As far as getting fiberglass parts for your RV. Go to
WWW.fiberglassspecialtiesinc.com. Once there, click on the catalog icon at the bottom of the page. Click on the parts for kits in the upper right corner of the page that comes up. Then click on Great Planes and scroll down to the bottom of the list and you will find wing tips, cowls, and wheel pants available. Happy landings and many of them.
Scalefan