Name a manufacturer of an airplane that had corrugated metal fuselage slab sides to strengthen the 4 place aircraft (that probably never carried four people). One of the intents of the design that was built and flew was to be powered by a wide range of horsepower engines. These engines, incidentally, were NOT all tested on the prototype.
1. Manufacturer?
2. Model nomenclature?
3. Year of first flight?
4. What was unusual about the nose gear?
5a. Range of horsepower and 5b. only engine flight tested?
BONUS for the registration number of the first aircraft and what happened to it.