Today's Message Index:
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1. 05:34 PM - fuselage fabric for Firestar (Jay Dub)
2. 08:08 PM - Re: fuselage fabric for Firestar (Stuart Harner)
3. 09:58 PM - Re: fuselage fabric for Firestar (Jay Dub)
Message 1
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| Subject: | fuselage fabric for Firestar |
I'm finishing up my tail feathers tonight (or hope to nearly finish up) and have
laid out the fabric on my upside down fuselage. One piece of fabric 8' long
by 72" wide looks like it will cover it all. Do I need to cut that fabric and
glue it like the drawings, then try to piece the sides with the cut scraps from
the one piece? Is it in the plans like that to use leftover scraps from other
parts? It seems simpler to use 1 piece and be done but perhaps they want more
glue joints to the frame?
Not sure which way to go. Anyone that's done a firestar, do you have any suggestions?
I don't have anymore spare fabric.
Jay
Message 2
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| Subject: | Re: fuselage fabric for Firestar |
One would think that if you have one piece big enough to do it all that
would be the way to go.
Easier to install and fewer lap joints to come up later.
For the Firefly, I ordered two yards more they specified and didn't
waste much. When I was done there was only about a yard left. Glad I got
the extra up front.
I don't think the welded fuselage would care which technique you use. It
is the only part of the airplane that I used full heat of 350 though.
On 1/28/23 19:33, Jay Dub wrote:
>
> I'm finishing up my tail feathers tonight (or hope to nearly finish up) and have
laid out the fabric on my upside down fuselage. One piece of fabric 8' long
by 72" wide looks like it will cover it all. Do I need to cut that fabric and
glue it like the drawings, then try to piece the sides with the cut scraps from
the one piece? Is it in the plans like that to use leftover scraps from other
parts? It seems simpler to use 1 piece and be done but perhaps they want more
glue joints to the frame?
>
> Not sure which way to go. Anyone that's done a firestar, do you have any suggestions?
I don't have anymore spare fabric.
>
> Jay
>
>
Message 3
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| Subject: | Re: fuselage fabric for Firestar |
Hi Stuart,
I'm thinking the 1 piece makes it easy but in the back of my mind I wonder if the
reason for it in the plans was because you have fabric glued around the bottom
tubes. Next you have the fabric glued around the top tubes then you make your
overlap. That gives you 2 spots you are anchored to tubes all the way around
the perimeter: one high and one low. If I do one piece I will only anchor at
the top. I don't know that it makes a difference so that's why I ask.
I was able to take the fabric up to 350F on my wings and 320F on everything else.
I'll do 350F on the fuselage too as I can't see that distorting. At 320F my
elevators bowed just a little bit but I was able to straighten them back.
When I was making a covering list, I looked over your website and saw you ordered
30 yards for a Firefly and I know the Firestar has longer wings and a longer
fuselage. Aircraft Spruce had an ultralight estimate of 25 yds Uncertified light
fabric, 3 rolls of 2" pinked tape, 1 roll of 3" pinked tape, plus all the
Polyfiber stuff. By the time I ordered the material I knew I was going to do
the weinerdogaero latex method so I didn't need to order polyfiber liquids. Anyhow
I ordered 35 yards of Superflite 104 uncertified, 3 rolls of 2" tape (only
used 1 1/2 of them), and I did use some of the 3" tape on the wings. You had
about 1 yard left over. I am not short on my fabric but I also do not have any
length left over, not even 6". Sure I have a box of cut scraps but they are
all cut offs. I'm glad I was careful when laying out my parts as I almost was
short. When I cut the fabric for one elevator I made a mistake and it was too
long so there was a little extra scrap there.
Thanks for keeping your website up as that was a big help when I couldn't find
any lists for how much a Firestar 2 needed.
Jay
Sent:Saturday, January 28, 2023 at 9:08 PM
From:"Stuart Harner" <stuart@harnerfarm.net>
To:kolb-list@matronics.com
Subject:Re: Kolb-List: fuselage fabric for Firestar
One would think that if you have one piece big enough to do it all that
would be the way to go.
Easier to install and fewer lap joints to come up later.
For the Firefly, I ordered two yards more they specified and didn't
waste much. When I was done there was only about a yard left. Glad I got
the extra up front.
I don't think the welded fuselage would care which technique you use. It
is the only part of the airplane that I used full heat of 350 though.
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