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Date: Tue, 13 Nov 2012 13:45:13 +1030
Message-ID: <CACfuv3OXmZM5ZhrvAa6+Ygrh5d92oDUMDQ=NLTxYXR=GH=n...@mail.gmail.com>
Subject: Re: [HACK-ADL] rethinking the air cannon
From: Fee Plumley <f...@technoevangelist.net>
To: hackerspace-adelaide@googlegroups.com
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you say decommissioning ... can't you keep it (or something like it) for
Mini Maker Faire?!

and please video any tests or reversioning experiments ;P


On 13 November 2012 13:25, Steven Pickles <thatpix...@gmail.com> wrote:

>
>
> On 13 November 2012 13:13, Kim Hawtin <kimhaw...@gmail.com> wrote:
>
>> hi pix,
>>
>> On Tue, Nov 13, 2012 at 12:40 PM, Steven Pickles <thatpix...@gmail.com>
>> wrote:
>> > just thinking out loud...
>> 8<
>>
>
> meep meep ?
>
>
>> > ... of course, doing this will compress all of the failure points into
>> > whatever arrangement we come up with for connecting the valve to the
>> > compressor. i might make sense to buy an appropriate valve instead.
>>
>> what is the flow rate of your air compressor?
>> usually in cubic feet per minute (CFM).
>> i've also seen liters per second.
>> although not sure whats the most common.
>>
>
> i kind of doubt that such figures are quoted in the manual of the one we
> got from bunnings but i'll have a look... however:
>
>
>> so, what is the flow rate you need to launch ... things?
>>
>
> no idea. and surely you realise that it would be much more fun to test
> than do all this thinkin' :)
>
>
>> is there any compressed air storage in the current setup?
>
>
> yep, two big PVC tubes (rated to 150psi for water, not gas - hence
> silently terrifying), with wide ~1" openings for high flow.
>
> pix
>
> --
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-- 

Fee Plumley

*>>** CROWDFUNDING SUCCESSFUL <http://pozible.com/reallybigroadtrip>!
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you say=C2=A0decommissioning=C2=A0... can&#39;t you keep it (or something l=
ike it) for Mini Maker Faire?!<div><br></div><div>and please video any test=
s or reversioning experiments ;P</div><div><br><br><div class=3D"gmail_quot=
e">On 13 November 2012 13:25, Steven Pickles <span dir=3D"ltr">&lt;<a href=
=3D"mailto:thatpix...@gmail.com" target=3D"_blank">thatpix...@gmail.com</a>=
&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><br><br><div class=3D"gmail_quote"><div clas=
s=3D"im">On 13 November 2012 13:13, Kim Hawtin <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:kimhaw...@gmail.com" target=3D"_blank">kimhaw...@gmail.com</a>&=
gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
hi pix,<br>
<br>
On Tue, Nov 13, 2012 at 12:40 PM, Steven Pickles &lt;<a href=3D"mailto:that=
pix...@gmail.com" target=3D"_blank">thatpix...@gmail.com</a>&gt; wrote:<br>
&gt; just thinking out loud...<br>
8&lt;<br></blockquote><div><br></div></div><div>meep meep ?</div><div class=
=3D"im"><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:=
0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>&gt; ... of course, doing this will compress all of the failure points=
 into<br>
&gt; whatever arrangement we come up with for connecting the valve to the<b=
r>
&gt; compressor. i might make sense to buy an appropriate valve instead.<br=
>
<br>
</div>what is the flow rate of your air compressor?<br>
usually in cubic feet per minute (CFM).<br>
i&#39;ve also seen liters per second.<br>
although not sure whats the most common.<br></blockquote><div><br></div></d=
iv><div>i kind of doubt that such figures are quoted in the manual of the o=
ne we got from bunnings but i&#39;ll have a look... however:</div><div clas=
s=3D"im">
<div>=C2=A0</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
so, what is the flow rate you need to launch ... things?<br></blockquote><d=
iv><br></div></div><div>no idea. and surely you realise that it would be mu=
ch more fun to test than do all this thinkin&#39; :)=C2=A0</div><div class=
=3D"im">
<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex">

is there any compressed air storage in the current setup?</blockquote><div>=
<br></div></div><div>yep, two big PVC tubes (rated to 150psi for water, not=
 gas - hence silently terrifying), with wide ~1&quot; openings for high flo=
w.=C2=A0</div>

<div><br></div><div>pix</div></div><div class=3D"HOEnZb"><div class=3D"h5">

<p></p>

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</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
<div><br></div><div>Fee Plumley</div><div><br></div><div><b>&gt;&gt;</b><b>=
=C2=A0<a href=3D"http://pozible.com/reallybigroadtrip" target=3D"_blank">CR=
OWDFUNDING SUCCESSFUL</a>! reallybigroadtrip can get a bus!=C2=A0</b><b>&lt=
;&lt;</b></div>
<div><br></div><div>Digital Nomad at=C2=A0<a href=3D"http://reallybigroadtr=
ip.com/" style=3D"color:rgb(17,85,204)" target=3D"_blank">http://reallybigr=
oadtrip.com</a>=C2=A0- making &amp; sharing geek arts across Australia.</di=
v><div>Head Geek at=C2=A0<a href=3D"http://technoevangelist.net/" style=3D"=
color:rgb(17,85,204)" target=3D"_blank">http://technoevangelist.net</a>=C2=
=A0- spreading the word of geek since 1996.</div>
<div><br></div><div>Chat via=C2=A0<a href=3D"http://twitter.com/feesable" t=
arget=3D"_blank">twitter</a>,=C2=A0<a href=3D"http://www.facebook.com/reall=
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<br>
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