Arrow Speed?

purl · Post by **purl** » Mon Feb 25, 2013 5:33 pm

I'm using an Excalibur (of course) Exomax with Flemish Dyna Flight String, 20" Firebolt Carbon Arrows and 150gr BoltCutter broadheads. I'm just setting up my Vari-Zone scope. Any ideas of approx. what speed I should have with this setup?
Thanks

vixenmaster · Post by **vixenmaster** » Mon Feb 25, 2013 5:58 pm

Spect low 342/344 fps area

georgiaboy · Post by **georgiaboy** » Mon Feb 25, 2013 8:39 pm

Welcome to the forum!!

secret · Post by **secret** » Mon Feb 25, 2013 9:15 pm

Welcome to the Forum!!!

Cossack · Post by **Cossack** » Tue Feb 26, 2013 9:04 am

I'm thinking closer to 330, based on my experience with Equinox.

mr meat · Post by **mr meat** » Tue Feb 26, 2013 12:33 pm

Welcome to the forum! If you have access to a chrony that would tell you!!

JT of PA · Post by **JT of PA** » Tue Feb 26, 2013 1:22 pm

Purl,

Welcome to the forum.

I do not have the exact answer to your question but I hope the following two links might help:

Page four of the below link ...
http://www.excaliburcrossbow.com/uploads/manual.pdf

General arrow information ...
http://www.excaliburcrossbow.com/conten ... ballistics

All the best,
John

Johnny C · Post by **Johnny C** » Thu Feb 28, 2013 6:41 pm

I am using the same set-up, Exomax, dynaflight string,S5 string suppressors, and Firebolt carbons with 175 gn SlickTrick Broadheads.I have not chronographed my bolts yet, but my Shadowzone scope is maxed out at 350 setting out to 50yards.

See4miles · Post by **See4miles** » Thu Feb 28, 2013 11:28 pm

Cossack wrote:I'm thinking closer to 330, based on my experience with Equinox.

yup.

purl · Post by **purl** » Mon Mar 04, 2013 3:36 pm

Thanks for all the replies. The Excaibur dealer close to home says he's chronographed the exact set up numerous times and said it's 330 to 335fps.

awshucks · Post by **awshucks** » Tue Mar 05, 2013 11:00 am

If you know your arrow weight, you got it whipped. Figure 1 fps for every 5 gr over 350 gr. The FFF is 10-15 fps faster than Excel for those who care, lol.

fuzzy · Post by **fuzzy** » Tue Mar 05, 2013 12:56 pm

nchunterkw · Post by **nchunterkw** » Thu Mar 07, 2013 12:36 pm

Not the old tried and true 5 to 1 rule,.. say it ain't so . Still haven't heard any reasonable explanations as to why it will not apply to the Matrix. Good luck.

Different sized limbs, different power stroke, different length string = different way energy is imparted to the arrow from the bow. Therefore 5:1 may or may not apply. I think there have been chronograph posts showing that it's more like 3:1 with the Matrix bows.

Deerstalker · Post by **Deerstalker** » Thu Mar 07, 2013 3:43 pm

315/330'/sec is what I used and I suggest that you start in that range.

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