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Posted by JIMMIE on March 11, 2008, 11:53 pm
> Nate Nagel wrote:
> > Oren wrote:
> >> On Tue, 11 Mar 2008 20:09:25 -0400, trader-of-some-jacks
>
>
> >>>> Do you have a door closure device? (looks like a shock absorber)
>
> >>>> Might need adjustment or replacement.
>
> >>> Yes, I've played with that using each possible permutation:
>
> >>> - a "winter" and "summer" setting for how the shaft mounts to the door=
> >>> (two holes for mounting, one for with screen, one for with storm
> >>> window)
>
> >>> - a screw-adjusted tension setting
>
> >>> On the most tension setting, the door will just slam when there's no
> >>> air resistance (like when the front door is open). =A0But with the fro=
nt
> >>> door closed, the storm door will come flying closed, then slow down
> >>> and stop =A0short of latching into the door frame.
>
> >>> Since I can set the closure device to essentially slam the door with
> >>> no shock absorbed "bounces" back, I assume that the door is closing
> >>> pretty hard. =A0Just not hard enough to latch.
>
> >>> Of course if I expose some screens on the door (the storm windows
> >>> retract into the door frame), that cuts the insulating ability of the
> >>> door. =A0Same if I remove weather stripping or the door sweep.
>
> >> With a =A0hydraulic cylinder; it should close and then snug the door to=
> >> the latch. (no portion of the door dragging on the sill?) Hinges are
> >> tight, etc....?
>
> >> I can only suggest the cylinder is leaking ...replace..
>
> > I've been doing the same dance; I've come to the conclusion that it's
> > simply not possible to have the storm door latch itself with the inside
> > door closed. =A0I have not found a closer with enough grunt to pull it
> > shut, it's due to the air building up between the doors - it slams
> > nicely with the inside door open.
>
> > nate
>
> Sounds like a market niche to me- an air valve for the door to vent the
> overpressure, but fall back shut once door latches? A little flapper in
> a tube, light enough that the moving door and air pressure buildup would
> hold it open, but heavy enough to fall back shut, and with a ring around
> it on outside, so that venturi effect of passing breeze wouldn't suck it
> open? There could be a screw-adjusted spring to adjust the tension. Or
> maybe build it right into the latch- a vent tube that would be closed
> once the striker cycles.
>
> For commercial doors, they have 2-stage closers, that keep pulling once
> main swing action is done. Never seen one for residential. People with
> problem doors usually self-train to take the extra second to force door
> latched when they go through it.
>
> Or if you like hillbilly engineering, there are all sorts of tricks you
> can do with magnets...
>
> (Sudden mental flashes of how old VW Beetle doors worked, at least until
> the rust holes in the floor happened. New ones were <tight>, and
> cracking a window did help. Probably not many left in that condition.)
>
> aem sends...- Hide quoted text -
>
> - Show quoted text -
My storm doors close,no problem, They have two closers on them, one on
the top and one on the bottom of the door.
Several years ago I bought a door that came like this and now I always
add a second closer if the door comes with just one.
Jimmie
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