Page 3 of 3
Re: Pietenpol-List: Re: wings
Posted: Fri Apr 28, 2017 9:36 pm
by matronics
Original Posted By: Ryan Mueller
I mean=2C if I were building a 300-HP=2C 300-MPH airplane this would be a concern. The plane I'm building will probably never get to 100 MPH and will probably never see more than 1.5 - 2.0 Gs. Give me a break!----- Original Message -----
Re: Pietenpol-List: Re: wings
Posted: Fri Apr 28, 2017 9:36 pm
by matronics
Original Posted By: Ryan Mueller
I mean=2C if I were building a 300-HP=2C 300-MPH airplane this would be a concern. The plane I'm building will probably never get to 100 MPH and will probably never see more than 1.5 - 2.0 Gs. Give me a break!----- Original Message -----
> Pietenpol-List: Re: wings
Posted: Fri Apr 28, 2017 9:36 pm
by matronics
Original Posted By: "Charles Campbell"
> --> Pietenpol-List message posted> by: "Don Emch" > > Hi Chuck,> > I really feel for you and the bad feeling you get at the> thought of re-doing something like this. It just> sucks! > > I know that Douglas Fir is supposedly stronger, but even> the rear spars don't appear to meet the specs. I> understand a big reason for the grain per inch spec has some> to do with warpage, but strength is a very big issue> too. Strength that is measureable and consistent is> found in spar examples that meet the specs. If you> don't meets those specs then you really don't know what you> have.> > Again the whole idea of re-doing something like this> sucks. I made center section fittings I didn't think> were good so I dismantled the whole centersection and built> new. Then there was the time the hangar collapsed on> the finished airplane and I had to rebuild. It just> sucks!> > Maybe you could cut the upright where the rib is glued to> the spar and then when replacing the spar you could just> splice in a new upright. That's how I rebuilt my> centersection.> > Don Emch> NX899DE> > > > > Read this topic online here:> >
http://forums.matronics.com/viewtopic.p ... 315#335315> > > > > > > > Email Forum -> FAQ,> - MATRONICS WEB FORUMS -> List Contribution Web Site -> -Matt> Dralle, List Admin.> > > > ________________________________________________________________________________