[TowerTalk] RE: substitute for BMW Flex-disc ?

[Stuart Browne]

How are these "Hardy disc's" used with the rotor ?

Stu,
WH6H

Jan.E.Holm@telia.se wrote:

>      Correct, any will most definitly do. I use one from a Ford Granada
>      to rotatde a 80 foot crank up with multiple Yagi´s on it. By the
>      way a more correct name for this thing is a Hardy disk, at least
>      that´s what I have learnet.
>
>      73, Jim SM2EKM
>
>      By the way these things are not expensive at all, you can by them
>      new in this country for around $30. For little money they are a BIG
>      life saver for rotors.
>
> ------------------------------------------------------------------------
> --------------------------------
>
> -----Ursprungligt meddelande-----
> Från:   z.pitman@libertel.nl [SMTP:z.pitman@libertel.nl]
> Skickat:         den 16 februari 2000 10:00
> Till:   k4ar@arrl.net; towertalk@contesting.com
> Ämne:   VB: RE: [TowerTalk] substitute for BMW Flex-disc ?
>
> A Hyundai flex-disk ? ;-)
>
> Seriously speaking I think any flex-disk would do it. The torque a
> flex-disk
> has to handle during its normal operation is much greater than on any
> ham
> installation. Under my 5 ele 20m Yagi I have one, which was taken out
> from
> my mom's Opel Corsa (1.1 l engine) after being used for 10 years in the
> car.
> It's functioning perfectly.
>
> 73 de Zoli HA1AG
>
> > Hi All,
> >
> > I am building another shock-dampener per
> > Leeson's "Physical Design of Yagi Antennas"
> > and was rudely shocked at the price of BMW
> > Flex-disc ...$74 !  Last one I bought was $40.
> >
> > Does anyone know of a inexpensive alternative ?
> >
> > Thanks, Bert - K4AR
>
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