ULF-1 Discussion Archive
Anonymous static archive of the former Mailman list
Anonymous static archive of the former Mailman list
Re: [ULF-1] Ulf-1 Digest, Vol 70, Issue 8
Parts can be wrapped with string and glue , boted , riveted , who knows what else ? On Tue, Jun 12, 2018, 7:57 AM Member 116 <[email]> wrote: > I disagree about not sanding before gluing. A power planer of a hand > planer bends the fibers over and leaves a shiny surface, not good for glue > penetration. I have a cabinet shop and glue stuff together daily. For a > couple years I glued up 12 ply (birch and maple) propeller blanks for a > prop manufacturer. All those ply's after planeing were smooth and shiny > because of the bent over fibers. Before gluing (with Resorcinol glue) I'd > run over them with a belt sander/80 grit across the grain, one pass to give > the Member 60 some (tooth). Then use a shop vac to clean and make those > (damaged) fibers stand up straight and accept more glue penetration. > > On Mon, Jun 11, 2018 at 2:03 PM, <[email]> wrote: > >> 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. Re: Ulf-1 Digest, Vol 70, Issue 4 (Member 118) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Mon, 11 Jun 2018 20:37:56 +0100 >> From: Member 118 <[email]> >> To: [email] >> Subject: Re: [ULF-1] Ulf-1 Digest, Vol 70, Issue 4 >> Message-ID: <[email]> >> Content-Type: text/plain; charset="us-ascii" >> >> Hi, >> >> Just a point on sanding. Not recommended for the Member 60 surfaces, but an >> absolute must for plywood in order to remove the release agent that is >> generated in the manufacturing process from the surfaces to be glued >> otherwise there is a risk of failure. Give it a good brush after to remove >> the dust. >> >> Regards, >> >> Colin >> >> Sent from my iPad >> >> > On 11 Jun 2018, at 15:07, Member 121 <[email]> wrote: >> > >> > Sounds like i got dropped into this gluing surface preparation >> conversation . >> > I thought you meant don't do it on the patio . >> > >> > >> > >> > Sent from my MetroPCS 4G LTE Android Device >> > >> > -------- Original message -------- >> > From: Member 50 <[email]> >> > Date: 6/11/18 1:39 AM (GMT-07:00) >> > To: [email] >> > Subject: Re: [ULF-1] Ulf-1 Digest, Vol 70, Issue 4 >> > >> > Double sided tape works well on long lengths >> > >> > -----Original Message----- >> > From: Ulf-1 [mailto:[redacted] On Behalf Of Austin >> > Member 111 >> > Sent: 11 June 2018 02:20 >> > To: [email] >> > Subject: Re: [ULF-1] Ulf-1 Digest, Vol 70, Issue 4 >> > >> > Hi Greg. >> > >> > The instructions pretty clearly forbid the use of sanding to shape as it >> > damages the fibers. >> > >> > I have a block plane but was wondering which other types of planes will >> be >> > needed, and if a band saw can be used to get it roughed out first. I >> have >> > ever seen nor used a toothing plane and would like information on who >> makes >> > a good one and how to use it. >> > >> > As to planing, how do you restrain the workpiece during work? A vise >> with >> > some Member 60 to keep the jaws from marring the grain. >> > >> > Thanks >> > >> > Austin >> > >> > > On Jun 10, 2018, at 6:12 PM, [email] wrote: >> > > >> > > 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. Gluing surface preparation (Member 111) >> > > 2. Re: Gluing surface preparation (Member 121) >> > > 3. Re: Gluing surface preparation (Member 121) >> > > 4. Watch "ULF-1 Sailplane 2.part" on YouTube (Member 121) >> > > 5. 120 thousandths of an inch . I used a knife to quicken the >> > > flatening of the part alignment . (Member 121) >> > > >> > > >> > > ---------------------------------------------------------------------- >> > > >> > > Message: 1 >> > > Date: Sun, 10 Jun 2018 15:58:42 -0600 >> > > From: Member 111 <[email]> >> > > To: [email] >> > > Subject: [ULF-1] Gluing surface preparation >> > > Message-ID: <[email]> >> > > Content-Type: text/plain; charset=us-ascii >> > > >> > > Member 67 et al, >> > > >> > > Did you use a fine toothing plane to rough up all spruce and ply at >> the >> > bonding areas? Could you describe your method of shaping parts with >> complex >> > geometries like spar caps? Did you use a series of planes? Would you >> mind >> > sharing what brand, type, and methodologies of cutting and sharpening >> them >> > if so? Also for inspection, was a simple scale used to measure cap >> height >> > and width or were calipers and more precise methods used? Thanks again >> for >> > being so active and forthcoming with details about your great project. >> > > >> > > Austin >> > > >> > > ------------------------------ >> > > >> > > Message: 2 >> > > Date: Sun, 10 Jun 2018 15:07:44 -0700 >> > > From: Member 121 <[email]> >> > > To: [email] >> > > Subject: Re: [ULF-1] Gluing surface preparation >> > > Message-ID: >> > > >> > > <[email]> >> > > Content-Type: text/plain; charset="utf-8" >> > > >> > > I suppose sanding a connection flat so the gusset make good flat >> > > contact first is easier with an electric sander . >> > > Let the rudder or aileron diagonals extend long , and the cut all >> > > with one pass of the saw to get perfect length on all at the same >> time . >> > > I used a caliper type micrometer that measures inside or outside . >> > > We have been using a hand plane 8 inches wide for scraping , >> shaving >> > > ( or whatever it's called ) the hand made plywood of 3 layers >> > > alternately grain direction I have to go >> > > >> > > On Sun, Jun 10, 2018, 2:58 PM Member 111 >> > > <[email]> >> > > wrote: >> > > >> > >> Member 67 et al, >> > >> >> > >> Did you use a fine toothing plane to rough up all spruce and ply at >> > >> the bonding areas? Could you describe your method of shaping parts >> > >> with complex geometries like spar caps? Did you use a series of >> > >> planes? Would you mind sharing what brand, type, and methodologies >> of >> > >> cutting and sharpening them if so? Also for inspection, was a simple >> > >> scale used to measure cap height and width or were calipers and more >> > >> precise methods used? Thanks again for being so active and >> forthcoming >> > with details about your great project. >> > >> >> > >> Austin >> > >> _______________________________________________ >> > >> 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/201806 >> > > 10/c2823f93/attachment-0001.html> >> > > >> > > ------------------------------ >> > > >> > > Message: 3 >> > > Date: Sun, 10 Jun 2018 15:19:01 -0700 >> > > From: Member 121 <[email]> >> > > To: [email] >> > > Subject: Re: [ULF-1] Gluing surface preparation >> > > Message-ID: >> > > >> > > <[email]> >> > > Content-Type: text/plain; charset="utf-8" >> > > >> > > Epoxy can be stapled to hold parts . But removing staples is a good >> > > idea when its cured or dry so the don't stain the Member 60 >> > > >> > > On Sun, Jun 10, 2018, 2:58 PM Member 111 >> > > <[email]> >> > > wrote: >> > > >> > >> Member 67 et al, >> > >> >> > >> Did you use a fine toothing plane to rough up all spruce and ply at >> > >> the bonding areas? Could you describe your method of shaping parts >> > >> with complex geometries like spar caps? Did you use a series of >> > >> planes? Would you mind sharing what brand, type, and methodologies >> of >> > >> cutting and sharpening them if so? Also for inspection, was a simple >> > >> scale used to measure cap height and width or were calipers and more >> > >> precise methods used? Thanks again for being so active and >> forthcoming >> > with details about your great project. >> > >> >> > >> Austin >> > >> _______________________________________________ >> > >> 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/201806 >> > > 10/73b31a63/attachment-0001.html> >> > > >> > > ------------------------------ >> > > >> > > Message: 4 >> > > Date: Sun, 10 Jun 2018 15:45:12 -0700 >> > > From: Member 121 <[email]> >> > > To: [email] >> > > Subject: [ULF-1] Watch "ULF-1 Sailplane 2.part" on YouTube >> > > Message-ID: >> > > >> > > <[email]> >> > > Content-Type: text/plain; charset="utf-8" >> > > >> > > https://youtu.be/86rOfjhsIIM >> > > >> > > Have you seen this video ? The ulf1 gets an engine near the end of >> > > the movie in the winter . >> > > -------------- next part -------------- An HTML attachment was >> > > scrubbed... >> > > URL: >> > > < >> http://lists.ulf-1.com/private.cgi/ulf-1-ulf-1.com/attachments/201806 >> > > 10/42d58dbc/attachment-0001.html> >> > > >> > > ------------------------------ >> > > >> > > Message: 5 >> > > Date: Sun, 10 Jun 2018 17:12:12 -0700 >> > > From: Member 121 <[email]> >> > > To: [email] >> > > Subject: [ULF-1] 120 thousandths of an inch . I used a knife to >> > > quicken the flatening of the part alignment . >> > > Message-ID: >> > > >> > > <[email]> >> > > Content-Type: text/plain; charset="utf-8" >> > > >> > > >> > > -------------- next part -------------- An HTML attachment was >> > > scrubbed... >> > > URL: >> > > < >> http://lists.ulf-1.com/private.cgi/ulf-1-ulf-1.com/attachments/201806 >> > > 10/234b95c8/attachment.html> >> > > -------------- next part -------------- A non-text attachment was >> > > scrubbed... >> > > Name: 20180610_170904.jpg >> > > Type: image/jpeg >> > > Size: 1458598 bytes >> > > Desc: not available >> > > URL: >> > > < >> http://lists.ulf-1.com/private.cgi/ulf-1-ulf-1.com/attachments/201806 >> > > 10/234b95c8/attachment.jpg> >> > > >> > > ------------------------------ >> > > >> > > 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 70, Issue 4 >> > > ************************************ >> > _______________________________________________ >> > ULF-1 discussion list -- [email] >> > >> > Subscribe, Unsubscribe, Preferences, List information: >> > http://lists.ulf-1.com/listinfo.cgi/ulf-1-ulf-1.com >> > >> > _______________________________________________ >> > ULF-1 discussion list -- [email] >> > >> > Subscribe, Unsubscribe, Preferences, List information: >> > http://lists.ulf-1.com/listinfo.cgi/ulf-1-ulf-1.com >> > _______________________________________________ >> > 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]/09d10142/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 70, Issue 8 >> ************************************ >> > > > > -- > > _______________________________________________ > ULF-1 discussion list -- [email] > > Subscribe, Unsubscribe, Preferences, List information: > http://lists.ulf-1.com/listinfo.cgi/ulf-1-ulf-1.com