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<p>I agree with James here. I will relate a "funny" story about a
neighbor mounting a large Elk antler rack on his wall with lags.
Worked fine, till one night they heard a big crash, and the
antlers had pulled the wall stud right out of the wall into the
living room. The 2x 4 came right out of the rest of the wall, the
couple of nails at the top plate were not enough. <br>
</p>
<p>I'd say either you beef up all your stud to stud connections with
serious reinforcing angle brackets, or just use a floor rack.
That's way too much weight to hang on a wall. I think its
actually really bad design, and don't understand why battery manus
would even make wall mounts. It brings up a 2nd question, which
is how to make all the connections without having exposed cables.
<br>
</p>
<p>I'd actually consider something like the Fortress instead.<br>
</p>
<div class="moz-cite-prefix">On 9/6/2022 8:38 AM, James Jarvis via
RE-wrenches wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAFWEuYWj=JRBvBGGjFrpokVDy9N5hu+M7qEU1+5xA3-bj+Ti9g@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">Buckling of the wall studs is most likely going to
be the failure mode. You can use WebStructural to look at
different designs. You'll find that accurately defining the
constraints on the structural members is the most troublesome.
<div><a href="https://webstructural.com/" moz-do-not-send="true"
class="moz-txt-link-freetext">https://webstructural.com/</a></div>
<div><br>
</div>
<div>Personally, I don't think that supporting a couple of
thousand pounds of dead load hanging off the sides of $2 studs
fastened with unknown fasteners into unknown top and bottom
plates is a super great idea. I would do it on a poured
concrete wall, but this sounds like it is asking for trouble.</div>
<div><br>
</div>
<div><br clear="all">
<div>
<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr">
<div>-James Jefferson Jarvis<br>
APRS World, LLC<br>
+1-507-454-2727<br>
</div>
<a href="http://www.aprsworld.com/" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">http://www.aprsworld.com/</a><br>
</div>
</div>
</div>
<br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Sep 6, 2022 at 9:30 AM
Jason Szumlanski via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
moz-do-not-send="true" class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="auto">2x4 studs have compressive force to hold up
over 1,000 pounds each when constructing a load bearing
wall, so I don't think that is a limiting factor. But I am
not a structural engineer, so consulting one would not be a
bad idea.
<div dir="auto"><br>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">Jason</div>
<div dir="auto"><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Sep 6, 2022, 10:21
AM Chris Sparadeo <<a
href="mailto:sparadeo.chris@gmail.com" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">sparadeo.chris@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div dir="auto">Thanks Jason,</div>
<div dir="auto"><br>
</div>
<div dir="auto">I’m still wondering if there is an IBC
reference for weight. The Discover manual only states:</div>
<div dir="auto"><br>
</div>
<div dir="auto">“ For structural and seismic stability,
the AES Battery must be mounted onto a vertical
supporting surface strong enough to support a minimum of
227 kg (500 lbs) per battery. Failure to follow these
instructions can result in death or serious injury.”</div>
<div dir="auto"><br>
</div>
<div dir="auto">Other than asking a structural engineer,
how can I be sure that the wall is rated to 4,500 lbs? </div>
<div><br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Sep 6, 2022
at 9:20 AM Jason Szumlanski via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
rel="noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px
0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div dir="auto">That won't be a problem as long as
they are spread across several studs. Even 2x4
studs would be fine. Check the installation manual
for details. The shear and pull out strength of
the fasteners will be the limiting factor, not the
wall itself unless very poorly constructed.
<div dir="auto"><br>
</div>
<div dir="auto"><a
href="https://assets.discoverbattery.com/documents/03_aes/805_product_manual/gui-aes-wall-mount-bracket-installation-guide.pdf"
rel="noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">https://assets.discoverbattery.com/documents/03_aes/805_product_manual/gui-aes-wall-mount-bracket-installation-guide.pdf</a></div>
<div dir="auto"><br>
</div>
<div dir="auto">Jason Szumlanski</div>
<div dir="auto">Florida Solar Design Group </div>
<div dir="auto"><br>
</div>
<div dir="auto"><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Sep 6,
2022, 8:59 AM Chris Sparadeo via RE-wrenches
<<a
href="mailto:re-wrenches@lists.re-wrenches.org"
rel="noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">re-wrenches@lists.re-wrenches.org</a>>
wrote:<br>
</div>
</div>
<div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0px
0px 0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">Hi all,
<div dir="auto"><br>
</div>
<div dir="auto">I have a project where I am
contemplating hanging 9 Discover AES batteries
on a wall. Each battery is around 200 lbs, and
although the stud wall is a bulky 2”x6” with
16” OC…I have apprehensions that hanging
almost a ton of battery on the wall is a good
idea. I’ve seen it done in other install
photos, however I can’t seem to find and good
building code that would inform my decision. </div>
<div dir="auto"><br>
</div>
<div dir="auto">Does anyone out there have a
building code reference or experience that
might help? </div>
<div dir="auto"><br>
</div>
<div dir="auto">Thanks!</div>
<div dir="auto"><br>
</div>
<div dir="auto">-Chris </div>
-- <br>
<div dir="ltr">
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<div dir="ltr">
<div>Chris Sparadeo</div>
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