Passthrough

[DEPUTY]

I am a newbie as one can tell. My question is this, What is the minimum fps a crossbow needs to have a pass-through? My Barnett Quad 400 is boasting 345fps. I am using 2 blade 125 rage expandables. Any thoughts, I respect that this is an excalibur forum but please be fair.

[OkXbowHunter]

I don't think there is a "minimum" fps for a passthrough. Too many variables to consider.

What angle is the shot
How large is the animal
Where is the shot place
What kind of animal are you shooting
What type of broadhead are you using
Bow poundage
Weight of arrow/broadhead setup
etc.

You set up should be fine to take any deer walking.

Kinetic Energy is a better gauge of what it takes to get a pass through IMHO.

Here's Excaliburs arrow performance chart. It will tell you how much Kinetic Energy is needed for a pass through on a deer.

Arrow Performance

Hope this helps

[GaryDowdy]

Brand doesn't matter to me, my friend. It's a personal choice. I prefer the recuve limbs for simplicity. As for your question, velocity factors in to the formula for kenetic engery: Velocity squared times projectile weight, divided by 450,240. With an arrow weight of 350 grns and a velocity of 345 fps you should have around 100# of K.E., enough to get a pass through on just about anything in north America. Other factors are shot placement and broadhead design. With those broadheads loss of energy should be minimal. If your talking about whitetails you'll have more than enough for pass throughs provided you stay off the shoulder.

[GaryDowdy]

I forgot to mentionthat short, light arrows like crossbow bolts shed energy quickly. Keep your shots around 35 yards and in.

[DEPUTY]

Thanks for the reply guys, as soon as my parts come in off to Bob1961's place to sight her in.

[Cossack]

Just finished making some 22'' arrows for my brother's Quad, and turning him on to Slick Trick magnums. It's not an Excal, but will definitely do the job.

Here's something you may be interested in: http://forums.crossbowmagazine.com/view ... ?f=9&t=128

[bob1961]

X2 on those slick trick 125 mags ....well well it's bout time ya moved over to the dark side dude.........bob

....

[Bill T]

I shot a deer a few years ago with a crossbow that boasted a whopping 25 foot pounds energy. The arrow zipped through the deer at 25 yards and I darned near lost it in the grass it dug in so far. Will 100 foot pounds be enough? In my opinion it's more than enough for anything that walks this earth, for deer it's overkill!

[See4miles]

Whitetail deer do not take much killing. They have thin, slender ribs (even on big deer) and lungs are soft in every animal. A pass-thru shot can vary as was said, but you could almost do it with a slingshot inside 20 yards. You're rig has more than enough grunt to get a pass-thru shot. No worries!

[hotburn]

My old horton that went 260 fps used to get pass throughs all the time.

[DuckHunt]

As long as you avoid the major bones, you'll almost always get a pass through. The spine and shoulder blades can be tough to punch through. I had an old bear compound bow about 15 years ago that pushed a ultralight 28-inch 2413 arrow with a 100 grain head at about 220 fps. I had no problems getting a pass through with it unless I hit the shoulder or spine.

With your setup any deer you shoot will need a backstop.

DuckHunt

[GaryDowdy]

I yield to master Bill T, afterall, he's taken elephant with his crossbow!!!

[GaryDowdy]

Thanks for the link, Cossack. I'd love to have a stock with that finish.

[DEPUTY]

The reason I asked was because a few years back I had the the top of the line BUCKMASTERS G2 bow 32 inch axle to axle. I had it professionally set up and everything. Every animal I shot with that bow I never once had a pass through and I know for certain one shot was through a does soft side at 25 yards and the arrow went only in half way; if that. I was using 100 grain thunderheads on aluminum shafts that were tuned and the bow was chrono'ed at 320 fps. Everyone I spoke to said I should have been finding arrows in the dirt.

[Galgo]

I am surprised whn I see videos of good vital shots that get very poor penetration. Of the 7 deer I have shot with my 330 fps exocet all have been pass thrus' including one poor placement quartering to that went single lung, gut then out thru the ham. Lots of variables and factors that come into play but I have never had kinetic energy or penetration worries with my Exocet 200.