Then I guess one would have to determine how far from the center of the cap the cap ceases to be a structural part of the cap and becomes just a flange. Someone in the past must have determined this crack was OK before they covered it up. I wonder if they documented it?
Kevin --- In [email protected], "AJ DeMarzo" <[EMAIL PROTECTED]> wrote: > > Kev; > As an assembly, any crack in the spar may be called a crack in the spar. You are correct in the interpretation of what I'm calling a flange but it's still the spar cap! Any determination of that condition needs to be made by an IA after looking at it. > > Check with Glen on the details of the pics. > > Al DeMarzo > Visit the Ercoupe Swap Page > Free, Easy and No Membership Required > http://www.ercoupeowners.com/swap/swapbook.htm > > > ----- Original Message ----- > From: kgassert > To: [email protected] > Sent: Sunday, February 17, 2008 9:40 AM > Subject: [ercoupe-tech] Re: Crack Spar > > > I think we are getting our cracks confused and maybe some > terminology. Or am I the only one confused? Some are talking about > web cracks and some are talking about cap cracks. Now we have flange > cracks. Al, are you calling this the flange because it is the part > of the cap that spreads out to give a place to attach the tank and > walkway box? If so I am with you here in that the crack is not in the > cap. It looks like someone in the past saw it that way also because > they put a cover up patch on it. Is that doubler on the web a > standard piece or is that SMK-60? I see the red marks on photo 5 but > I don't see a crack? > > > Kevin > > --- In [email protected], "AJ DeMarzo" <noshitoal@> > wrote: > > > > Glen; > > Your pic #4 shows a crack that was previously addressed. I can > tell you that there are a bunch of coupes out there with similar > cracks on the spar "flanges", and it wouldn't seem to affect the > integrity of the spar at all. I think this one would be at the call > of an IA. Was this repair in the books? > > > > Al DeMarzo > > Visit the Ercoupe Swap Page > > Free, Easy and No Membership Required > > http://www.ercoupeowners.com/swap/swapbook.htm > > > > > > ----- Original Message ----- > > From: Glen Davis > > To: Ercoupe Technical Discussion (moderated) ; Hartmut Beil > > Sent: Sunday, February 17, 2008 6:29 AM > > Subject: Re: [ercoupe-tech] Re: Crack Spar > > > > > > > > Hartmut > > > > To see the images of the damage to my spar, go to: > > > > http://www.glendavis.smugmug.com/gallery/4343454_Uo4Qs#254813504 > > > > Glen > > From: Hartmut Beil > > Sent: Sunday, February 17, 2008 6:56 AM > > To: Ercoupe Technical Discussion (moderated) > > Subject: Re: [ercoupe-tech] Re: Crack Spar > > > > > > > > Guys. > > > > Why going overboard with this question. > > > > There was a request for an image of a crack in the spar area. > > > > When I read that I had immediately the image from the Skyport > site in mind. I have not seen a photograph of a crack in a spar. If > someone has one, please send it to me. > > > > The crack in the rib that we are now discussing is a result of > a bad design. The center section flexes at least a little on every > landing, and the rib needs to give at that point. But due to the > cutout for the spar, the rib is weakened here, can't give as much and > the place for the crack is therefore pre-defined. > > > > Nothing to get exited about. > > This crack can develop after one hard landing, even in a brand > new center section. It is a good reminder for all of us to check the > area at the next annual. > > > > Even though the rib represents a structural item, I do not > consider a crack there as a safety hazard. The main attachment point > of the rib is in the front and the lug ,the crack is parting is not > carrying the main load here. > > > > > > Hartmut > > > > > > > > > > > > > > ----- Original Message ----- > > From: Syd Cohen > > Cc: [email protected] > > Sent: Sunday, February 17, 2008 12:47 AM > > Subject: Re: [ercoupe-tech] Re: Crack Spar > > > > > > Lee, > > > > No crack in my spars, I guarantee that. > > > > Syd > > > > > > > > leedee@ wrote: > > > > > > I have been told that many coupes have this crack, but it > isn't noticed as it is smaller in most cases. Don't look at yours > with a magnifying glass unless you want to see a crack. > > > > Lee > > > > -- Syd Cohen <sydlois@> wrote: > > > > > > Whoa, Al. "I'm still reeling at the imbecile with the EOC > who was interviewed about a pending AD and agreed that it was a good > idea" > > Contact me off line or on my cell phone at 715-573-7063. I > think you've got the facts terribly backwards. > > > > Syd > > > > > > AJ DeMarzo wrote: > > > > > > Be careful what you wish for. If indeed Univair found it > necessary to address a problem with a crack in the spar, the ENTIRE > FLEET, that's right, the ENTIRE FLEET could be grounded. Overall > statements of what Univair should be doing must be avoided at all > costs. Cracks should be addressed by individual mechanics based on > the crack guidelines already published, but which are now teetering. > When the current stock of spars are gone, what do you think it would > cost for another run? Are you willing to pay $11K for the parts? > > > > Never wish for or agree with the establishment of an AD. > I'm still reeling at the imbecile with the EOC who was interviewed > about a pending AD and agreed that it was a good idea. When asked > these types of questions, one should consider a buzz off and let the > structural engineers address it. > > > > Al DeMarzo > > Visit the Ercoupe Swap Page > > Free, Easy and No Membership Required > > http://www.ercoupeowners.com/swap/swapbook.htm > > > > > > > > > > > > ----- Original Message ----- > > From: JSavot@ > > To: fraserlane@ ; [email protected] > > Sent: Saturday, February 16, 2008 9:33 AM > > Subject: Re: [ercoupe-tech] Re: Crack Spar > > > > > > > > In a message dated 2/16/2008 9:02:19 A.M. Eastern > Standard Time, fraserlane@ writes: > > John Cooper has a photo of a spar crack, and also > drawings of > > brackets to reinforce this location on his website > www.skyportservices.net > > > > > > SMK60 is a reinforcement for the rib. I don't believe > that it is a fix for a > > cracked rib - only a reinforcement to prevent such > crack. The crack is in > > Glenn's spar cap and that is the crack that I think > Univair should address > > a fix for. > > John > > > > > > > > > > > > > > ---------------------------------------------------------- > > The year's hottest artists on the red carpet at the > Grammy Awards. AOL Music takes you there. > > > > > > > __________________________________________________________ > > Compete with the big boys. Click here to find products to > benefit your business. > > > > > > > > Glen > > > > > > > > Glen Davis > > 917 297 1111 > > www.ishootpictures.com > > www.ercoupepilot.com > > >
