From: Rik Strobbe <Rik.Strobbe@fys.kuleuven.be>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
Date: Thu, 10 Feb 2011 14:13:48 +0100
Thread-Topic: LF: how to get ground rod ressitance low
Thread-Index: AcvJIKUDk7iNY8q9SK67tYD1p0aDKgAAb2XJ
Message-ID: <BF4A524700075746A6467658DFC7102C88B050FE74@ICTS-S-EXC2-CA.luna.kuleuven.be>
References: <4D53AE84.6932.312944@jurgenb2.3sdesign.de>
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Subject: RE: LF: how to get ground rod ressitance low
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Hi, When discussing earthing systems using 15mm pipe a friend said that
they connected a garden hose to the end of the pipe and ran water
through whilst pushing the pipe in. I believe they got further than a mete=
r.



Clive,



that's the way I got my 2.5m steel pipes into the ground. I works fine as=
 long as you don't hit rocks.

But beware of a "China syndrome" :

After "flushing" the pipe into the ground it is best to secure the pipe fo=
r some days/weeks as the pipe will keep sinking even after you stop flowin=
g water.

I found out after I got the first 2.5m pipe into the ground, leaving the=
 end about 10 cm above the ground. I went to the water tap to close the wa=
ter flow and by the time I returned to the pipe is had disapeared. Luckily=
 the water hose was still connected to the pipe, so I could pull it up. Th=
e pipe had sunk about 30cm in less than a minute !



73, Rik  ON7YD

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<p><em><font color=3D"#0000ff">Hi, When discussing earthing systems using=
 15mm pipe a friend said that<br>
they connected a garden hose to the end of the pipe and ran water<br>
through whilst pushing the pipe in. I believe they got further than a mete=
r.</font></em></p>
<p><em><font color=3D"#0000ff" face=3D"times new roman"></font></em>&nbsp;=
</p>
<p><font face=3D"times new roman">Clive,</font></p>
<p><font face=3D"times new roman"></font>&nbsp;</p>
<p><font face=3D"times new roman">that's the way I got my 2.5m steel pipes=
 into the ground. I works fine as long as you don't hit rocks.</font></p>
<p><font face=3D"times new roman">But beware of a &quot;China syndrome&quo=
t; :</font></p>
<p><font face=3D"times new roman">After &quot;flushing&quot; the pipe into=
 the ground it is best to secure the pipe for some days/weeks as the pipe=
 will keep sinking&nbsp;even after you stop flowing water.
</font></p>
<p><font face=3D"times new roman">I found out after I got the first 2.5m=
 pipe into the ground, leaving the end about 10 cm above the ground. I wen=
t to the water tap to close the water flow and by the time I returned to=
 the pipe is&nbsp;had disapeared. Luckily the
 water hose was still connected to the pipe, so I could pull it up. The pi=
pe had sunk about 30cm in less than a minute !&nbsp;</font></p>
<p><font face=3D"times new roman"></font>&nbsp;</p>
<p><font face=3D"times new roman">73, Rik&nbsp; ON7YD</font></p>
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