While you're at it, stick a hook on the tail as well, then there will be a ready market for a useful glider tug!
When it comes to a classic frame that happily upgrades to a bigger, bigger and yet bigger horse up front, consider the J3 cub, that used to fly around with its cylinders protruding, back in the 1930's. Beef up the frame, stick on some flaps, add a 90 hp, you've got a Supercub! Used in the military for artillery spotting, one actually BROUGHT DOWN A MESSERSCHMIDT during WWII.
Add some more hp, 150 engine, beautifully balanced aircraft to fly, useful in so many many ways, take off and land using a rough short field, fly with floats, skis, tundra tyres, land on a levee or a sand bar or a beach, pull a banner, remove the cowling and doors, and fly in the open air! And then beef up the frame a bit more, soup up the Lycoming to 180, and that darling Piper will pull up a glider with 22 meter wingspan and a couple of heavy chaps, to say nothing of a turbo handy get-you-home engine hiding in the trapdoors on the rear fus...I really really miss my Piper Cub.
If anybody still wants to learn to fly a real aeroplane, GOFER is now used for training at White Waltham.