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espuny(at)terra.com.br
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 Posted: Tue Jul 01, 2008 7:05 am Post subject: RES: Filler |
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Hi,
In my modest opinion, everything that's to be done by ourselves must be as perfectly as possible.
I have some rules. If not adding nocive weight or compromising the performance, I'll spend all needed time to achieve the better look possible. Not only for the eyes of other people, but for my own satisfaction and pride.
For me, blind holes of any size must be filled with light material, like a synth balsa filler, fineshed and painted. And plane rivets may not look as domestic common pop rivets.
And if there's an irregular shaped junction of two parts, like composite/aluminium joints, I prefer to sand the edges and glue a strip of levelled rubber or synthetic foam to one sof the sides, specially in cases of different parts that can move slightly from each other during plane operation or are submitted to vibration. Binding has better look than filling in these cases, and makes it easier to disassemble.
But a metal plane may look like it. I say, we must be able to notice the panels and rivets. It´s the charm of the bird. So I won't go for filling and levelling everything to make it look like a composite one.
De: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] Em nome de Bill Naumuk
Enviada em: terça-feira, 1 de julho de 2008 11:09
Para: zenith-list(at)matronics.com
Assunto: Re: Filler
John, John, John-
No homebuilder is going to say "Nice job" from 20 feet away. The only people who would wouldn't know an aileron from an elevator. Vanity or pride, take your pick.
The instinctive habit of builders zeroing in on the fiberglass/aluminum junctures is precisely why this discussion keeps recurring. I've seen everything from Jeff Small's zero filler HDS with gorgeous seams to 1/2" gaps plugged with Bondo that has fallen out and left, well, 1/2" gaps flapping in the wind. The goal is to find a filler that's going to be around for the long run if you have to use it.
After seeing Mark Langford's KR2, filling rivet domes is going overboard in my opinion. Mark has arguably the most highly tweaked Corvair conversion around in his plane, but you'd swear the airframe was built as an afterthought. Raw, unfilled, unpainted fiberglass. Think of exposed rivet domes over every square inch of flying surface, but he's 20 knots faster than the cleanest 601 out there.
Think about it. I just gave a review of at least 3 different homebuilts that I looked at in the past 5 years. You're not going to get that kind of a detailed description from viewing 20 feet away. Don't kid yourself- builders are going to notice gross imperfections, and they're really the only people whose opinion counts.
Incidentally- just saw a restored DC-3 at a local fly-in. You'd swear the rivet lines were laid out by drunken epileptics!
Bill
do not archive
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espuny(at)terra.com.br
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| Posted: Tue Jul 01, 2008 10:52 am Post subject: RES: Filler |
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That's the answer, Bill. You're right.
That's why we build a plane instead of buying an used Skyhawk.
Every finished project has a lot of our personality .
Espuny
De: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] Em nome de Bill Naumuk
Enviada em: terça-feira, 1 de julho de 2008 15:18
Para: zenith-list(at)matronics.com
Assunto: Re: Filler
Dave-
Agreed, but I've seen an absolutely beautiful natural mahogany shellaced Piet. Looks like a piece of flying furniture.
I've been at this long enough to have accepted the fact that MY project will fly on MY terms when it gets around to it.
Once again, vanity or pride.
Bill
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