Subject: Re: [Shop-talk] power hatch opener/closers

From: Pat Horne <[email-masked]>
Date: Fri, 30 Jul 2021 23:50:50 -0500

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All actuators I=E2=80=99ve seen have been screw & nut but I suppose there co=
uld be some kind of override to allow it to be opened or closed manually in a=
n emergency. I=E2=80=99ll have to look into that one.=20

You say it=E2=80=99s internet. In what way?

Peace,
Pat

Pat Horne=20
We support Habitat for Humanity

On Jul 30, 2021, at 10:42 PM, John T. Blair <[email-masked]> wrote:

=EF=BB=BF=20
Gang,

You all were so great at my last question, I've got another one for you.

Anyone know how these power hatch opener & closers work?  A neighbor said sh=
e
went to pick something up and told the person putting it in the back of her S=
UV
NOT to close the hatch, she'd get it.  But the person grabbed the hatch and p=
ulled
it down.  Ever since it has been intermittant.

I went looking for any info I could find on how they work and I couldn't fin=
d=20
anything.  I was thinking there were linear actuactors.  But if that were th=
e case
I don't think they should have been able to close the hatch manually.  I tho=
ugh
a linear actuactor was basically a long bolt (all thread) attached to a moto=
r with a
nut that was attached to the item you wanted to more.  If that's the case, t=
hen
you shouldn't be able to force the hatch closed as the nut would not slide o=
n the=20
rod and the rod wouldn't turn to let the nut slide down.

So what's in those tubes?  =46rom what I can tell, one is an assist strut (I=
'm=20
assuming gas filled) and the other is the actual lifting/closing unit.

John

 =09
This email has been checked for viruses by Avast antivirus software.=20
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John T. Blair  WA4OHZ     email:  [email-masked]
Va. Beach, Va                  Phone:  (757) 495-8229

          48 TR1800    48 #4 Midget    65 Morgan 4/4 Series V (B1106)
     75 Bricklin SV1 (#0887)    77 Spitfire    71 Saab Sonett III
                       65 Rambler Classic

Morgan:    www.team.net/morgan
Bricklin:     www.bricklin.org

If you can read this             - Thank a teacher!
If you are reading it in English - Thank a Vet!!

=46rom Dennis Prager - The American Trilogy:
     e pluribus Unum, "from many, one."
     In God We Trust
     Liberty - the  power  of  choosing,  thinking,  and  acting  for=20
                  oneself; freedom  from  control  or  restriction=20

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">All actuators I=E2=80=99ve seen have been s=
crew &amp; nut but I suppose there could be some kind of override to allow i=
t to be opened or closed manually in an emergency. I=E2=80=99ll have to look=
 into that one.&nbsp;<div><br></div><div>You say it=E2=80=99s internet. In w=
hat way?</div><div><br></div><div>Peace,</div><div>Pat<br><br><div dir=3D"lt=
r">Pat Horne&nbsp;<div>We support Habitat for Humanity</div><div><br></div><=
/div><div dir=3D"ltr"><br>On Jul 30, 2021, at 10:42 PM, John T. Blair &lt;jb=
[email-masked]&gt; wrote:<br><br></div><div dir=3D"ltr">=EF=BB=BF

<font size=3D"3"><br>
Gang,<br><br>
You all were so great at my last question, I've got another one for
you.<br><br>
Anyone know how these power hatch opener &amp; closers work?&nbsp; A
neighbor said she<br>
went to pick something up and told the person putting it in the back of
her SUV<br>
NOT to close the hatch, she'd get it.&nbsp; But the person grabbed the
hatch and pulled<br>
it down.&nbsp; Ever since it has been intermittant.<br><br>
I went looking for any info I could find on how they work and I couldn't
find <br>
anything.&nbsp; I was thinking there were linear actuactors.&nbsp; But if
that were the case<br>
I don't think they should have been able to close the hatch
manually.&nbsp; I though<br>
a linear actuactor was basically a long bolt (all thread) attached to a
motor with a<br>
nut that was attached to the item you wanted to more.&nbsp; If that's the
case, then<br>
you shouldn't be able to force the hatch closed as the nut would not
slide on the <br>
rod and the rod wouldn't turn to let the nut slide down.<br><br>
So what's in those tubes?&nbsp; =46rom what I can tell, one is an assist
strut (I'm <br>
assuming gas filled) and the other is the actual lifting/closing
unit.<br><br>
John<br><br>
</font><div id=3D"DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2">
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<br>
<div>John T. Blair&nbsp; WA4OHZ&nbsp;&nbsp;&nbsp;&nbsp; email:&nbsp;
[email-masked]</div>
<div>Va. Beach,
Va&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;
Phone:&nbsp; (757) 495-8229</div>
<br>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 48
TR1800&nbsp;&nbsp;&nbsp; 48 #4 Midget&nbsp;&nbsp;&nbsp; 65 Morgan 4/4
Series V (B1106)</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp; 75 Bricklin SV1 (#0887)&nbsp;&nbsp;&nbsp;
77 Spitfire&nbsp;&nbsp;&nbsp; 71 Saab Sonett III</div>
<div>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
65 Rambler Classic</div>
<br>
<div>Morgan:&nbsp;&nbsp;&nbsp;
<a href=3D"http://www.team.net/morgan" eudora=3D"AUTOURL">
www.team.net/morgan</a></div>
<div>Bricklin:&nbsp;&nbsp;&nbsp;&nbsp;
<a href=3D"http://www.bricklin.org/" eudora=3D"AUTOURL">www.bricklin.org</a>=

</div>
<br>
<div>If you can read
this&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=

- Thank a teacher!</div>
<div>If you are reading it in English - Thank a Vet!!</div>
<br>
<div> =46rom Dennis Prager - The American Trilogy:</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp; e pluribus Unum, "from many,
one."</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp; In God We Trust</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp; Liberty - the&nbsp; power&nbsp; of&nbsp;
choosing,&nbsp; thinking,&nbsp; and&nbsp; acting&nbsp; for&nbsp; </div>
<div>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;
oneself; freedom&nbsp; from&nbsp; control&nbsp; or&nbsp;
restriction&nbsp; </div>
<br>
<br>

<span>_______________________________________________</span><br><span></span=
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From: Shannah Miller <[email-masked]>
Date: Fri, 30 Jul 2021 22:52:34 -0700

--===============8125393576496141059==

--000000000000f1324005c864f1ab

My spouse and I discussed it, since I have a car with
one of those closers, too.  We came up with a small
list of possible causes:
1. Messed up screw threads that cause it to "miss" and not
       close well
2. Could it be a bent latch?
3. Is the switch/actuator working properly?
4. Maybe the sensor to tell when it's shut completely is
      misaligned, or damaged, and thinks it's shut when
      it isn't?
When you find the problem, I'd be interested to hear
what it was.

Shannah
2018 Buick Envision "The Moose"

On Fri, Jul 30, 2021 at 8:41 PM John T. Blair <[email-masked]> wrote:

> Anyone know how these power hatch opener & closers work?  A neighbor said
> she
> her SUV
> NOT to close the hatch, she'd get it.  But the person grabbed the hatch
> and pulled
> find
> anything.  I was thinking there were linear actuactors.  But if that were
> the case
> I don't think they should have been able to close the hatch manually.  I
> though
> motor with a
> nut that was attached to the item you wanted to more.  If that's the case,
> then
> you shouldn't be able to force the hatch closed as the nut would not slide
> on the
> So what's in those tubes?  From what I can tell, one is an assist strut
> (I'm
> ------------------------------
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> This email has been checked for viruses by Avast antivirus software.
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> <#m_5298863878289192855_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> From Dennis Prager - The American Trilogy:
>      Liberty - the  power  of  choosing,  thinking,  and  acting  for
>                   oneself; freedom  from  control  or  restriction
>
>
> Donate: http://www.team.net/donate.html
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<div dir=3D"ltr"><div>My spouse and I discussed it, since I have a car with=
</div><div>one of those closers, too.=C2=A0 We came up with a small</div><d=
iv>list of possible causes:</div><div>1. Messed up screw threads that cause=
 it to &quot;miss&quot; and not <br></div><div>=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 close well</div><div>2. Could it be a bent latch?</div><div>3. Is=
 the switch/actuator working properly?</div><div>4. Maybe the sensor to tel=
l when it&#39;s shut completely is</div><div>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
 misaligned, or damaged, and thinks it&#39;s shut when</div><div>=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 it isn&#39;t?</div><div>When you find the problem, I&=
#39;d be interested to hear</div><div>what it was.</div><div><br></div><div=
>Shannah</div><div>2018 Buick Envision &quot;The Moose&quot;<br></div></div=
><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fr=
i, Jul 30, 2021 at 8:41 PM John T. Blair &lt;<a href=3D"mailto:jblair1948@c=
ox.net">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gma=
il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2=
04,204);padding-left:1ex">
<div>
<font size=3D"3"><br>
Gang,<br><br>
You all were so great at my last question, I&#39;ve got another one for
you.<br><br>
Anyone know how these power hatch opener &amp; closers work?=C2=A0 A
neighbor said she<br>
went to pick something up and told the person putting it in the back of
her SUV<br>
NOT to close the hatch, she&#39;d get it.=C2=A0 But the person grabbed the
hatch and pulled<br>
it down.=C2=A0 Ever since it has been intermittant.<br><br>
I went looking for any info I could find on how they work and I couldn&#39;=
t
find <br>
anything.=C2=A0 I was thinking there were linear actuactors.=C2=A0 But if
that were the case<br>
I don&#39;t think they should have been able to close the hatch
manually.=C2=A0 I though<br>
a linear actuactor was basically a long bolt (all thread) attached to a
motor with a<br>
nut that was attached to the item you wanted to more.=C2=A0 If that&#39;s t=
he
case, then<br>
you shouldn&#39;t be able to force the hatch closed as the nut would not
slide on the <br>
rod and the rod wouldn&#39;t turn to let the nut slide down.<br><br>
So what&#39;s in those tubes?=C2=A0 From what I can tell, one is an assist
strut (I&#39;m <br>
assuming gas filled) and the other is the actual lifting/closing
unit.<br><br>
John<br><br>
</font><div id=3D"gmail-m_5298863878289192855DAB4FAD8-2DD7-40BB-A1B8-4E2AA1=
F9FDF2">
<br><br>
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<br>
<div>John T. Blair=C2=A0 WA4OHZ=C2=A0=C2=A0=C2=A0=C2=A0 email:=C2=A0
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]<=
/a></div>
<div>Va. Beach,
Va=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
Phone:=C2=A0 (757) 495-8229</div>
<br>
<div>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 48
TR1800=C2=A0=C2=A0=C2=A0 48 #4 Midget=C2=A0=C2=A0=C2=A0 65 Morgan 4/4
Series V (B1106)</div>
<div>=C2=A0=C2=A0=C2=A0=C2=A0 75 Bricklin SV1 (#0887)=C2=A0=C2=A0=C2=A0
77 Spitfire=C2=A0=C2=A0=C2=A0 71 Saab Sonett III</div>
<div>
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
65 Rambler Classic</div>
<br>
<div>Morgan:=C2=A0=C2=A0=C2=A0
<a href=3D"http://www.team.net/morgan" target=3D"_blank">
www.team.net/morgan</a></div>
<div>Bricklin:=C2=A0=C2=A0=C2=A0=C2=A0
<a href=3D"http://www.bricklin.org/" target=3D"_blank">www.bricklin.org</a>
</div>
<br>
<div>If you can read
this=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0
- Thank a teacher!</div>
<div>If you are reading it in English - Thank a Vet!!</div>
<br>
<div> From Dennis Prager - The American Trilogy:</div>
<div>=C2=A0=C2=A0=C2=A0=C2=A0 e pluribus Unum, &quot;from many,
one.&quot;</div>
<div>=C2=A0=C2=A0=C2=A0=C2=A0 In God We Trust</div>
<div>=C2=A0=C2=A0=C2=A0=C2=A0 Liberty - the=C2=A0 power=C2=A0 of=C2=A0
choosing,=C2=A0 thinking,=C2=A0 and=C2=A0 acting=C2=A0 for=C2=A0 </div>
<div>
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0
oneself; freedom=C2=A0 from=C2=A0 control=C2=A0 or=C2=A0
restriction=C2=A0 </div>
<br>
<br>

_______________________________________________<br>
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