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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 ·
More QRO secrets revealed.... 15 -20 kw baluns !!
I couldn't resist. To make a 40-10m choke balun for 40-10m yagi's use type 43 beads [1" OD x .5" ID x 1" long] slid over RG-393 teflon coax. The balun is 17" long when completed [16-17 beads.] The Z
By pentalab <jim.thomson@...> · #162 ·
Re: HIGH SWR / HIGH REFLECTED POWER SHUT DOWN CIRCUIT !!
it's just as easy to build a big one as a small one. ##### Use a cum-a-long hooked to a basement beam... or one of those small devices used to lift small engines. Me... after tearing the crate
By pentalab <jim.thomson@...> · #161 ·
Jumbo sized lytic stack for HV supplies ! Oil cap warning. DIODES
If any of you intend to series parallel Oil caps for greater V ratings... BEWARE. I did just that with 4 x 50 uf @ 4500 V units. These were each 12" tall x 8' wide x 4" thick. I got em years ago from
By pentalab <jim.thomson@...> · #160 ·
Re: HIGH SWR / HIGH REFLECTED POWER SHUT DOWN CIRCUIT !!
By R L Measures · #159 ·
Transformer info on Wikipedia
All, I started editing the page on transformers at Wikipedia at 6:00 PM this evening, and it is now 4:30 AM in the morning. I corrected a few errors from others plus added a complete section on steel
By craxd <craxd1@...> · #158 ·
Re: HIGH SWR / HIGH REFLECTED POWER SHUT DOWN CIRCUIT !!
the like. Some pics of your "QRP" amps (They also make the usual 10 kw 5 kw.. 2.5 kw qrp slugs.) would be very much appreciated. ### Tnx Dick..... As soon as I can figure out this pix posting deal...
By pentalab <jim.thomson@...> · #157 ·