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Cox Engine of The Month
I Got Cheated!
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I Got Cheated!
I got a Carl Goldberg Swordsman 18 at the Reeves Memorial Stunt Contest this weekend. I just opened it up and measured the wing. IT’S NOT 18 INCHES!!!! The wingspan is only 17 5/8”! I was robbed!!!
The Precise Mark
The Precise Mark
batjac- Diamond Member
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Posts : 2367
Join date : 2013-05-22
Age : 61
Location : Broken Arrow, OK, USA
Re: I Got Cheated!
Mark, 17.625 inches (448 mm) is 18 inches rounded up. Is your kit the Goldberg original or is a retro by another?
I'm away so can't measure, but when I am able to, will check my Goldberg original.
I'm away so can't measure, but when I am able to, will check my Goldberg original.
GallopingGhostler- Top Poster
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Posts : 5619
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
Re: I Got Cheated!
Actually, I worry distortion in about scanned plans. Not that it's enough to matter in most cases. I was recently working with the BeeTween plans from outerzone and found some discrepancies, I think the elevator was 1/16" or 1/8" asymmetric or the like, but this must have been a drawing error. Anyway when you're crazy like me and work in .0001" often, this stuff bothers me a bit.
Why was I playing with Bee Tween plans? I think I need a WeeTween at about 80% of original with, you guessed it, PeeWee power.. Maybe even a VeeTween with a V tail? I'll probably go with a stick fuselage and control surfaces.
Why was I playing with Bee Tween plans? I think I need a WeeTween at about 80% of original with, you guessed it, PeeWee power.. Maybe even a VeeTween with a V tail? I'll probably go with a stick fuselage and control surfaces.
gkamysz- Gold Member
- Posts : 401
Join date : 2018-02-22
Location : Chicagoland
Re: I Got Cheated!
GallopingGhostler wrote: Is your kit the Goldberg original or is a retro by another?
It was a still sealed-in-plastic Carl Goldberg kit.
The Fantastic Mark
batjac- Diamond Member
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Posts : 2367
Join date : 2013-05-22
Age : 61
Location : Broken Arrow, OK, USA
Re: I Got Cheated!
I think you found your answer, Mark. Makes sense. Die cutting a wing with tips from half a sheet of 36" standard stock balsa sheet to give 2 wings would need a little left over overhang for clean tips. So, 3/16" for clamping the balsa edge for the die gives a slightly shorter wing.batjac wrote:It was a still sealed-in-plastic Carl Goldberg kit. The Fantastic Mark
That would be my best guess from the manufacturing process.
The Fudgemeister Jorge.
GallopingGhostler- Top Poster
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Posts : 5619
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
Re: I Got Cheated!
Well, that might be a good surmise for an older kit. But this is one of the later kits that were laser cut. Should be no errors if the laser settings were correct. So I'm going with the Goldberg company having a personal vendetta against me....
The M for Mark
The M for Mark
batjac- Diamond Member
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Posts : 2367
Join date : 2013-05-22
Age : 61
Location : Broken Arrow, OK, USA
GallopingGhostler- Top Poster
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Posts : 5619
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
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