[amsat-bb] Screw threads on Arrow?

Diane Bruce db at db.net
Wed Aug 5 17:00:55 UTC 2015


On Wed, Aug 05, 2015 at 12:51:15PM -0400, David wrote:
> So you guys got me thinking, after looking at these elements and measuring
> it realized something... these look like Aluminum Arrow shafts, and the
> inserts might be the arrow broadhead insert.. which all parts are readily
> available at most sporting good stores for building you own arrows (yes I am
> a hunter and used to bow hunt)

The commercialised Arrow design was based upon an article on using
arrow shafts in an antenna. 

Not a surprise at all. ;)

> 
> I will double check this and let you all know, I'll have to do this later
> today after I'm off work.. but if this is the case replacements should be
> very easily created.
> 
> David,  KK4QOE
> 
> -----Original Message-----
> From: David [mailto:dwarnberg at verizon.net] 
> Sent: Wednesday, August 05, 2015 12:39 PM
> To: 'David'; 'Diane Bruce'
> Cc: amsat-bb at amsat.org; 'Don Hoover (WS4E)'
> Subject: RE: [amsat-bb] Screw threads on Arrow?
> 
> Actually I found it online.. here is the link...
> http://www.arrowantennas.com/parts/p146437-10.html
> 
> David, KK4QOE 
> 
> -----Original Message-----
> From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of David
> Sent: Wednesday, August 05, 2015 12:33 PM
> To: 'Diane Bruce'
> Cc: amsat-bb at amsat.org; 'Don Hoover (WS4E)'
> Subject: Re: [amsat-bb] Screw threads on Arrow?
> 
> Ahh yes, my mistake... Anyway there is a spare parts list that came with the
> antenna (I have it) but it does not list size, it says 2 - 1/4 stud.. but
> that does not answer your question..
> 
> If you need this list or would like it I can scan it and post it or send it
> to you..
> 
> Sorry for the confusion
> 
> David, KK4QOE
> 
> -----Original Message-----
> From: Diane Bruce [mailto:db at db.net]
> Sent: Wednesday, August 05, 2015 11:58 AM
> To: David
> Cc: 'David Haworth'; 'Don Hoover (WS4E)'; amsat-bb at amsat.org
> Subject: Re: [amsat-bb] Screw threads on Arrow?
> 
> On Wed, Aug 05, 2015 at 11:29:08AM -0400, David wrote:
> > If I recall correctly they are the same size as a camera tripod.. so 
> > they would be a 1/4-20
> 
> I was going to answer this then realised he is really talking about the
> elements themselves? I've not looked yet.
> 
> > 
> > David, KK4QOE
> > 
> > -----Original Message-----
> > From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of David 
> > Haworth
> > Sent: Wednesday, August 05, 2015 11:03 AM
> > To: Don Hoover (WS4E)
> > Cc: amsat-bb at amsat.org
> > Subject: Re: [amsat-bb] Screw threads on Arrow?
> > 
> > They look like 8-32
> > 
> > 
> > > On Aug 5, 2015, at 6:29 AM, Don Hoover (WS4E) <ws4e at arrl.net> wrote:
> > > 
> > > Does anyone know the screw size/threads used for the elements on the 
> > > dual band Arrow Antenna?
> > > 
> > > I have some that are a little bent and want to start looking for 
> > > replacements and maybe buy some spares as well.
> > > 
> > > Thanks.
> > > Don
> > > WS4E
> > > _______________________________________________
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> > 73,
> > Clear and dark skies without RFI,
> > David Haworth, WA9ONY
> > http://www.stargazing.net/david <http://www.stargazing.net/david> 
> > davidahaworth at icloud.com
> > 
> > 
> > 
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> > 
> > _______________________________________________
> > Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available 
> > to all interested persons worldwide without requiring membership.
> > Opinions expressed are solely those of the author, and do not reflect 
> > the
> official views of AMSAT-NA.
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> 
> --
> - db at FreeBSD.org db at db.net http://www.db.net/~db
> 
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available to all
> interested persons worldwide without requiring membership. Opinions
> expressed are solely those of the author, and do not reflect the official
> views of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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> 

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