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distance to max efficiency

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MattE:
I have read that an arrow has more penetration after it recovers from flexing. This would be at least 3 yards and probably more down range.

DanaM:
I'm with Justin on this one.

possum:
The main reason I ask is due to a shot I made on a squirrel once.  It was about 7 feet away.  Bow was @45#.  The arrow never went completely through the squirrel but the squirrel did go about 10 feet from where it was perched.  I was kinda bummed because I couldn't get complete penetration on a squirrel.  But after thinking yesterday I surmised that maybe the force was absorbed when the squirrel move WITH the arrow in the same direction.  Had the squirrel weighed enough (like a deer) the the arrow would have gone through.  Am I thinking correctly?  I really want to get the best efficiency with this bow.

possum

DanaM:
That sounds like the case. The squirrel didn't have enough mass to resist the impact and therefore went for a ride

jamie:
every penetration test ive done has shown better penetration at a distance within 2 yrds and greater than 35. penetration was actually better at the longer distances . also when shooting downhill such as from a treestand or platform penetration was better than when shooting from the ground. this was all done with heavy shafts with a grain weight of 10 grains per pound or more. i use 11 -12 grains per pound for all my shooting. extremely close range tests have shown lighter shafts to be better for me. those were 8-9grains. by close i mean within 5 yrds. most of the penetration tests were done with a piece of rawhide from a moose hide from the shoulder and hump. very tough stuff. also point style effects penetration. the longer it is the better. on another note most of the bows we shoot are more than adequit to kill a deer sized animal at 20 yards so none of the above matters. i shot onew with a stone tooled bow. one of my first. it was 45lbs. the shot came from the hip with a 600 grain stone tipped arrow. deer was within 10 yrds. poked through the other side and the deer was down in 20 yards. i watched it die . it was so close i could see the life leaving it. later tested the bow weight at the same draw length. it was 35 or 38lbs with the snap shot i used. that was with that 600 grain arrow.

small game does travel with the arrow . i like to use shock rather than a lot of penetration for small game.

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