[Healeys] BN7 Sidescreens - Screen Fitting Instructions

Bob Spidell bspidell at comcast.net
Fri Oct 22 15:13:51 MDT 2021

I know from experience that airplanes fly because of money. Lots of it.

On 10/22/2021 2:01 PM, WILLIAM B LAWRENCE via Healeys wrote:
> I never met the man either and if we had I doubt if we would be around 
> to enjoy our Healey...
> ------------------------------------------------------------------------
> *From:* Michael Oritt <michael.oritt at gmail.com>
> *Sent:* Friday, October 22, 2021 6:52 PM
> *To:* WILLIAM B LAWRENCE <ynotink at msn.com>
> *Cc:* Michael Oritt via Healeys <healeys at autox.team.net>; Jean Caron 
> <vintage_roadster_restoration at hotmail.com>; Norman Hendry 
> <Norman.Hendry at shaw.ca>
> *Subject:* Re: [Healeys] BN7 Sidescreens - Screen Fitting Instructions
> Bill--
> I have never met Mr. Bernouli and when I said that pressure inside the 
> car "increased" it would indeed have been more accurate to say that 
> pressure outside decreased due to the air molecules' having to travel 
> a greater distance, creating lift..  Fortunately the magnets' force is 
> stronger than the lift and my side curtains no longer pop out at 
> highway speeds.
> On Fri, Oct 22, 2021 at 1:29 PM WILLIAM B LAWRENCE <ynotink at msn.com 
> <mailto:ynotink at msn.com>> wrote:
>     Actually the effect you are seeing is the Bernoulli effect. The
>     air outside is moving faster than the air inside, which lowers the
>     pressure outside causing the screens to move out. It’s the same
>     thing that allows airplanes to fly and sailboats to sail into the
>     wind. The 100 doesn’t have a channel to hold the front of the
>     screen so I made a couple tabs of strap ally and mounted them
>     under the top hold down screws. Worked fine until my Moss side
>     curtains fell apart. Got them in waiting until I get a new set...
>     ------------------------------------------------------------------------
>     *From:* Healeys <healeys-bounces at autox.team.net
>     <mailto:healeys-bounces at autox.team.net>> on behalf of Michael
>     Oritt via Healeys <healeys at autox.team.net
>     <mailto:healeys at autox.team.net>>
>     *Sent:* Friday, October 22, 2021 2:54 AM
>     *To:* Jean Caron <vintage_roadster_restoration at hotmail.com
>     <mailto:vintage_roadster_restoration at hotmail.com>>
>     *Cc:* Norman Hendry <Norman.Hendry at shaw.ca
>     <mailto:Norman.Hendry at shaw.ca>>; healeys at autox.team.net
>     <mailto:healeys at autox.team.net> <healeys at autox.team.net
>     <mailto:healeys at autox.team.net>>
>     *Subject:* Re: [Healeys] BN7 Sidescreens - Screen Fitting
>     Instructions
>     I believe that side curtains on roadsters have a tendency to blow
>     out due to increased pressure within the car, especially at
>     speed.  Mounting and fitting the curtains perfectly so that they
>     notch in behind the windshield stantions just enough to resist
>     this force is not easy and I came up an easy solution:  I mounted
>     a 1" square neodymium magnet to the front inside upper corner of
>     each curtain and a similar magnet to the rear face of
>     each stantion using a small piece of angle in such a way that they
>     are in their "attraction" mode when the door is closed.  The
>     magnets are more than powerful enough to overcome the pressure
>     from within the car and yet they release when the door is opened.
>     I forget now my source but the magnets can be ordered with holes
>     predrilled in their center and they are chrome-plated.
>     Best--Michael Oritt, BN1
>     On Thu, Oct 21, 2021 at 8:31 PM Jean Caron via Healeys
>     <healeys at autox.team.net <mailto:healeys at autox.team.net>> wrote:
>         Norman,
>         I usually buy my own felt, a fairly thin and dense one, and
>         cut my own glass and make sure it fits rather tight, then you
>         have to “pinch” the glass in the channel at the top and bottom
>         by tapping the divider against the glass where it ends.
>         Jean

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