Composite-ARF Impact question

[Amir Neshati]

Ed, I'm sure they pull gently ;-) I wonder if they are using CNC'd aluminum
molds.

I find it hard to believe that 350 different pilots actually can all fly
straight, regardless
of their planes, or recognize a not so straight machine in flight.

Back to you, Ed....I hope that satisfied some of your "curies" ;-)
>
> WOW! 350 pulls from the same mold! I'm impressed! I really like to see the
> molds. We're usually replacing molds after 100 pulls max. After that, the
> quality especially the parting line (seam) would be unacceptable to our
> quality standard. Guess, I still have a lot to learn.
>
> Also, how do they know all 350 fly perfectly straight? Did they call
> everyone to verify? Just curies. ed
>
> ----- Original Message -----
> From: Adam Quennoz <aquennoz at ipa.net>
> To: <discussion at nsrca.org>
> Sent: Tuesday, February 01, 2005 4:26 PM
> Subject: Re: Composite-ARF Impact question
>
>
> > I'm glad to see others are seeing the same thing.  I thought I was
> > nuts.  I e-mailed Composite-ARF about this issue.  Here's the reply:
> >
> > Hello Adam,
> >
> > since 350 Impacts come from the same molds, and all fly perfectly
> straight,
> > there is no manufacturing error in yours.
> >
> > The center line (seam line) is a little bit out of center, this might
make
> > it appear not straight, possibly.
> >
> > If the fuselage got pressure during shipping / storing, so that the fin
> was
> > slightly twisted in the box, this can be easily fixed when gluing in the
> > rear hinge post. But actually, I do not think that you would have to
make
> > any corrections, as I know that the fin appears to be a little bit off,
> but
> > it doesn't. the planes fly dead straight.
> >
> >
> >
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