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MaxNr(at)aol.com
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 Posted: Wed Jun 06, 2007 8:42 am Post subject: Hand punch |
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I owned a hand punch back in the late 60's called a Whitney Punch. This was recommended by the designer of my Thorp T-18 project because it quietly, made perfectly round holes, not triangles like a hand drill does. It used interchangeable dies. Thorp had a source for a special No. 30 punch die. I was able to go down a row of holes like Pac Man and still look good. Similar hand punches are still commonly available, but not the No.30 die. They all start at 1/8" then 5/32" and so on. I'm getting one and will use the 1/8" punch and plan to hog out the holes with a No.30 drill bit. But that not as elegant as the No.30 die. Any body know of a 21st century source for the No.30. Getting to a lathe to roll my own is a hassle.
Bob Dingley
Pace, FL 601XL,Lyc
**************************************
See what's free at http://www.aol.com. [quote][b]
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John Bolding
Joined: 23 May 2006
Posts: 281
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| Posted: Wed Jun 06, 2007 9:01 am Post subject: Hand punch |
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Failing finding the die , a #30 reamer might be the way to go. John
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But that not as elegant as the No.30 die. Any body know of a 21st century source for the No.30. Getting to a lathe to roll my own is a hassle.
Bob Dingley
Pace, FL 601XL,Lyc
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[quote][b]
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crvsecretary
Joined: 18 Mar 2007
Posts: 38
Location: Naugatuck, CT
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| Posted: Wed Jun 06, 2007 9:14 am Post subject: Hand punch |
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Hi Bob:
Is this what you are looking for ???
http://www.skygeek.com/45pd-30.html
Tracy
In a message dated 6/6/2007 11:43:41 AM Eastern Standard Time, MaxNr(at)aol.com writes:
| Quote: | I owned a hand punch back in the late 60's called a Whitney Punch. This was recommended by the designer of my Thorp T-18 project because it quietly, made perfectly round holes, not triangles like a hand drill does. It used interchangeable dies. Thorp had a source for a special No. 30 punch die. I was able to go down a row of holes like Pac Man and still look good. Similar hand punches are still commonly available, but not the No.30 die. They all start at 1/8" then 5/32" and so on. I'm getting one and will use the 1/8" punch and plan to hog out the holes with a No.30 drill bit. But that not as elegant as the No.30 die. Any body know of a 21st century source for the No.30. Getting to a lathe to roll my own is a hassle.
Bob Dingley
Pace, FL 601XL,Lyc
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See what's free at AOL.com.
[quote][b]
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_________________
Zenith 601XL N458XL (reserved)
Naugatuck, CT
Tail Complete; working on wings |
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craig(at)craigandjean.com
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| Posted: Wed Jun 06, 2007 9:31 am Post subject: Hand punch |
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You mean a Roper-Whitney punch? Spruce (among others) sells them: p/n 12-01600. Harbor Freight sells a cheap copy as I recall.
www.aircraftspruce.com/catalog/topages/roperwhitney2.php
-- Craig
[quote][b]
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craig(at)craigandjean.com
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| Posted: Wed Jun 06, 2007 9:39 am Post subject: Hand punch |
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Sorry, I didn't read your post all the way through. Glad someone else provided a source for the #30 punch.
-- Craig
From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Craig Payne
Sent: Wednesday, June 06, 2007 11:31 AM
To: zenith-list(at)matronics.com
Subject: RE: Hand punch
You mean a Roper-Whitney punch? Spruce (among others) sells them: p/n 12-01600. Harbor Freight sells a cheap copy as I recall.
www.aircraftspruce.com/catalog/topages/roperwhitney2.php
-- Craig
[quote]
href="http://www.matronics.com/Navigator?Zenith-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
[b]
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MaxNr(at)aol.com
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| Posted: Wed Jun 06, 2007 4:17 pm Post subject: Hand punch |
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Tracy ! ! !
You - are - the - MAN ! !
Do not archive
Bob
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See what's free at http://www.aol.com. [quote][b]
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