[TowerTalk] Yagi Stress or Yagi Mechanical

Stan Stockton wa5rtg at gmail.com
Tue Nov 9 17:28:26 EST 2021


Anyone out there proficient with YagiStress who could give me a little
help.  I want to check some numbers before cutting tubing to make some 40m
verticals and unfortunately don't have the software with me on this
computer.  Not looking to withstand a hurricane but might as well make it
as good as possible, preferably without double walling anything.  Tried to
use the trial version of Yagi Mechanical but without reading instructions
couldn't figure out what to do.  Could use YagiStress in my sleep after
using it for perhaps 500 hours over the last 30 years..

These numbers add to 36.5 feet.  I can make any of the 33 inch pieces 69
inches.  The only one that might be fixed is the 1.75.  I think I have
about 5-6 feet of it.

1.75       .200                 30                         30
1.50       .058                 69                         72
1.375     .058                 33                           36
1.25       .058                 33                           36
1.00       .058                 33                            36
.875       .058                 33                            36
.75         .058                 33                            36
.625        .058                33                           36
.500        .058                69                            72
.375        .058                69                            72

Hoping someone can give me some help.

Thanks...Stan, ZF9CW


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