http://cgi.ebay.co.uk/linear-actuator_W0QQitemZ180166771152QQihZ008QQcategoryZ2 9783QQssPageNameZWDVWQQrdZ1QQcmdZViewItemhttp://cgi.ebay.co.uk/linear-actuato...8QQcategoryZ29 783QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

is that the sort of linear actuar i would need? and what stroke is best?

alex