bartb at classictesla.com
Sun Feb 24 19:17:54 MST 2008
As mentioned, use high temp epoxy. If the electrodes get hot enough to
melt the epoxy or pvc, then it's running too hot anyway. Bigger fan!
I think it was one of Terry Fritz static gaps that used epoxy. That's
when I thought "good idea"!
Mounting wires was easy. I just drilled a through hole at the end of the
pipe and used a screw to attach the wire. I don't like alligator clips.
I prefer a solid connection.
otmaskin5 at aol.com wrote:
> Hi Bart, I've used the same technique, but then after the epoxy cures, then I drill &?bolt them in.? I was always concerned that,?without bolts,?heat might cause a pipe?to?fall out of the epoxy bond.? If you've never had that problem, it looks like the bolting in place is unnecessary.? That would be a big time saver.? How do you connect the wires to the pipes...I assume alligator clips or something?
> -----Original Message-----
> From: bartb <bartb at classictesla.com>
> To: Tesla Coil Mailing List <tesla at pupman.com>
> Sent: Sat, 23 Feb 2008 4:59 pm
> Subject: Re: [TCML] Gaps
> Well said Brian!?
> I remember all the gaps you mentioned. I personally like to epoxy my pipes to the pvc. Reason is that I can accurately set each pipe exactly at the distance I need and perfectly parallel. I tried bolt methods in the past and it's just not the best way to do it. I install one pipe at a time letting the epoxy cure between each pipe installation. I use a feeler gauge between each pipe and let gravity aid the exercise. Not hard to figure out really. It's so easy it's ridiculous. A perfectly symmetrical RQ gap can be built on any given Saturday. Parts needed is your pvc tube, copper pipes, feeler gauge at the spacing wanted, and one tube of clear high temp two part 10 minute epoxy.?
> Here's 10 steps on how to build a perfect RQ pipe gap (or any type of pipe gap):?
> Step 1) Mix small amount of epoxy and apply a 1/4" strip along the length of one pipe.?
> Step 2) Mount pipe to pvc (epoxy side to pvc tube) and ensure it is parallel in the pvc tube.?
> Step 3) Let pipe cure for 30 minutes.?
> Step 4) Mix another small amount of epoxy and apply again to second pipe.?
> Step 5) Mount pipe next to first pipe (epoxy side to pvc) parallel to first pipe.?
> Step 6) Insert feeler gauge between pipes and leave it there.?
> Step 7) Turn pvc tube so that the new pipe is forced onto the first pipe and pvc tube by gravity (~45 deg angle).?
> Step 8) Block pvc tube into position so it doesn't roll and wait 30 minutes.?
> Step 9) Repeat above steps until all tubes are in place.?
> Step 10) Install fan, connect wires, run coil, take photos, share photos with TCML.?
> Take care,?
> Brian Foley wrote:?
>> Hi, I built a so called "RQ" gap, pvc with copper tubes inside, i use a computer fan and the top of a pill bottle so all the air is in the gaps or thru the pipes. It works well on my coil. > For those of us who have built coils and been coiling for years have found Tesla Coils are as unique as people...what works wonderful for one coil doesnt mean it will make your coil wunderful....there is no perfect size, no one size fits all...?
>> there are many designs that built carefully work just fine, once tuned to the parts of that coil.......?
>> this style gap seems to suit smaller coills up to several KW or a little more....If you ran and tuned your coil to a simple gap set at 1/4 inch then the spacing you might use would include settings that were less than 1/4 inch and slightly more than 1/4 inch...?
>> Gap distance divided by the number of gaps approximately..?
>> I found the pvc pipe difficult to drill slots so the pipes could be spaced to a certain gap distance......easily done however in a machine shop....Now there are many gaps made with pipes layed out flat, one used staggered or high and low pipes for a shorter overall distance......some glued the end of the pipes to a block of plastic, one even was made on a flexible surface and as the tension was increased the gaps became wider.......interesting and very simple design. My best recommendation, look at a lot of pipe style gaps, decide which is easy to make, and expirement.....you own innovation might be just what your coils needs to be happy....enjoy...Brian F.?
> Tesla mailing list?
> Tesla at www.pupman.com?
> More new features than ever. Check out the new AOL Mail ! - http://webmail.aol.com
> Tesla mailing list
> Tesla at www.pupman.com
More information about the Tesla