Commitment…
The scary part… drilling begins.
The lever arrangement was also used to hold a board under the roof, both to prevent any roof flexing while drilling, and to provide a block into which the hole saw could cleanly cut
Ham Radio . Magnum Experimentum
Antennas, experiments, engineering and other articles of interest to radio folks.
Commitment…
The scary part… drilling begins.
The lever arrangement was also used to hold a board under the roof, both to prevent any roof flexing while drilling, and to provide a block into which the hole saw could cleanly cut
