Harley-Davidson based their military model on the their J series motorcycle. It used a 61 cubic inch F-head motor which produced 15 horsepower, putting it below the Indian in terms of power. It also used a three speed hand shift transmission and a frame with front suspension.
Arrowroot is an easily digested starch extracted from the roots of the arrowroot plant, Maranta arundinacea. The plant is native to the tropics of South America, where it has a long history of cultivation by native peoples.
The part of the plant that grows above ground may grow to 180 cm (6 feet) tall, and produce cream-coloured flowers. It is cultivated in Australia, Bermuda, Brazil, the Caribbean, southern China, South Africa and south east Asia. You can find fresh arrowroot in Chinese markets for use as a vegetable in cooking.