32 PM
> To: 'Vandergraaf, Chuck'; 'David McCoy'
> Cc: morgans@autox.team.net
> Subject: RE: Louvers in the Bonnet
> 
> 
> Actually the 4/4s and Plus 4 drophead coupes do not have louvers.
> 
> Gerry
> 
> 
> > -----Original Message-----
> > From:       Vandergraaf, Chuck [SMTP:vandergraaft@aecl.ca]
> > Sent:       Thursday, June 01, 2000 10:38 AM
> > To: 'David McCoy'
> > Cc: morgans@autox.team.net
> > Subject:    RE: Louvers in the Bonnet
> >
> > Dave,
> >
> > Wait no longer; see my e-mail dated yesterday, copied below:
> >
> > Len,
> >
> > Not just the +8, but also the 4/4 and the +4 (but, apparently not the
> new
> > Aero 8) have louvres.  I'm not an engineer (aerospace or otherwise) but
> I
> > suspect that, when the car is in forward motion, the louvres force the
> air
> > rushing over the bonnet away from the bonnet and create a partial vacuum
> > to
> > help suck the air out.  The only other way for air to escape is through
> > the
> > bottom of the engine compartment.  I agree, the louvres look cool but
> are
> > hard on the finger tips when polishing the car. But, "no pain, no gain."
> >
> > Chuck Vandergraaf
> > Pinawa, MB
> > '52 +4 (complete with louvres)
> >
> >
> > Chuck (radiochemistry; not physics)
> >     ----------
> >     From:  David McCoy[SMTP:gdm_1419@yahoo.com]
> >     Sent:  Thursday June 01, 2000 11:57 AM
> >     To:  morgans@autox.team.net
> >     Subject:  Re: Louvers in the Bonnet
> >
> >
> >     --- "Michael D. Miles, PE" <mdmiles@mdmpe.com> wrote:
> >     > Not exactly.  The theory is that a certain amount of
> >     > air enters the
> >     > GRILL but its 'path of least resistance' is actually
> >     > downward through
> >     > the opening to the ground between the grill and
> >     > radiator.  This
> >     > reduces the amount of air rammed through the
> >     > radiator signifigantly
> >     > and therefor allows backflow (recirculation) from
> >     > the engine
> >     > compartment to percolate forward through some of the
> >     > radiator, thereby
> >     > reducing its efficiency in removing heat.
> >
> >
> >
> >     Waiting patiently for "bernouli" to surface...IR
> >     airflow over and across louvers pulling air from
> >     engine area... OR perhaps louver as "wing" ....
> >
> >     Dave (C in physics) McCoy
> >
> >
> >     __________________________________________________
> >     Send instant messages & get email alerts with Yahoo! Messenger.
> >
> 

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