Quote Originally Posted by Warren Lake View Post
video clipped at 30 seconds as the saw auto feeds towards the operator. As the past british guy taught us use a straight arm and that wont happen.


https://www.youtube.com/watch?v=5l2mwResyvA
The video Brian linked to, the Geaule ZS135, has a cable that pulls the saw back. Adjusted properly, the saw can not self feed. MANY Ras's have this feature, that go by different names.
Return mechanism, recoil mechanism, Automatic reversal spring, etc.

The video you linked to is a Stromab US12 RAS, it has a "Spring-operated carriage return"

If the saw is auto feeding, the return mechanism is not adjusted properly.
There is no need for the straight arm technique, unless that's what makes you comfortable.