Newshound Posted July 9, 2012 Author Report Posted July 9, 2012 Yes, lets all send emails to them requesting a Borescope alternativc. Send the Grob mail and email address to the group and lets start sending them mail. AlsoMore... Quote
Newshound Posted July 9, 2012 Report Posted July 9, 2012 Yes, lets all send emails to them requesting a Borescope alternativc. Send the Grob mail and email address to the group and lets start sending them mail. AlsoMore... Quote
OLD VIKING Posted July 11, 2012 Report Posted July 11, 2012 Hi Everybody. I am new to the Forum and live in Luxembourg. I own a Europa motorglider and have a 1/4 share in a Grob G109B Motorglider. I did install an inspection hatch in the fin of our G109B (LX-CRJ). The job is not difficult very difficult, following the Grob instructions and using the Grob supplied parts. The important point, is to secure the parts with a long, thin string to avoid them dropping into the fin cavity. If not, you will have fun getting them out. Grob supplied us with one aluminum bar to hold the slightly curved part in place during cure. We found that you really need two bars, across the top two screw holes and across the lower two. Also a correct warming (tempering) of the completed job needs to be done. We did not find any sign of corrosion. And I agree, you may be able to perform the check by means of a borescope. The only danger is where you put the inspection hole(s), not to weaken the tailplane stiffness. Quote
OLD VIKING Posted July 11, 2012 Report Posted July 11, 2012 Hi Everybody. I am new to the Forum and live in Luxembourg. I own a Europa motorglider and have a 1/4 share in a Grob G109B Motorglider. I did install an inspection hatch in the fin of our G109B (LX-CRJ). The job is not difficult very difficult, following the Grob instructions and using the Grob supplied parts. The important point, is to secure the parts with a long, thin string to avoid them dropping into the fin cavity. If not, you will have fun getting them out. Grob supplied us with one aluminum bar to hold the slightly curved part in place during cure. We found that you really need two bars, across the top two screw holes and across the lower two. Also a correct warming (tempering) of the completed job needs to be done. We did not find any sign of corrosion. And I agree, you may be able to perform the check by means of a borescope. The only danger is where you put the inspection hole(s), not to weaken the tailplane stiffness. Quote
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