Home |
Search |
Today's Posts |
|
#1
![]() |
|||
|
|||
![]() |
#2
![]() |
|||
|
|||
![]()
On Mon, 16 Aug 2004 18:50:58 GMT, Richard Clark wrote:
If you want a hard, hard wax, visit a dental supplier, or a nearby laboratory. They use very hard waxes for investment molds. Or they used to.... Or maybe a production machine shop. They frequently use a nice hard wax to proof CNC programs... -- -fb- |
#3
![]() |
|||
|
|||
![]() "Richard Clark" wrote in message ... On 16 Aug 2004 11:11:54 -0700, (SpamHog) wrote: I have a low-power 4:1 toroid balun almost ready in a little plastic box. In order to keep the rain out, ... Is there any electrical con to be considered? Hi OM, It increases the input to output capacity (reduces isolation). Use the lid to keep the rain out. Invest your time in its seal. If you want a hard, hard wax, visit a dental supplier, or a nearby laboratory. They use very hard waxes for investment molds. Or they used to.... 73's Richard Clark, KB7QHC It is almost impossible to keep all moisture out. This will condense when the temperature drops. Drill some very small drain holes in the bottom (after you have sealed it the best you can). Tam/WB2TT |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
![]() |
||||
Thread | Forum | |||
Balun Grounding Question ? | Antenna |