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Re: [Healeys] BN7 Sidescreens - Screen Fitting Instructions

To: WILLIAM B LAWRENCE <ynotink@msn.com>
Subject: Re: [Healeys] BN7 Sidescreens - Screen Fitting Instructions
From: Michael Oritt <michael.oritt@gmail.com>
Date: Fri, 22 Oct 2021 14:52:25 -0400
Cc: Michael Oritt via Healeys <healeys@autox.team.net>, Norman Hendry <Norman.Hendry@shaw.ca>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <4FC9AF5601BC4844A92910536E009E2E@NormanPC> <DM6PR17MB2507E682A7F586BB169DCEE0D1809@DM6PR17MB2507.namprd17.prod.outlook.com> <CAPTa0B6YHEg27kyxowgpOG=h2zkVLj3Aa0n0B6M-1VdD_qyqcw@mail.gmail.com> <SA1PR13MB5635CFF17777B53BC2567C98A5809@SA1PR13MB5635.namprd13.prod.outlook.com>
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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@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=E2=80=99s the same thing that=
 allows
> airplanes to fly and sailboats to sail into the wind. The 100 doesn=E2=80=
=99t have
> a channel to hold the front of the screen so I made a couple tabs of stra=
p
> ally and mounted them under the top hold down screws. Worked fine until m=
y
> Moss side curtains fell apart. Got them in waiting until I get a new set.=
..
> ------------------------------
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of Michael
> Oritt via Healeys <healeys@autox.team.net>
> *Sent:* Friday, October 22, 2021 2:54 AM
> *To:* Jean Caron <vintage_roadster_restoration@hotmail.com>
> *Cc:* Norman Hendry <Norman.Hendry@shaw.ca>; healeys@autox.team.net <
> healeys@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 windshiel=
d
> 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 insid=
e
> 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 th=
an
> 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@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 =E2=80=9Cpinch=
=E2=80=9D the
> glass in the channel at the top and bottom by tapping the divider against
> the glass where it ends.
>
>
>
> Jean
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=3D550986> for
> Windows
>
>
>
> *From: *Norman Hendry via Healeys <healeys@autox.team.net>
> *Sent: *October 21, 2021 2:49 PM
> *To: *healeys@autox.team.net
> *Subject: *[Healeys] BN7 Sidescreens - Screen Fitting Instructions
>
>
>
> Went for a drive the other day and as it was rather windy I fitted my new
> side screens for the first time and was impressed with the wind and noise
> protection they gave. Part of the drive took me onto a highway and when I
> increased the speed to 100 km/h the fixed screen on the drivers door blew
> out (thankfully there were no other cars around me)
>
>
>
> Taking a closer look at the side screen frame and comparing it to the
> original side screen assemblies I noticed the following:
>
> 1. The siding screen is in the inner channel which has a felt U-section =
=E2=80=93
> same as the originals
>
> 2. The outer channel, for the fixed screen is filled all-around with a
> high density felt which is just below the channel lip.  Is this right, as
> the felt blocks the drainage holes, the screen does not sit deep in the t=
he
> channel, and the original side screens do not have this felt?
>
>
>
> I have spent countless hours surfing the net, the archives, looking at
> parts books, and Gary Andersons restoration guidelines and can=E2=80=99t =
find how
> the screens are fitted inside the frame so I would be really appreciative
> of help and guidance.
>
>
>
> Thank you
>
>
>
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>
>
> _______________________________________________
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>
>
> --
> Best--Michael
>


--=20
Best--Michael

--000000000000cfbe4705cef583fa
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">Bill-=
-</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><div =
class=3D"gmail_default" style=3D"color:#3333ff">I have never met Mr. Bernou=
li and when I said that pressure inside the car &quot;increased&quot; it wo=
uld indeed have been more accurate to say that pressure outside decreased d=
ue to the air molecules&#39; having to travel a greater distance,=C2=A0crea=
ting lift..=C2=A0 Fortunately the magnets&#39; force is stronger than the l=
ift and my side curtains no longer pop out at highway speeds.=C2=A0</div></=
div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On=
 Fri, Oct 22, 2021 at 1:29 PM WILLIAM B LAWRENCE &lt;<a href=3D"mailto:ynot=
ink@msn.com">ynotink@msn.com</a>&gt; wrote:<br></div><blockquote class=3D"g=
mail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">



<div>
<div>Actually the effect you are seeing is the Bernoulli effect. The air ou=
tside is moving faster than the air inside, which lowers the pressure outsi=
de causing the screens to move out. It=E2=80=99s the same thing that allows=
 airplanes to fly and sailboats to sail
 into the wind. The 100 doesn=E2=80=99t have a channel to hold the front of=
 the screen so I made a couple tabs of strap ally and mounted them under th=
e top hold down screws. Worked fine until my Moss side curtains fell apart.=
 Got them in waiting until I get a new set...</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"gmail-m_-2784075331299878739divRplyFwdMsg" dir=3D"ltr"><font fac=
e=3D"Calibri, sans-serif" style=3D"font-size:11pt" color=3D"#000000"><b>Fro=
m:</b> Healeys &lt;<a href=3D"mailto:healeys-bounces@autox.team.net"; target=
=3D"_blank">healeys-bounces@autox.team.net</a>&gt; on behalf of Michael Ori=
tt via Healeys &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_bla=
nk">healeys@autox.team.net</a>&gt;<br>
<b>Sent:</b> Friday, October 22, 2021 2:54 AM<br>
<b>To:</b> Jean Caron &lt;<a href=3D"mailto:vintage_roadster_restoration@ho=
tmail.com" target=3D"_blank">vintage_roadster_restoration@hotmail.com</a>&g=
t;<br>
<b>Cc:</b> Norman Hendry &lt;<a href=3D"mailto:Norman.Hendry@shaw.ca"; targe=
t=3D"_blank">Norman.Hendry@shaw.ca</a>&gt;; <a href=3D"mailto:healeys@autox=
.team.net" target=3D"_blank">healeys@autox.team.net</a> &lt;<a href=3D"mail=
to:healeys@autox.team.net" target=3D"_blank">healeys@autox.team.net</a>&gt;=
<br>
<b>Subject:</b> Re: [Healeys] BN7 Sidescreens - Screen Fitting Instructions=
</font>
<div>=C2=A0</div>
</div>
<div>
<div dir=3D"ltr">
<div dir=3D"ltr">
<div style=3D"color:rgb(51,51,255)">I believe that side curtains on roadste=
rs have a tendency to blow out due to increased pressure within the car, es=
pecially at speed.=C2=A0 Mounting and fitting the curtains perfectly so tha=
t they notch in behind
 the windshield stantions=C2=A0just enough to resist this force is not easy=
 and I came up an easy solution:=C2=A0 I mounted a 1&quot; square neodymium=
 magnet to the front inside upper corner of each curtain and a similar magn=
et to the rear face of each=C2=A0stantion using=C2=A0a small
 piece of angle in such a way that they are in their &quot;attraction&quot;=
 mode when the door is closed.=C2=A0 The magnets are more than powerful eno=
ugh to overcome the pressure from within the car and yet they release when =
the door is opened.=C2=A0=C2=A0</div>
<div style=3D"color:rgb(51,51,255)"><br>
</div>
<div style=3D"color:rgb(51,51,255)">I forget now my source but the magnets =
can be ordered with holes predrilled in their=C2=A0center and they are chro=
me-plated.</div>
<div style=3D"color:rgb(51,51,255)"><br>
</div>
<div style=3D"color:rgb(51,51,255)">Best--Michael Oritt, BN1</div>
</div>
<br>
<div>
<div dir=3D"ltr">On Thu, Oct 21, 2021 at 8:31 PM Jean Caron via Healeys &lt=
;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">healeys@autox.=
team.net</a>&gt; wrote:<br>
</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">
<div lang=3D"EN-CA">
<div>
<p>Norman, </p>
<p>I usually buy my own felt, a fairly thin and dense one, and cut my own g=
lass and make sure it fits rather tight, then you have to =E2=80=9Cpinch=E2=
=80=9D the glass in the channel at the top and bottom by tapping the divide=
r against the glass where it
 ends. </p>
<p><u></u>=C2=A0<u></u></p>
<p>Jean</p>
<p><u></u>=C2=A0<u></u></p>
<p>Sent from <a href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986"; t=
arget=3D"_blank">
Mail</a> for Windows</p>
<p><u></u>=C2=A0<u></u></p>
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p style=3D"border:none;padding:0cm"><b>From: </b><a href=3D"mailto:healeys=
@autox.team.net" target=3D"_blank">Norman Hendry via Healeys</a><br>
<b>Sent: </b>October 21, 2021 2:49 PM<br>
<b>To: </b><a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">heal=
eys@autox.team.net</a><br>
<b>Subject: </b>[Healeys] BN7 Sidescreens - Screen Fitting Instructions</p>
</div>
<p><u></u>=C2=A0<u></u></p>
<div>
<div>
<div>
<p><span style=3D"font-size:12pt;color:black">Went for a drive the other da=
y and as it was rather windy I fitted my new side screens for the first tim=
e and was impressed with the wind and noise protection they gave. Part of t=
he drive took
 me onto a highway and when I increased the speed to 100 km/h the fixed scr=
een on the drivers door blew out (thankfully there were no other cars aroun=
d me)<u></u><u></u></span></p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">=C2=A0<u></u><u></u></span></=
p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">Taking a closer look at the s=
ide screen frame and comparing it to the original side screen assemblies I =
noticed the following:<u></u><u></u></span></p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">1. The siding screen is in th=
e inner channel which has a felt U-section =E2=80=93 same as the originals<=
u></u><u></u></span></p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">2. The outer channel, for the=
 fixed screen is filled all-around with a high density felt which is just b=
elow the channel lip.=C2=A0 Is this right, as the felt blocks the drainage =
holes, the screen
 does not sit deep in the the channel, and the original side screens do not=
 have this felt?<u></u><u></u></span></p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">=C2=A0<u></u><u></u></span></=
p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">I have spent countless hours =
surfing the net, the archives, looking at parts books, and Gary Andersons r=
estoration guidelines and can=E2=80=99t find how the screens are fitted ins=
ide the frame so I would
 be really appreciative of help and guidance.<u></u><u></u></span></p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">=C2=A0<u></u><u></u></span></=
p>
</div>
<div>
<p><span style=3D"font-size:12pt;color:black">Thank you<u></u><u></u></span=
></p>
</div>
</div>
</div>
<div id=3D"gmail-m_-2784075331299878739x_gmail-m_-2686381919631930492DAB4FA=
D8-2DD7-40BB-A1B8-4E2AA1F9FDF2">
<p style=3D"margin-bottom:12pt"><u></u>=C2=A0<u></u></p>
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<p><u></u>=C2=A0<u></u></p>
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_______________________________________________<br>
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<div><br>
</div>
-- <br>
<div dir=3D"ltr"><font color=3D"#3333ff">Best--Michael</font></div>
</div>
</div>
</div>

</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature"><font color=3D"#3333ff">Best--Michael</font></di=
v>

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