My background includes
solar thermal, diesel co-gen, thermo-electrics and especially HUMAN POWER.
 
Mike Taggett - R&D director

In the interest of harnessing the energy of human beings I have worked out the best way to produce the most power with the arms and legs working in unison. Power produced equates to power burned; so you know that you are getting the most complete workout possible. The HD-4.2