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If I'm not mistaken, and I usually am, the increase is 38 pounds. And if we want to throw out more junk, don't forget about the weight of the paint! ----- Original Message ----- From: "Kevin Gassert" <[EMAIL PROTECTED]> To: "'Hartmut Beil'" <[EMAIL PROTECTED]>; "'Walt Uebele'" <[EMAIL PROTECTED]>; "'Bill McNeeley'" <[EMAIL PROTECTED]>; "'Coupers Tech'" <[email protected]> Sent: Wednesday, April 06, 2005 8:11 AM Subject: RE: [COUPERS-TECH] Wing Weights > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > > I assumed everyone was talking about the comparison between wings covered in > the two materials. Of course the comparison of an uncovered wing with one > covered in metal is not a valid comparison. So has all the discussion in the > past on the weight penalty of 38 or so pounds of the metal wings been on the > comparison of covered wings? > > Kevin > > > > -----Original Message----- > From: Hartmut Beil [mailto:[EMAIL PROTECTED] > Sent: Wednesday, April 06, 2005 4:33 AM > To: Walt Uebele; 'Bill McNeeley'; 'Coupers Tech' > Subject: Re: [COUPERS-TECH] Wing Weights > > ----[Please read http://ercoupers.com/disclaimer.htm before following any > advice in this forum.]---- > > > Although we had that discussion before, I am not convinced that the empty > weight will go up by exactly 40 lbs when converting the wings to all metal. > Sure the aluminum weight added is around 40 pounds. Throw in a handful > rivets. > But on the other hand, before covering the wings with sheet metal , you > remove the fabric from the wings. This fabric , soaked in dope and paint is > not weightless, one has to subtract the weight of the fabric from the total > numbers. So instead of an increase of 40 pounds in weight, one might end up > with a total of 20 pounds. > > Hartmut > ----- Original Message ----- > From: "Walt Uebele" <[EMAIL PROTECTED]> > To: "'Bill McNeeley'" <[EMAIL PROTECTED]>; "'Coupers Tech'" > <[email protected]> > Sent: Wednesday, April 06, 2005 6:50 AM > Subject: RE: [COUPERS-TECH] Wing Weights > > > > ----[Please read http://ercoupers.com/disclaimer.htm before following any > advice in this forum.]---- > > > > > > Bill, > > > > My 415-C fabric covered wings were modified by STC to all metal in 1962 > > using drawings and instruction #103000 from Birtcraft Engineering Company. > > Added 32 pounds to the empty weight. > > > > > > > > Walt Uebele > > > > 1946 415-C > > > > N94113 > > > > > > > > _____ > > > > From: Bill McNeeley [mailto:[EMAIL PROTECTED] > > Sent: Tuesday, April 05, 2005 9:47 PM > > To: [email protected] > > Subject: [COUPERS-TECH] Wing Weights > > > > > > > > > > ----[Please read http://ercoupers.com/disclaimer.htm before following any > > advice in this forum.]---- > > > > > > My partner and are looking to buy an SLA qualified Ercoupe. Useful load > is > > important consideration. Can anyone tell me the difference in weight > between > > fabric and metal Ercoupe wings. > > > > > > > > > > > ========================================================================== == > > == > > > > To leave this forum go to: http://ercoupers.com/lists.htm > > > > Search the archives on http://escribe.com/aviation/coupers-tech/ > > > > > > > > > > > > > > > > > ========================================================================== == > == > > To leave this forum go to: http://ercoupers.com/lists.htm > > Search the archives on http://escribe.com/aviation/coupers-tech/ > > > > > > > ========================================================================== == > == > To leave this forum go to: http://ercoupers.com/lists.htm > Search the archives on http://escribe.com/aviation/coupers-tech/ > > > > ========================================================================== == == > To leave this forum go to: http://ercoupers.com/lists.htm > Search the archives on http://escribe.com/aviation/coupers-tech/ > > > > ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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