Giuseppe Cannella had a big surprise for his mother-in-law when he put a jet engine on the back of her wheelchair. Mr Cannella says the chair can now do top speeds of more than 60mph and has proved the star of a model plane championship during the Bank Holiday. A model plane enthusiast himself, Mr Cannella has been putting on shows at Barkston Heath near Grantham, Lincs. "It is just the wheelchair