Thanks for all the feedback Theo & Michael. Since I already have the FeatherTwo I may as well try that with the old receiver & if that doesn't work I'll know what's wrong & what to do about it.

Adam I have one (or two) of those Shakey antweights & I cannot recommend them enough. Not only are they fun but they also can teach you a lot without you even realising it. For instance since they run on Lipo batteries I learned how to handle them properly.