[Antennas] 11 element to 8 element cushcraft mod
Duane Hofstetter
[email protected]
2002年6月27日 10:26:15 -0400
After searching through a pile of archived files on 1.44 floppies I finally
found this file. I had modifed my cushcraft about 7 years ago and had good
luck with it.. Many of the elements however didn't survive the move to NC. I
have spare elements but didn't have the dimensions. I have included the file
for anyone who would like it..
73s ke8bg
To do this conversion you need to remove 3 directors and trim one
director. The remaining 6 directors then must be respaced.
The directors with the lengths of 35 7/8", 35 5/8", & 35 3/8"
should be removed. The 35 1/8" director should be trimmed
the same amount on each side to a overall length of 34 3/4".
The remaining directors then should be respaced using the
drawing and dimensions below.
| | | | | | | |
| | | | | | | |
|Spacing|Spacing|Spacing|Spacing|Spacing|Spacing|Spacing|
| #7 | #6 | #5 | #4 | #3 | #2 | #1 |
|-------|-------|-------|-------|-------|-------|-------|
| | | | | | | |
| | | | | | | |
| | | | | | | |
| | | | | | | |
Dir Dir Dir Dir Dir Dir Driven Reflector
#6 #5 #4 #3 #2 #1 Element
Dimensions
----------
Reflector =3D 41" Spacing #1 =3D 14"
Driven Element =3D 38 - 38.5" Spacing #2 =3D 11 1/2"
Director #1 =3D 36" Spacing #3 =3D 16 1/2"
Director #2 =3D 35 3/4" Spacing #4 =3D 23"
Director #3 =3D 35 1/2" Spacing #5 =3D 23 1/8"
Director #4 =3D 35 1/4" Spacing #6 =3D 23 1/2"
Director #5 =3D 35" Spacing #7 =3D 30"
Director #6 =3D 34 3/4"
In cases of doubt about which elements are which refer to the
original Cushcraft assembly instructions.
=1A
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