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I've found stainless steel whip material almost impossible to source in
Adelaide. If you do find it, they invariably have a minimum order
value of *here insert suitably outrageous figure* ($100 was seriously
stated by one crowd).<br>
<br>
Consequently I use 3.2 mm Nickel Bronze gas welding rod as the tuning
spike for my whips, both home brew, and also in a couple on instances
to pull commercial whips down to a lower frequency. This size was spot
on for my Mobile One whips. I've successfully dragged a 20 metre whip
down to 30 metres doing this and also fiddled amateur whips onto RFDS
slots when there was a need to do so.<br>
<br>
Nickel Bronze is quite weather resistant, and has sufficient spring in
it to hold its straightness under normal road speeds. The stuff I use
was from CIG and was packaged in a plastic tube with 8 rods, each 750
mm long. (It was a very long time ago, but is still a current stock
item) I have no idea what the cost would be today. Try any welding
supplies place - they should have them, or better still try and
scrounge a single rod from a local welding outfit if you can.<br>
<br>
73,<br>
Terry<br>
VK5ATN<br>
<br>
<br>
<br>
Damien Gardner Jnr wrote:
<blockquote cite="mid:AC72F03D-52B5-4EDB-9993-ECB1A7D670CE@rendrag.net"
type="cite">Hi Folks,
<div><br>
</div>
<div>I have a mobileone 30m whip on the car for HF APRS - it's a
bloody great little (well, not so little :-p) antenna, but I'm having
hell getting a replacement tip for it.. M1 have been nice enough to
send me a couple of replacements, but one was too short, and the other,
the envelope arrived without the tip! (actually the envelope arrived
without the tip inside on the first one too, but the envelope and tip
were in an Auspost envelope.. this latest one, there was just no tip in
either envelope!) Seems Auspost don't have any testing of envelopes
before they go into the sorting machines, to see if they'll actually
BEND..which is a bit bizarre.. - I've shipped THOUSANDS of LED's simply
in an envelope with a sheet of thin card either side, and never had a
complaint from customers..</div>
<div><br>
</div>
<div>So anyway.. - I really don't want to hassle M1 any more.. - they
don't seem to want to tell me what the tip is (i.e. what type of steel,
what diameter), so wondering if anyone else has had to replace the tip
on their M1 whip themselves, and happens to know what I'm asking
metaland to order in for me?</div>
<div><br>
</div>
<div>Cheers,</div>
<div><br>
</div>
<div>Damien</div>
<div><br>
<div><span class="Apple-style-span"
style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;">
<div>Damien Gardner Jnr<br>
VK2TDG. Dip EE. GradIEAust<br>
<a moz-do-not-send="true" href="mailto:rendrag@rendrag.net">rendrag@rendrag.net</a>
- <a moz-do-not-send="true" href="http://www.rendrag.net/">http://www.rendrag.net/</a><br>
--<br>
We rode on the winds of the rising storm,<br>
We ran to the sounds of thunder.<br>
We danced among the lightning bolts,<br>
and tore the world asunder</div>
</span></div>
<br>
</div>
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