Today's Message Index:
----------------------
1. 04:20 AM - Re: dimpling (Dana Overall)
2. 05:46 AM - Re: dimpling (Allan.James@hstna.com)
3. 06:43 AM - Re: dimpling (Dwight Frye)
4. 10:19 AM - Re: dimpling (Dana Overall)
5. 03:50 PM - dimpling, priming and cellophane (Jim Nolan)
Message 1
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--> RV7-List message posted by: "Dana Overall" <bo124rs@hotmail.com>
>2. Do you leave the blue cellophane on the skins while dimpling.
>3. Who won the primer war. I started my RV4 kit with zinc chromate,
>graduated to Variprime and haven't paid that much attention to what
>everyone
>is doing now.
>Thanks
>Jim Nolan
Jim, Van's recommends removing the blue protectant before you dimple.
Dana Overall
Richmond, KY
RV-7 slider/fuselage, Imron black, "Black Magic"
Finish kit ordered!! Buying Instruments. Hangar flying my Dynon.
http://rvflying.tripod.com
do not archive
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Message 2
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18, 2001) at 10/13/2003 08:19:49 AM,
Serialize complete at 10/13/2003 08:19:49 AM
--> RV7-List message posted by: Allan.James@hstna.com
Dana,
I'm curious why the blue cellophane should be removed before
dimpling. I've been leaving it on until final riveting and haven't seen
any problems, and it helps to prevent scratches during the dimple phase.
Do Not Archive
Thanks,
Allan James
RV7A Emp
Michigan
"Dana Overall" <bo124rs@hotmail.com>
Sent by: owner-rv7-list-server@matronics.com
10/13/2003 07:19 AM
Please respond to rv7-list
To: rv7-list@matronics.com
cc: (bcc: Allan James/PA/Henkel Americas)
Subject: RE: RV7-List: dimpling
--> RV7-List message posted by: "Dana Overall" <bo124rs@hotmail.com>
>2. Do you leave the blue cellophane on the skins while dimpling.
>3. Who won the primer war. I started my RV4 kit with zinc chromate,
>graduated to Variprime and haven't paid that much attention to what
>everyone
>is doing now.
>Thanks
>Jim Nolan
Jim, Van's recommends removing the blue protectant before you dimple.
Dana Overall
Richmond, KY
RV-7 slider/fuselage, Imron black, "Black Magic"
Finish kit ordered!! Buying Instruments. Hangar flying my Dynon.
http://rvflying.tripod.com
do not archive
Frustrated with dial-up? Get high-speed for as low as $29.95/month
(depending on the local service providers in your area).
https://broadband.msn.com
Message 3
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--> RV7-List message posted by: Dwight Frye <dwight@openweave.org>
The one time I tried leaving the blue plastic on I ended up with little
rings of blue plastic essentially cut out of the plastic and on my dimple
dies. I had to use a fingernail to pick them off. As far as scratches goes
in the end (unless you are going leave the whole plane as polished aluminum)
you'll scuff the skins to prep for painting. Small scratches which come
from dimpling strike me as being irrelevent.
I have taken to just cutting away the plastic in strips along the rivet
lines. (Not my own bright idea, of course, but something I learned from
other builders.) This leaves plastic on the bulk of the skin which protects
it from significant scratches. Using a straight edge I run a soldering iron
along the line and this "cuts" the plastic. It can then be removed quite
easily along the scored line.
Even at that, I'm almost thinking this is a bit anal since they day will
come when I hit the whole surface with a Scotchbrite pad to prepare for
the primer coat. Oh well. :)
-- Dwight
(working on wings, QB fuse on order ...)
On Mon Oct 13 08:13:29 2003, Allan.James@hstna.com wrote :
>
>--> RV7-List message posted by: Allan.James@hstna.com
>
>Dana,
>
> I'm curious why the blue cellophane should be removed before
>dimpling. I've been leaving it on until final riveting and haven't seen
>any problems, and it helps to prevent scratches during the dimple phase.
>
>Do Not Archive
>
>
>Thanks,
>Allan James
>RV7A Emp
>Michigan
>
>
>"Dana Overall" <bo124rs@hotmail.com>
>Sent by: owner-rv7-list-server@matronics.com
>10/13/2003 07:19 AM
>Please respond to rv7-list
>
>
> To: rv7-list@matronics.com
> cc: (bcc: Allan James/PA/Henkel Americas)
> Subject: RE: RV7-List: dimpling
>
>
>--> RV7-List message posted by: "Dana Overall" <bo124rs@hotmail.com>
>
>>2. Do you leave the blue cellophane on the skins while dimpling.
>>3. Who won the primer war. I started my RV4 kit with zinc chromate,
>>graduated to Variprime and haven't paid that much attention to what
>>everyone
>>is doing now.
>>Thanks
>>Jim Nolan
>
>Jim, Van's recommends removing the blue protectant before you dimple.
>
>
>Dana Overall
>Richmond, KY
>RV-7 slider/fuselage, Imron black, "Black Magic"
>Finish kit ordered!! Buying Instruments. Hangar flying my Dynon.
>http://rvflying.tripod.com
>do not archive
>
>Frustrated with dial-up? Get high-speed for as low as $29.95/month
>(depending on the local service providers in your area).
>https://broadband.msn.com
>
>
Message 4
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--> RV7-List message posted by: "Dana Overall" <bo124rs@hotmail.com>
>--> RV7-List message posted by: Allan.James@hstna.com
> >
> >Dana,
> >
> > I'm curious why the blue cellophane should be removed before
> >dimpling. I've been leaving it on until final riveting and haven't seen
> >any problems, and it helps to prevent scratches during the dimple phase
As Dwight said, after you final drill you end up a hole that needs deburrig.
These can catch small bits of the blue stuff, you could even go so far to
say that the dimple itself would not be as deep as you desire due to the
thickness of the cellophane. Once again, as Dwight said, you are going to
scotchbright pad the entire airplane before you paint so those small
scratches get rubbed out anyway. I've primed and painted over these areas
and you certainly cannot see any of those scratches. I started off removing
the rivet lines with a soldering iron but after a while I just started
peeling the stuff off after I saw how easily and nicely primers covers up
all those "imperfections". I still try my best not to scratch the stuff but
I don't loose sleep over it:-)
Somewhere in the directions it says to remove at least the rivet lines
before you dimple.
Your mileage may vary.
Dana Overall
Richmond, KY
RV-7 slider/fuselage, Imron black, "Black Magic"
Finish kit ordered!! Buying Instruments. Hangar flying my Dynon.
http://rvflying.tripod.com
do not archive
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Message 5
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| Subject: | dimpling, priming and cellophane |
--> RV7-List message posted by: "Jim Nolan" <jamespnolan@earthlink.net>
Thanks to all who sent me e-mails on my questions. Consensus is, don't leave
the blue cellophane on. The primer War is still raging, and drill the holes
to size before you dimple.
Thanks again
Jim Nolan
N444JN
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