Did you have the old 90 degree servo connectors with 2 pins close together and the other a little farther? If so, those are really old servos. it's in your best interest to really check them closely for smooth movement and be sure that vibration doesn't cause any unwanted movement. Also, don't even think about using the batteries that came with the planes unless you are sure the seller bought them within the last year. With planes that old, there is only about a .00001% chance that he did. Buy new batteries and new good quality switches so that you'll be able to trust your electrical system.

I'll also second the advice of others to get with a club. And don't go into this planning to crash, because that's exactly what you'll do with that mindset. Many many people go through training and advance into their 2nd and 3rd planes with never a single crash. Sure, the law of averages says that a mishap will happen eventually, but having a positive mindset and planning for success will stop the vast majority of those mishaps from happening. On a related note, when you contact the local club and hopefully speak with an instructor, make it clear that you're a newbie to both flying and building and ask him to go over your plane with a fine toothed comb before flying it. Make it clear that these are old planes that you've fixed up and you want to have your work checked over and will appreciate any errors he can point out for you. It's amazing how many obvious errors you can miss over and over again while setting up a plane that a fresh set of eyes will catch instantly. And, of course, it's not so amazing how many things a new hobbyist doesn't know about proper setup that is old hat to those who have a few years behind us.