John, Is changing from fabric wings to aluminum-skin wings absolutely the only thing done to your plane between the two *scale-weighed* Weight & Balances or were there other things done between the two? Also, were both scale weighings done with the same configurations?
Thanks Tom On Thu, Nov 5, 2009 at 7:26 PM, john kuhfahl <[email protected]> wrote: > > > Ed, > 11 pounds total gain, again according to the new W and B. .020 aluminum > skin. > > --- On *Thu, 11/5/09, Ed Burkhead <[email protected]>* wrote: > > > From: Ed Burkhead <[email protected]> > > Subject: RE: [ercoupe-tech] Reskin Eurcoupe wings with alluminium > To: "'john kuhfahl'" <[email protected]> > > Cc: [email protected], [email protected] > Date: Thursday, November 5, 2009, 7:27 AM > > > > > > > Good information, John. > > > > Was that 11 pound differential for the pair of wings or 11 pounds per wing? > > > > We’ve had a group member who had wings in his shop and put each on the > scale. He found a 20 pound difference between the fabric covered and the > metal covered. This matches the old-time handed-down wisdom. Hence, I > always quote it as the possible weight difference. > > > > Others have said they got less of a weight difference. That’s great. > How? Thinner aluminum? > > > > Ed > > > ------------------------------ > > *From:* john kuhfahl [mailto:johnkuhfahl @yahoo.com] > *Sent:* Thursday, November 05, 2009 7:11 AM > *To:* Ed Burkhead > *Cc:* vanderwaltpierre@ rocketmail. com; ercoupe-tech@ yahoogroups. com > *Subject:* RE: [ercoupe-tech] Reskin Eurcoupe wings with alluminium > > > > 1. According to my logs, metal wings empty weight increased by 11 > pounds--seems about right to me. > > 2. You* can* take the metal off, or at least open it up, every 20-30 > years--I just did it. 2-part self-etching epoxy primed everything. This > will last a long time! Plus we now have all those inspection holes. > > 3. You should not leave airplanes uncovered outside, especially a > 'Coupe--they leak. Ceconite recommends recover every 7-10 years for outside > planes. The fabric wings will be safe from hail but the rest of the plane > will be hail-damaged? > > 4. Piere is looking for that polished aluminum look--I say go for it! > > Just another view--John N2138H > > > >
