I had the viper at one time. I would say the chainsaw is around 4-5 boards weaker, and a few feet longer. Pretty much the same roll characteristics though...
Chainsaw is a LOT more responsive to wrist adjustments for me.. than I remember the Viper.
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FAILURE IS FEEDBACK. AND FEEDBACK IS THE BREAKFAST OF CHAMPIONS THAT GOT DIGESTED!
Ten pin??? Where?? I throw a BUZZSAW there is NUTTIN left on the deck... Proud MEMBER of the FOS!!
Member of the FOS, if there happens to be a 9 pin standing just toss a saw and cut it down~~!