Spam ? - No thanks, instead: Re: how to drill pipe!

[Alex Fraser]

 I don't think you will be able to line the holes up with a hand drill.  
A little cheap drill press could do a good job and a Mill or Mill/drill 
an even better job.  You can get a cheapo 1/3 hp drill press for under 
$75 these days and it really expands your capabilities.

John Teller wrote:

>Here are some suggestions:
>
>1. Build a jig out of wood that looks like this:
>
>---
>|O|
>---
>
>Where the --- and | are bits of 1x4 and are cut such that they fit snugly around the pipe O
>
>2. Drill through the top piece --- all the way down through the pipe and into the bottom piece.
>
>It should be reasonably straight...
>
>--- JST
>
>  
>
>>From: Hal Feinstein <hfeinstein at cox.net>
>>Date: 2004/10/28 Thu PM 10:33:24 EDT
>>To: tacos <tacos at amrad.org>
>>Subject: how to drill pipe!
>>
>>The problem:    I would like to construct a low cost VHF-UHF yagi handheld
>>antenna, similar to the popular arrow antennas used for LEO work.  For 
>>the "boom"
>>I want to use a short section of PVC pipe.  Antenna elements are made 
>>from heavy solid copper
>>wire that I hammered straight.  Problem: how to drill holes in the PVC 
>>that (1) are
>>straight and lined up and (2) that passes through the center line of the 
>>PVC.  The holes I drill are
>>about the same size as the copper wire rods.  I use the PVC pipe to 
>>snuggly fit the element in place, a kind of pressure fit.  If the hole 
>>on either side of the PVC are drilled
>>with any error then (1) the element will not pass throught the PVC 
>>center line and
>>(2) the element will be randomly off-angle, which looks really bad when 
>>all the elements are assembled. My first inclination is that this 
>>shouldn't be hard. But, it is!   Any ideas?
>>
>>--hal. wb3kdu
>>
>>_______________________________________________
>>Tacos mailing list
>>Tacos at amrad.org
>>http://www.amrad.org/mailman/listinfo/tacos
>>
>>    
>>
>
>_______________________________________________
>Tacos mailing list
>Tacos at amrad.org
>http://www.amrad.org/mailman/listinfo/tacos
>
>
>  
>


-- 
>>>>>>>>>>>>>>>>----<<<<<<<<<<<<<<<<<
........ Alex Fraser  N3DER .........
......... beatnic at comcast.net .......
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