У вашего броузера проблема в совместимости с HTML5
Using a cheap table saw motor to build an efficient blower for a dust collector
http://woodgears.ca/dust_collector/blower_build.html
Plans available here:
http://woodgears.ca/dust_collector/plans
You can get plans for this blower as part of my small dust collector plans: http://woodgears.ca/dust_collector/plans