• One of the earliest gas-powered model designed by Herbet H. Dowsett

    The wonderful improvements that have been made in miniature internal-combustion engines in the last few years, (for which we have to thank the power boat men) have, given us a power unit, developing nearly half horse-power, the weight of which can be held down as low as 2 lb., excluding the flywheel, which, of course, is unnecessary in aircraft.