Today's Message Index:
----------------------
1. 07:25 AM - Size of skin match drilling holes in horizontal stabilizer (Kent Sorensen)
2. 07:44 AM - Re: Size of skin match drilling holes in horizontal stabilizer (sjevans)
3. 07:49 AM - Re: Size of skin match drilling holes in horizontal stabilizer (Merems)
4. 08:42 AM - Re: Size of skin match drilling holes in horizontal stabilizer (Kent Sorensen)
5. 08:49 AM - Re: Size of skin match drilling holes in horizontal stabilizer (Norman Younie)
6. 09:23 AM - Re: Size of skin match drilling holes in horizontal (David Nelson)
7. 09:53 AM - Re: Size of skin match drilling holes in horizontal stabilizer (Franz Fux)
8. 12:34 PM - Last "Official" Day To Make Your List Contribution!! (Matt Dralle)
9. 01:02 PM - Re: Size of skin match drilling holes in horizontal stabilizer (Norman Younie)
Message 1
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| Subject: | Size of skin match drilling holes in horizontal stabilizer |
--> RV7-List message posted by: Kent Sorensen <kents@snak.com>
I'm unsure of the size to which the holes in the HS-601PP skin are
supposed to be drilled. Apparently they come drilled to #40, but the
passage in the handbook doesn't specify if this is the final size.
The passage says "Drill to final size or match drill all the remaining
holes attached to the HS-601PP skin"
I've unfortunately already drilled some of them to #30 but after seeing
the tiny AN426AD3-3.5 rivets I'm having doubts.
What is the correct size, and does it actually say so anywhere in the
manual that I have overlooked ?
If my drilling is incorrect, will it work out to use AD4 rivets instead
?
Incidentally, where can I find out (short of buying a caliper and
measuring the width) what dimensions the #30, #40, #12 etc. drill bits
actually are ?
Thanks
Kent
Message 2
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| Subject: | Size of skin match drilling holes in horizontal stabilizer |
--> RV7-List message posted by: "sjevans" <sjevans@cox.net>
Kent,
Can't help you out on the proper holes / rivet size to use on skin, but
here's a link to the question about number drill sizes.
http://www.offroaders.com/info/tech-corner/taps-drills.htm
Sam
-----Original Message-----
From: owner-rv7-list-server@matronics.com
[mailto:owner-rv7-list-server@matronics.com] On Behalf Of Kent Sorensen
Subject: RV7-List: Size of skin match drilling holes in horizontal
stabilizer
--> RV7-List message posted by: Kent Sorensen <kents@snak.com>
I'm unsure of the size to which the holes in the HS-601PP skin are
supposed to be drilled. Apparently they come drilled to #40, but the
passage in the handbook doesn't specify if this is the final size.
The passage says "Drill to final size or match drill all the remaining
holes attached to the HS-601PP skin"
I've unfortunately already drilled some of them to #30 but after seeing
the tiny AN426AD3-3.5 rivets I'm having doubts.
What is the correct size, and does it actually say so anywhere in the
manual that I have overlooked ?
If my drilling is incorrect, will it work out to use AD4 rivets instead
?
Incidentally, where can I find out (short of buying a caliper and
measuring the width) what dimensions the #30, #40, #12 etc. drill bits
actually are ?
Thanks
Kent
=
==
==
==
==
Message 3
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| Subject: | Re: Size of skin match drilling holes in horizontal stabilizer |
--> RV7-List message posted by: "Merems" <merems@cox.net>
Kent,
All of the skin rivets in the HS are for #3 rivets (AN426AD3). If you drilled
out a few holes to #30, it isn't that big a problem. The only issue is that it
is harder to shoot (set) the larger rivets #4's then the #3's. So to prevent
any sort of damage during the riveting session on these locations, I suggest
you use the 120 degree Avex pop rivets (Van has them) in these locations. I
used these on the bottom wings skins on my RV-4. You will need to dimple the
skin for the #4 rivet (AN426AD4) in these locations and you might have to shave
the rivet head down a bit. Check with Van's on this, but I believe you will
be OK.
Remember with the prepunched parts for the most part they are prepunched slightly
undersized then final drill size you are to use.
A minor mistake, hopefully the worst you will make on your project.
Paul
----- Original Message -----
From: Kent Sorensen
To: rv7-list@matronics.com
Sent: Sunday, November 30, 2003 8:24 AM
Subject: RV7-List: Size of skin match drilling holes in horizontal stabilizer
--> RV7-List message posted by: Kent Sorensen <kents@snak.com>
I'm unsure of the size to which the holes in the HS-601PP skin are
supposed to be drilled. Apparently they come drilled to #40, but the
passage in the handbook doesn't specify if this is the final size.
The passage says "Drill to final size or match drill all the remaining
holes attached to the HS-601PP skin"
I've unfortunately already drilled some of them to #30 but after seeing
the tiny AN426AD3-3.5 rivets I'm having doubts.
What is the correct size, and does it actually say so anywhere in the
manual that I have overlooked ?
If my drilling is incorrect, will it work out to use AD4 rivets instead
?
Incidentally, where can I find out (short of buying a caliper and
measuring the width) what dimensions the #30, #40, #12 etc. drill bits
actually are ?
Thanks
Kent
Message 4
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| Subject: | Re: Size of skin match drilling holes in horizontal stabilizer |
--> RV7-List message posted by: Kent Sorensen <kents@snak.com>
Thanks for the reply. So the answer is basically yes, the AD3 rivet
requires #40 holes ? According to the table sjevans posted a link to, a
#40 is a little larger than 3/32 so it would seem to be correct.
Sigh. I have checked numerous RV-7 sites and not single one mentions
having any doubt on this part... or if they did they checked with Vans
before drilling.
Bummer.
Kent
On Nov 30, 2003, at 10:50 AM, Merems wrote:
> --> RV7-List message posted by: "Merems" <merems@cox.net>
>
> Kent,
>
> All of the skin rivets in the HS are for #3 rivets (AN426AD3). If you
> drilled out a few holes to #30, it isn't that big a problem. The only
> issue is that it is harder to shoot (set) the larger rivets #4's then
> the #3's. So to prevent any sort of damage during the riveting
> session on these locations, I suggest you use the 120 degree Avex pop
> rivets (Van has them) in these locations. I used these on the bottom
> wings skins on my RV-4. You will need to dimple the skin for the #4
> rivet (AN426AD4) in these locations and you might have to shave the
> rivet head down a bit. Check with Van's on this, but I believe you
> will be OK.
>
> Remember with the prepunched parts for the most part they are
> prepunched slightly undersized then final drill size you are to use.
>
> A minor mistake, hopefully the worst you will make on your project.
>
> Paul
>
>
> ----- Original Message -----
> From: Kent Sorensen
> To: rv7-list@matronics.com
> Sent: Sunday, November 30, 2003 8:24 AM
> Subject: RV7-List: Size of skin match drilling holes in horizontal
> stabilizer
>
>
> --> RV7-List message posted by: Kent Sorensen <kents@snak.com>
>
> I'm unsure of the size to which the holes in the HS-601PP skin are
> supposed to be drilled. Apparently they come drilled to #40, but the
> passage in the handbook doesn't specify if this is the final size.
>
> The passage says "Drill to final size or match drill all the
> remaining
> holes attached to the HS-601PP skin"
>
> I've unfortunately already drilled some of them to #30 but after
> seeing
> the tiny AN426AD3-3.5 rivets I'm having doubts.
>
> What is the correct size, and does it actually say so anywhere in the
> manual that I have overlooked ?
>
> If my drilling is incorrect, will it work out to use AD4 rivets
> instead
> ?
>
> Incidentally, where can I find out (short of buying a caliper and
> measuring the width) what dimensions the #30, #40, #12 etc. drill
> bits
> actually are ?
>
> Thanks
> Kent
>
>
> _-
> =======================================================================
> _-> _-
> =======================================================================
> _-
> =======================================================================
> _-
> =======================================================================
> _-
> =======================================================================
> >
>
>
Message 5
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| Subject: | Re: Size of skin match drilling holes in horizontal stabilizer |
--> RV7-List message posted by: "Norman Younie" <rv6capt@pacificcoast.net>
Kent order yourself some NAS1097AD4-3.5 rivets from Vans. These rivets will
fill the #30 holes that you have drilled. They have the same size head on
them that the #40 countersunk rivets do, they will look the same on the
finished product.
#30 rivets are about 1/8 inch and #40 are 3/32 inch. I hope this helps you,
all of the skins are pre-punched to #41
----- Original Message -----
From: "Merems" <merems@cox.net>
Subject: Re: RV7-List: Size of skin match drilling holes in horizontal
stabilizer
> --> RV7-List message posted by: "Merems" <merems@cox.net>
>
> Kent,
>
> All of the skin rivets in the HS are for #3 rivets (AN426AD3). If you
drilled out a few holes to #30, it isn't that big a problem. The only issue
is that it is harder to shoot (set) the larger rivets #4's then the #3's.
So to prevent any sort of damage during the riveting session on these
locations, I suggest you use the 120 degree Avex pop rivets (Van has them)
in these locations. I used these on the bottom wings skins on my RV-4. You
will need to dimple the skin for the #4 rivet (AN426AD4) in these locations
and you might have to shave the rivet head down a bit. Check with Van's on
this, but I believe you will be OK.
>
> Remember with the prepunched parts for the most part they are prepunched
slightly undersized then final drill size you are to use.
>
> A minor mistake, hopefully the worst you will make on your project.
>
> Paul
>
>
> ----- Original Message -----
> From: Kent Sorensen
> To: rv7-list@matronics.com
> Sent: Sunday, November 30, 2003 8:24 AM
> Subject: RV7-List: Size of skin match drilling holes in horizontal
stabilizer
>
>
> --> RV7-List message posted by: Kent Sorensen <kents@snak.com>
>
> I'm unsure of the size to which the holes in the HS-601PP skin are
> supposed to be drilled. Apparently they come drilled to #40, but the
> passage in the handbook doesn't specify if this is the final size.
>
> The passage says "Drill to final size or match drill all the remaining
> holes attached to the HS-601PP skin"
>
> I've unfortunately already drilled some of them to #30 but after seeing
> the tiny AN426AD3-3.5 rivets I'm having doubts.
>
> What is the correct size, and does it actually say so anywhere in the
> manual that I have overlooked ?
>
> If my drilling is incorrect, will it work out to use AD4 rivets instead
> ?
>
> Incidentally, where can I find out (short of buying a caliper and
> measuring the width) what dimensions the #30, #40, #12 etc. drill bits
> actually are ?
>
> Thanks
> Kent
>
>
Message 6
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| Subject: | Re: Size of skin match drilling holes in horizontal |
stabilizer
--> RV7-List message posted by: David Nelson <david.nelson@pobox.com>
Hi Kent,
I'm at the same place you are - just drilled the skin to the ribs yesterday.
When you dimple the skins, the hole will enlarge just enough to allow a AD3
rivet to fit. I just tried this on a scratch piece of aluminum.
Regards,
/\/elson
Austin, TX
RV-7A
Message 7
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| Subject: | Size of skin match drilling holes in horizontal stabilizer |
--> RV7-List message posted by: "Franz Fux" <franz@lastfrontierheli.com>
Hi Kent,
if you order a Aircraft spruce catalogue, they are for free, it has the
sizing in there. Vans also sells a nifty book that will give you all the
physical measurements of all bolts, screws and rivets used in the
construction. As a matter of fact I ended up with two and I send you one if
you give me your address. Basically what you have to do is to look at the
plans very carefully and check where it gives you the rivet call out. the #
3 is 3/16 and the #4 is approx 1/4, however it is not quite that exact size
and so we use #30 and #40 drills . I am from a metric background and I had a
very hard time to come to terms with all the different sizing, but got used
to it by the time I started building the fuse,
Good luck
Franz
-----Original Message-----
From: owner-rv7-list-server@matronics.com
[mailto:owner-rv7-list-server@matronics.com]On Behalf Of Merems
Subject: Re: RV7-List: Size of skin match drilling holes in horizontal
stabilizer
--> RV7-List message posted by: "Merems" <merems@cox.net>
Kent,
All of the skin rivets in the HS are for #3 rivets (AN426AD3). If you
drilled out a few holes to #30, it isn't that big a problem. The only issue
is that it is harder to shoot (set) the larger rivets #4's then the #3's.
So to prevent any sort of damage during the riveting session on these
locations, I suggest you use the 120 degree Avex pop rivets (Van has them)
in these locations. I used these on the bottom wings skins on my RV-4. You
will need to dimple the skin for the #4 rivet (AN426AD4) in these locations
and you might have to shave the rivet head down a bit. Check with Van's on
this, but I believe you will be OK.
Remember with the prepunched parts for the most part they are prepunched
slightly undersized then final drill size you are to use.
A minor mistake, hopefully the worst you will make on your project.
Paul
----- Original Message -----
From: Kent Sorensen
To: rv7-list@matronics.com
Sent: Sunday, November 30, 2003 8:24 AM
Subject: RV7-List: Size of skin match drilling holes in horizontal
stabilizer
--> RV7-List message posted by: Kent Sorensen <kents@snak.com>
I'm unsure of the size to which the holes in the HS-601PP skin are
supposed to be drilled. Apparently they come drilled to #40, but the
passage in the handbook doesn't specify if this is the final size.
The passage says "Drill to final size or match drill all the remaining
holes attached to the HS-601PP skin"
I've unfortunately already drilled some of them to #30 but after seeing
the tiny AN426AD3-3.5 rivets I'm having doubts.
What is the correct size, and does it actually say so anywhere in the
manual that I have overlooked ?
If my drilling is incorrect, will it work out to use AD4 rivets instead
?
Incidentally, where can I find out (short of buying a caliper and
measuring the width) what dimensions the #30, #40, #12 etc. drill bits
actually are ?
Thanks
Kent
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Message 8
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| Subject: | Last "Official" Day To Make Your List Contribution!! |
--> RV7-List message posted by: Matt Dralle <dralle@matronics.com>
Dear Listers,
Well, its November 30th and that means three things...
1) Today I am officially 40 years old (sympathy is appreciated)!
2) It marks that last "official" day of the List Fund Raiser!
3) Its the last day I will be bugging everyone for a whole year! :-)
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A Lister wrote a funny message in the comments field of his Contribution
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"Worth every penny and I'm a tightwad!"
Thank you to everyone that has made a Contribution so far this year! It is
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Best regards,
Matt Dralle
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Message 9
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| Subject: | Re: Size of skin match drilling holes in horizontal stabilizer |
--> RV7-List message posted by: "Norman Younie" <rv6capt@pacificcoast.net>
If you don't drill the hole to the proper size with a #40 drill bit and just
use the dimpler to enlarge the hole you will run the risk of causing the
metal to crack. Drill to the proper size before dimpling!
----- Original Message -----
From: "David Nelson" <david.nelson@pobox.com>
Subject: Re: RV7-List: Size of skin match drilling holes in horizontal
stabilizer
> --> RV7-List message posted by: David Nelson <david.nelson@pobox.com>
>
>
> Hi Kent,
>
> I'm at the same place you are - just drilled the skin to the ribs
yesterday.
> When you dimple the skins, the hole will enlarge just enough to allow a
AD3
> rivet to fit. I just tried this on a scratch piece of aluminum.
>
> Regards,
> /\/elson
> Austin, TX
> RV-7A
>
>
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