[Towertalk] Big Wheel Antenna or better

[Richard Karlquist]

This is from the 3rd edition (1972)
of the ARRL VHF Manual, p198-9:

Developed by W1FVY and W1IJD

Consists of 3 elements, each 
element made of 1 wavelength
of wire.  The elements are
formed into (non-circular) loops.
The loops are in the horizontal
plane, and oriented at 120? angles,
like a cloverleaf.  The loops
are driven in parallel with each
other, and in parallel with a
matching stub.  It is "nearly 
as effective in all directions
as a horizontal 1/2 wl dipole
in its favored directions."

They suggest stacking them to
get omni gain.

For 10 meters, the total diameter
would be 20 feet.  It easily
covers the 2 meter band and then
some, so it might be OK on 10,
which is twice the BW.

Hope that helps.  I don't know
anything about the big wheel:  I'm just
reading to you from the book.
It occurs to me that it might
basically act like a circular
loop fed in 3 places with
open wire line.

Rick Karlquist    N6RK
richard@karlquist.com
www.n6rk.com
www.karlquist.com 

> -----Original Message-----
> From: towertalk-admin@contesting.com
> [mailto:towertalk-admin@contesting.com]On Behalf Of Chris BONDE
> Sent: Friday, July 12, 2002 9:07 PM
> To: Ffive VHN
> Cc: towertalk@contesting.com
> Subject: Re: [Towertalk] Big Wheel Antenna or better
> 
> 
> Is this similat to the FERRIS WHEEL?  This was an octagon 
> loop antenna with 
> a special match capacitor, if I remember correctly from y readings.
> 
> Chris opr VE7HCB
> 
> 
> At 10:02 AM 2002-07-01 +0100, Ffive VHN wrote:
> >'ello,
> >I'm looking for design info (any frequency) on the BIG
> >WHEEL antenna, radiation patterns and stacking info.
> >
> >I was told about one recently and am now thinking
> >about building one for 10M.
> >For some reason it does not appear in any of my
> >(numerous) antenna books. Why ?
> >Does it have another name ?
> >Is the design that old/new ?
> >
> >If it is an old design is there anything better now?
> >I'm looking for an omni with gain (Horizontal?/
> >vertical?).
> >
> >I've searched on the net (google) but can only find
> >adverts for a manufactured product in Germany.
> >
> >Thanks in advance
> >Robert
> >F5VHN@yahoo.com
> >
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