Today's Message Index:
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1. 06:42 AM - Re: Consensus On Finishing Back End Of Fiberglass Tips... (BRUCE GRAY)
2. 07:36 AM - Re: Consensus On Finishing Back End Of Fiberglass Tips... (manuel weber)
3. 08:46 AM - Re: Consensus On Finishing Back End Of Fiberglass Tips... (Heath Cherneski)
4. 06:53 PM - Re: Consensus On Finishing Back End Of Fiberglass Tips (Speedy11@aol.com)
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Subject: | Consensus On Finishing Back End Of Fiberglass Tips... |
Matt=2C
I would use this small task of fiber glassing as testing the waters. You wi
ll eventually have to warm up to it. The wing tips were a bit of work if yo
u want them to come out nice=2C sometimes requiring to split the T/E and re
glassing. Dan Checkoway's sight explained this task. And last but not least
if you have some special words you save for special occasions wait till yo
u get to the canopy skirt. If that don't tickle you enough you still have t
he windscreen and over the top roll-over bar lay ups to do.
Take it slow and it all starts coming to you. You pull the stuff out=2C get
the scale=2C mix it up and go to town. Get to it now while the weather is
still warm. Winter sucks for this stuff. Cure time double when its 30-40 de
grees out.
First trick-Go to the hobby store and get some light balsa wood. Shape it
=2C with-out side pressure/check it on the assembly. Fit it in the tip cap
about 3/16" below the cut line.
Second- Get your cloth and cut some patterns a little over the size of the
tip opening=2C about 3ea.
Third- Mix your epoxies(West Systems) wet the area with acid brushes and la
y the first layer=2C then second=2C & third. Wetting each layer. Then prop
it up so the lay-up is flat. Once cured=2C remove the balsa plug=2C however
and sand the inside a bit(scuffing w/60-80 grit). Mix up some more resin a
nd do 2 lay-ups inside but this time put bigger patterns inside to go up th
e side of the cap a bit to lock the end cap lay-ups in.
After this you may sand and fill the outer portion to the desired shape to
nestle the rudder cap.
This may sound like a lot for a stupid little cap but the airplane isn't go
ing to fly tomorrow. You have time. Do it and you'll be happy with the out
come.
Good Luck and have some fun with it. That's what these airplanes are about.
Bruce Gray
RV8 Fuse
Finishing=2CWiring=2C& WindscreenP.S. I forgot=2C make the balsa plug long
on the bottom=2C a tongue if you will. This will be the portion that runs d
own to the top of the fin rib. You'll shape this slowly to your desired fit
as you fit this to the assembly.ans that it is kind of up to the builder w
hether to put a cover on > the back of it. My first question would have to
be why the f*** > isn't there one already molded on it like on the front of
the rudder > tip? But=2C hostility aside=2C what's everyone's thoughts on
finishing > these? I'm just thinking that my patience for fiberglass layups
> hovers around zero and I can just see taking a totally sweet tip > insta
llation and mucking it royally. But=2C I will if I must. I would > really l
ike the back end finished off rather than gaping open like > that=2C but it
might be something I could live with...> > Thoughts?> > Matt Dralle> RV-8
#82880
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Message 2
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Subject: | Consensus On Finishing Back End Of Fiberglass Tips... |
Also Matt,
-
Closing this area will help prevent birds or wasp nests from being built in
that area.- Also may help aerodynamics a small amount.
--- On Fri, 8/8/08, BRUCE GRAY <brucerv84us@hotmail.com> wrote:
From: BRUCE GRAY <brucerv84us@hotmail.com>
Subject: RE: RV8-List: Consensus On Finishing Back End Of Fiberglass Tips..
.
#yiv1274184803 .hmmessage P
{
margin:0px;padding:0px;}
#yiv1274184803 {
FONT-SIZE:10pt;FONT-FAMILY:Tahoma;}
Matt,
I would use this small task of fiber glassing as testing the waters. You wi
ll eventually have to warm up to it. The wing tips were a bit of work if yo
u want them to come out nice, sometimes requiring to split the-T/E and re
glassing. Dan Checkoway's sight explained this task. And last but not least
if you have some special words you save for special occasions wait till yo
u get to the canopy skirt. If that don't tickle you enough you still have t
he windscreen and over the top roll-over bar lay ups to do.
Take it slow and it all starts coming to you. You pull the stuff out, get t
he scale, mix it up and go to town. Get to it now while the weather is stil
l warm. Winter sucks for this stuff. Cure time-double when its 30-40 degr
ees out.
First trick-Go to the hobby store and get some light balsa wood. Shape it,
with-out side pressure/check it on the assembly. Fit it in the tip cap abou
t 3/16" below the cut line.
Second- Get your cloth and cut some patterns a little over the size of the
tip opening, about 3ea.
Third- Mix your epoxies(West Systems) wet the area with acid brushes and la
y the first layer, then second, & third. Wetting each layer. Then prop it u
p so the lay-up is flat. Once cured, remove the balsa plug, however and san
d the inside a bit(scuffing w/60-80 grit). Mix up some more resin and do 2
lay-ups inside but this time put bigger patterns inside to go up the side o
f the cap a bit to lock the end cap lay-ups-in.
After this you may sand and fill the outer portion to the desired shape to
nestle the rudder cap.
This may sound like a lot for a stupid little cap but the airplane isn't go
ing to fly tomorrow. You have time. Do it and you'll be happy with the out
come.
Good Luck and have some fun with it. That's what these airplanes are about.
-
Bruce Gray
RV8 Fuse
Finishing,Wiring,& Windscreen
P.S. I forgot, make the balsa plug long on the bottom, a tongue if you will
. This will be the portion that runs down to the top of the fin rib. You'll
shape this slowly to your desired fit as you fit this to the assembly.
ans that it is kind of up to the builder whether to put a cover on
> the back of it. My first question would have to be why the f***
> isn't there one already molded on it like on the front of the rudder
> tip? But, hostility aside, what's everyone's thoughts on finishing
> these? I'm just thinking that my patience for fiberglass layups
> hovers around zero and I can just see taking a totally sweet tip
> installation and mucking it royally. But, I will if I must. I would
> really like the back end finished off rather than gaping open like
> that, but it might be something I could live with...
>
> Thoughts?
>
> Matt Dralle
> RV-8 #82880
Get more from your digital life. Find out how.
=0A=0A=0A
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Subject: | Consensus On Finishing Back End Of Fiberglass Tips... |
Finishing the tip is really no problem. Foam is your friend as it is very
easy to cut and form into the back of the tip and then glass over.
Microbaloons mixed to the consistency of peanut butter works really well to
get exactly the shape you want and then sand to finish. I would close the
hole, and I think probably the reason it is not is the clearance between
control surface and stabilizer. You want to ensure that with a little flex
there is still no chance of contact or binding between the two surfaces and
every airplane clearance is going to be slightly different. Filling in the
end of the cap is really no problem. I used blue tivex insulation I got
from Lowes and then the above tecnique. I think it's half inch or
something. This stuff also works very well for holding control tubes while
you rig down the road and for keeping the wingtip expanded while you drill
for nutplates etcetera. Obviously, make sure you have removed the foam from
around all control tubes before final assembly.
Heath Cherneski
RV8 N818HC
52918
-----Original Message-----
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Matt Dralle
Sent: Thursday, August 07, 2008 10:02 PM
Subject: RV8-List: Consensus On Finishing Back End Of Fiberglass Tips...
Dear Listers,
Here are some pictures of my recently finished Fin and Rudder
fiberglass tips, specifically highlighting my notion of mounting the
VOR/GS/LOC antenna on the top of the Fin. It came out very nice I
think and gives full access to cabling and antenna mount for maintenance.
But here's my question. Look at that last picture of the back end of
the Fin fiberglass tip and note the gaping hole. I gather from the
plans that it is kind of up to the builder whether to put a cover on
the back of it. My first question would have to be why the f***
isn't there one already molded on it like on the front of the rudder
tip? But, hostility aside, what's everyone's thoughts on finishing
these? I'm just thinking that my patience for fiberglass layups
hovers around zero and I can just see taking a totally sweet tip
installation and mucking it royally. But, I will if I must. I would
really like the back end finished off rather than gaping open like
that, but it might be something I could live with...
Thoughts?
Matt Dralle
RV-8 #82880
Message 4
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Subject: | Re: Consensus On Finishing Back End Of Fiberglass Tips |
Matt,
I couldn't find your photos to view them.
I'm assuming you plan to make the fin fiberglass piece removable for
replacement or repair of the antenna. Doug's idea to add wood and glass over
it
will work. I used a piece of slightly curved aluminum hot glued to the tip and
laid the glass on the inside. See _http://www.rv-8a.net/2007.htm_
(http://www.rv-8a.net/2007.htm) and scroll down to 24 Feb 07.
I made mine removable and added glass to cover most of the gap. I'll likely
add a bit of RTV to keep water out.
Stan Sutterfield
_www.rv-8a.net_ (http://www.rv-8a.net)
Dear Listers,
Here are some pictures of my recently finished Fin and Rudder
fiberglass tips, specifically highlighting my notion of mounting the
VOR/GS/LOC antenna on the top of the Fin. It came out very nice I
think and gives full access to cabling and antenna mount for maintenance.
But here's my question. Look at that last picture of the back end of
the Fin fiberglass tip and note the gaping hole. I gather from the
plans that it is kind of up to the builder whether to put a cover on
the back of it. My first question would have to be why the f***
isn't there one already molded on it like on the front of the rudder
tip? But, hostility aside, what's everyone's thoughts on finishing
these? I'm just thinking that my patience for fiberglass layups
hovers around zero and I can just see taking a totally sweet tip
installation and mucking it royally. But, I will if I must. I would
really like the back end finished off rather than gaping open like
that, but it might be something I could live with...
Thoughts?
Matt Dralle
RV-8 #82880
________________________________ Message 4
_____________________________________
Time: 08:42:31 PM PST US
From: "Doug Ritter" <dougritter@frontiernet.net>
Subject: Re: RV8-List: Consensus On Finishing Back End Of Fiberglass Tips...
Cut a wood plug to size apx 1/4" thick, epoxy in place and cover with one
layer of glass cloth. Sand and paint.
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