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.
To use Arrowroot powder mix equal parts of powder and liquid to form a slurry. Then stir it into hot liquid for about 30 seconds til blended. One tablespoon of Arrowroot will thicken one cup of liquid. 1 part arrowroot powder replaces 2 parts flour. Common substitutes are: Tapioca Starch or Instant Clearjel or Cornstarch or Kudzu Powder or Potato Starch or Rice Starch or Flour. Keep in mind that each of these can produce undesirable appearance or flavor compared to the use of Arrowroot in a recipe.