[R-390] Variacs
rbethman
[email protected]
Tue, 22 Jul 2003 15:51:04 -0400
Les,
Very true! But most folks simply wire them the way shown in the
instructions. Since a variac is simply a variable auto transformer, it
definitely can provide voltages higher than the input
Bob Bethman - N0DGN
+-------------------------------+----------------------------------+
| N0DGN AMRadio Manassas, VA | Home Builder |
+-------------------------------+----------------------------------+
| Bob Bethman \\\|/// " The absence of a danger |
| [email protected] \\ ~ ~ // signal does *NOT* mean |
| (/ @ @ /) that everything is OK " |
+-------------------------oOOo-(_)-oOOo----------------------------+
| |
| 2 BC-610s w/BC-614s, 2 R-390As - 1 Collins 1 Eac |
| Heathkit DX-60, Apache, Mohawk, SX-101, HT-32A |
+------------------------------------------------------------------+
| Opinions expressed are that of my own and do not necessarily |
| coincide with or represent those of ANYONE else |
+------------------------------------------------------------------+
ALL E-mail received and sent scanned by AVG Anti-Virus software
Veenstra, Lester wrote:
>Of course, a variac can be wired so you cannot get a boost. That is, the output is always equal or less than the input, never higher.
> Les K1YCM/3
>
>-----Original Message-----
>From: Barry Hauser [mailto:[email protected]]
>Sent: Tuesday, July 22, 2003 2:50 PM
>To: [email protected]; [email protected]; [email protected]
>Subject: Re: [R-390] Variacs
>
>
>Les & Gang:
> Helpful -- maybe. But be careful of the variacs with a
>range switch, typically 0-120 and 0-140 volts nominal -- very nominal. More
>likely to be 0-130+ and 0-150+ with more typical input voltages. Keep it on
>the low range and put some tape over the switch.
>
>Barry
>
>
Bob Bethman - N0DGN
+-------------------------------+----------------------------------+
| N0DGN AMRadio Manassas, VA | Home Builder |
+-------------------------------+----------------------------------+
| Bob Bethman \\\|/// " The absence of a danger |
| [email protected] \\ ~ ~ // signal does *NOT* mean |
| (/ @ @ /) that everything is OK " |
+-------------------------oOOo-(_)-oOOo----------------------------+
| |
| 2 BC-610s w/BC-614s, 2 R-390As - 1 Collins 1 Eac |
| Heathkit DX-60, Apache, Mohawk, SX-101, HT-32A |
+------------------------------------------------------------------+
| Opinions expressed are that of my own and do not necessarily |
| coincide with or represent those of ANYONE else |
+------------------------------------------------------------------+
ALL E-mail received and sent scanned by AVG Anti-Virus software