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Re: Silicone Rubber
Jim, Between my remote 3 phase 400 VAC primary HT PSU (in the garage) and the RF deck in the shack I run 25 ft silicone insulated high voltage cable as used in the neon lighting industry. Around that
By PA3DUV <pa3duv@...> · #182 ·
How to Getter a 3CX-3000A7 / 6000 / 10,000 , etc !
After all that discussion on the ...'other reflector' about gettering tubes, I thought I'd add my 2 cents worth. After reading about the detailled gettering info on Svetlana's website years ago... I
By pentalab <jim.thomson@...> · #180 ·
Re: Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
wrote: ### Probably either Alden or Kings or Rowe. All 3 x brands have good connectors rated at 25 kv and more. These red/black Millen's are just too mickey mouse. The Phenolic material will
By pentalab <jim.thomson@...> · #179 ·
Re: Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
Also the SHV will accept RG8U coax only. Actually the H+S SHV is the same type as the Kings HT connectors, a bit flimsy. I just browsed the http://www.lemo.com/index.jsp site. (Thanks Greg!) These
By PA3DUV <pa3duv@...> · #181 ·
Silicone Rubber
I have been using Belden 10 KV test prod wire for the last several years.... comes in red/black. I use both red/black on everything......... vey flexible.... abot .21" diam.... silicone rubber. Many
By pentalab <jim.thomson@...> · #178 ·
Re: Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
Am 24.09.2006 um 09:52 schrieb pentalab: Which ones would these be? I have found Huber+Suhner (Switzerland) but their SHV type connector is rated at 3.5 kV rms / 5 kV DC only.
By Frank Goenninger <frgo@...> · #177 ·
Re: More QRO secrets revealed.... 15 -20 kw baluns !! - Pictures, PLEASE
Am 24.09.2006 um 09:38 schrieb pentalab: Thanks, Jim! If you want me to post them in this group at yahoo please let me know! Meanwhile I was able to find a movie on WWW showing you in the shack with
By Frank Goenninger <frgo@...> · #176 ·
Re: Fw: Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
wrote: HV #### Try a google on kings or rowe. SSON has some.... so does Jerry Thompson at Economy electronics... in Loanoke Ark. He has a website too. ..think it's Economyelectronics.com The only
By pentalab <jim.thomson@...> · #175 ·
Re: More QRO secrets revealed.... 15 -20 kw baluns !! - Pictures, PLEASE
wrote: you of ### I'm going to attempt to post some pix in the photo area.. IF I can figure it out. I'm no PC geek. Worse comes.... I'll e-mail some to u direct. Jim >
By pentalab <jim.thomson@...> · #174 ·
Re: More QRO secrets revealed.... 15 -20 kw baluns !!
<pchristensen@...> wrote: geometries can oftentimes get in the way. In the alternative, I have successfully used a combination of #43 and #77 material on RG- 214. The #43 material is used on the ends
By pentalab <jim.thomson@...> · #173 ·
Re: Fw: Jumbo sized lytic stack for HV supplies ! Oil
Greg, Thanks for info. Your statement on the Powerpoles for HT use is amazing. Did you test the small Powerpoles (30-45 amp) or the larger 75 amp models? One thing is very important though; for HT
By PA3DUV <pa3duv@...> · #172 ·
Re: HIGH SWR / HIGH REFLECTED POWER SHUT DOWN CIRCUIT !!
I used a sledge hammer handle, a strap, a hook, helper-girl on one end of the handle, and me on the other end to lift it in place. R L MEASURES, AG6K. 805-386-3734 r@...
By R L Measures · #171 ·
Re: HIGH SWR / HIGH REFLECTED POWER SHUT DOWN CIRCUIT !!
R L Measures wrote: <snip> A small fold up Engine Lift can solve that and many other heavy lifting jobs. One of these helped me lift my mill and lathe when I brought them home and I have a 164 lb
By Tony King - W4ZT <w4zt-060920@...> · #170 ·
Re: HIGH SWR / HIGH REFLECTED POWER SHUT DOWN CIRCUIT !!
Dick, You can buy a 1-2 ton chain fall hoist from harbor Freight for about $40.00. One can mount this in the ceiling stationary by the hook, and pull a pick up truck under it allowing the lift (if the
By craxd <craxd1@...> · #169 ·
Re: Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
Mike, I bought a bunch of these SHV connectors and bulkheads from Powell, a Kings stockist/distributor. rmilligan@... , Ryan Milligan from Powell was kind enough to send a handul of these
By PA3DUV <pa3duv@...> · #168 ·
Re: HIGH SWR / HIGH REFLECTED POWER SHUT DOWN CIRCUIT !!
I just put an M24 2 metric tonne lifting eye on a 1ft studbolt through the steel reinforced concrete ceiling of my garage to get the 30 kVA 1500 rpm diesel genset and HT power supply on and off the
By PA3DUV <pa3duv@...> · #166 ·
Fw: Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
Let me correct this: Jim said: This is my "external cap box". I used Millen Red/ Black HV connector's on it. IF using the Millen's.... either use nylon mounting screws or mount em on Micarta. Both
By Mike Sawyer <w3slk@...> · #167 ·
Re: Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
Jim said: This is my "external cap box". I used Millen Red/ Black HV connector's on it. IF using the Millen's.... either use nylon mounting screws or mount em on Micarta. Both Kings and ROWE make
By Mike Sawyer <w3slk@...> · #165 ·
Re: More QRO secrets revealed.... 15 -20 kw baluns !! - Pictures, PLEASE
Am 23.09.2006 um 15:41 schrieb pentalab: I'm dying to see some beautiful pictures of all those neat things you describe... Please be so kind and put some into the photos area of this group on yahoo.
By Frank Goenninger <frgo@...> · #164 ·
Re: More QRO secrets revealed.... 15 -20 kw baluns !!
thing. The typ W2DU baluns using 303 teflon coax.. and the tiny type 75 beads would heat up with just a 500 w dead cxr on all bands from 1.8 to 30 mhz. They switched to type 43 small beads... and the
By Paul Christensen · #163 ·