Richard Riley wrote:
On 9 May 2005 06:54:35 -0700, wrote:
:
:One or more of the newer paramotoring engines uses opposed
:cylinders joined with what is called a 'Scottish Yoke'.

'Tis a SCOTCH yoke ya wee buggerin' nit!

http://www.brockeng.com/mechanism/ScotchYoke.htm

Also every prototype scotch yoke engine has battered itself apart in
short order. It seems Otto got it right the first time.

Tony