The slingshot is a two piece hammer. The outer driven by the main hammer spring contacts the valve face and the inner is then slung forward and contacts the valve. The inner is sprung, connected to the outer. The GTA thread does compare the two. Rsterne does a much better job explaining the SSG but in short here it is below:"Rami939"It's a SlingShot Hammer .
It was developed or patented by Daystate,I think ?
For what I've read, this SSG system is based on that concept .
Please correct me if I'm wrong .
The SSG as shown in the picture AJ shows is just a hammer spring on a guide. It is compressed when cocked. Propels the hammer forward upon sear release but then the spring stops extending as limited by the guide. The hammer continues to coast a short distance to where it hits the valve.
In a normal setup as the valve closes it propels the hammer back, compressing the main spring and the main spring shoves the hammer back into the valve releasing more air, wasting the air..
With the SSG the valve closes and sends the hammer back but its coasting back without compressing the mainspring and hammer/valve bounce is eliminated.
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