ULF-1
ULF-1 Discussion Archive
Anonymous static archive of the former Mailman list

Re: [ULF-1] Help to find GL1 Plywood

From
Member 52
Date
2018-06-18 07:18 UTC+02:00
Message
#0634
https://www.laboisserolle.fr/aviation.html#

[phone]:39 GMT+02:00 Member 117 <[email]>:

> Hi to all.
>
> I start looking for Plywood GL1 for start my ULF-1 project, but its hard
> to find.
>
> In same forums some user said the designation GL1 its no longer available
> since 2012, and the new designation is AB/B, this is true? in my mind this
> type off classification normally its for maritime plywood.
>
> I need help too understand, where i can find the correct birch plywood for
> my project in Europe preferably.
>
> I try to look for in Portugal is a waste of time, nobody gives me GL1.
>
> Thank you for your help.
>
> best regards for all from Portugal
>
> Member 117
>
> > No dia [phone], às 22:03, [email] escreveu:
> >
> > Send Ulf-1 mailing list submissions to
> >       [email]
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >       http://lists.ulf-1.com/listinfo.cgi/ulf-1-ulf-1.com
> > or, via email, send a message with subject or body 'help' to
> >       [email]
> >
> > You can reach the person managing the list at
> >       [email]
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Ulf-1 digest..."
> >
> >
> > Today's Topics:
> >
> >   1. ULF-1 spar destructive test (Member 117)
> >   2. Re: ULF-1 spar destructive test (Member 72)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Wed, 2 May 2018 14:54:25 +0100
> > From: Member 117 <[email]>
> > To: [email]
> > Subject: [ULF-1] ULF-1 spar destructive test
> > Message-ID: <[email]>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Good afternoon
> >
> > I am preparing all the materials to begin the construction of a ULF-1 in
> Portugal, and I saw on the web, that the EAA Chapter 309 in North Carolina
> performed a  ULF-1 Spar destructive test, it is possible to have access to
> these data? and if the construction of the spar was carried out according
> to the instructions in the manual ?
> >
> > thank you
> >
> > Best regards,
> >
> > Member 117
> >
> >
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <http://lists.ulf-1.com/private.cgi/ulf-1-ulf-1.com/
> attachments/[phone]/8d12f2af/attachment-0001.html>
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Wed, 2 May 2018 17:00:29 -0400
> > From: Member 72 <[email]>
> > To: [email]
> > Subject: Re: [ULF-1] ULF-1 spar destructive test
> > Message-ID: <[email]>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hi Nuno,
> >
> > Good luck with your
> > Build!  We deviated from the plans with the attachment fittings at the
> wing roots.  The plans call for tubular rivets to be used to attach the
> steel fittings to the spar caps.  We did not have the tooling to fabricate
> these large rivets.  So, at each station that required a rivet, we drilled
> a 1/2? hole and epoxied a nylon lug or bushing into the hole.  The nylon
> lugs have a 1/4? hole drilled down the center to accept an AN-4 aviation
> bolt.  We epoxied the steel spar fittings on, with their 1/4? holes
> pre-drilled to match the holes on the nylon lugs.  Then, we added the
> bolts, washers and nuts.  We were in contact with Member 9, the
> designer, at Aero in Germany.  Because of our deviation to his plans on the
> most heavily loaded part of the airframe, he asked us to perform a
> destruction test and gave us a minimum breaking strength.  Fortunately we
> were well over his minimum figure, and he blessed our design deviation!  If
> we were to do it again, we would consider using 1/2? phenoli
> > c rod rather than the nylon.  But, the nylon lug material worked OK.
> >
> > Best regards,
> > Member 72
> >
> >
> >
> > Sent from my iPhone
> >
> >> On May 2, 2018, at 9:54 AM, Member 117 <[email]>
> wrote:
> >>
> >> Good afternoon
> >>
> >> I am preparing all the materials to begin the construction of a ULF-1
> in Portugal, and I saw on the web, that the EAA Chapter 309 in North
> Carolina performed a  ULF-1 Spar destructive test, it is possible to have
> access to these data? and if the construction of the spar was carried out
> according to the instructions in the manual ?
> >>
> >> thank you
> >>
> >> Best regards,
> >>
> >> Member 117
> >>
> >>
> >> _______________________________________________
> >> ULF-1 discussion list -- [email]
> >>
> >> Subscribe, Unsubscribe, Preferences, List information:
> >> http://lists.ulf-1.com/listinfo.cgi/ulf-1-ulf-1.com
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <http://lists.ulf-1.com/private.cgi/ulf-1-ulf-1.com/
> attachments/[phone]/ff554e2a/attachment-0001.html>
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
> > _______________________________________________
> > Ulf-1 mailing list
> > [email]
> > http://lists.ulf-1.com/listinfo.cgi/ulf-1-ulf-1.com
> >
> >
> > ------------------------------
> >
> > End of Ulf-1 Digest, Vol 69, Issue 1
> > ************************************
>
> _______________________________________________
> ULF-1 discussion list -- [email]
>
> Subscribe, Unsubscribe, Preferences, List information:
> http://lists.ulf-1.com/listinfo.cgi/ulf-1-ulf-1.com




-- 
pascal