[TowerTalk] Cushcraft D4 Rotatable Dipole Assistance Please

[DavidC]

I downloaded the D3W (12, 17, 30m) manual.  I'm guessing
I could add something to the trap lengths for the D4 10, 15 and 
20m traps.

Should I anticipate interaction problems?  Perhaps that is
why Cushcraft didn't offer a 12, 17, 30, 40m version?

- Thanks! & 73, DavidC  K1YP in Hudson, FL

************************************************************************

> David,
> 
> I had the D40 rotatable dipole for 40m.  I modified it to work on 30
> meters by
> 
> 1) shorting out the two traps with aluminium wire and stainless steel
> hose clamps.
> 2) extending the total length about 14" on each side with aluminium
> wire and hose clamps.
> 3) capacity hats were left on.
> 
> 
> Worked fine.  It was easily reversible.
> 
> Don't know about the D4 but something similar should work.  Overall
> length when done about 45' +/-
> 
> 73 de Brian/K3KO
> 
>  
> 
> DavidC wrote:
> > 
> > Just acquired a Cushcraft D4 Rotatable Dipole (10, 15, 20, 40m),
> > it was only $10. and in nice shape, couldn't resist!
> > 
> > Anyone have suggestions as to strengthening and/or optimizing
> > this antenna? Does Cushcraft stock replacement trap caps and
> > insulator blocks for older antennas? (I have E-mailed Cushcraft.)
> > 
> > I am guessing it will see most service here on 40m since I plan
> > a stacked pair of tri-banders for 10-15-20.
> > 
> > Perhaps it could be modified for 12, 17, 30, 40?
> > 
> > I have searched the Internet, including DejaNews, but have found
> > little information about the D4 World Ranger.
> > 
> > - Thanks! & 73, DavidC K1YP in Hudson, FL


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