What should I expect for speed from the following?
60" Predator 54# @ 28", scaled 50# @ 27", my draw ~27.5"
30.25" Heritage 250, 145 gr tips, 510 gr overall weight
My chrony shows an average speed of 163 fps. I have a 42# 60" Predator that averages 184 fps with 355 grain GT 15/35's. I figured the 54# would be faster than it is but I thought I'd check with you guys first.
My 60" limbs, 52#@32" chronied at 198fps with a 425 gr. arrow.
There is a lot of difference in the weight of your arrows.
Hap
No doubt there's a big difference. I was just curious what others are getting and if what I'm seeing is expected or not.
That's a great bow and it sounds like a reasonable speed to me for that GPP. If you want to go fast you need to drop arrow weight, but that sounds like a great hunting setup. How are your groups?
A few things that will make a bow looks slow on a chrono:
1- string to thick/nocks too tight
2- bad release, drag finger off string
3- silencers
4- is the draw length 100% for sure?
5- is the scale 100% accurate?
You add up some combination of those 5 things and you might be able to get 8-10 fps without touching the arrow setup. That's no promise, I've just seen each of those through numbers way off.
Predators are GREAT bows, congrats!
Thom
The scale was at Rocky Mountain Specialties (a sponsor here) so I assume its quite accurate. The chrony is mine from my reloading days and was shot with a bare string (no nock point either). I'm sure my release isn't perfect however the speed was quite consistent. Groups are good when I do my part. I'm still working on form. I have been using the 42# more for form work.
Maybe I been shooting longbows too long, but that arrow sure sounds stiff for a #51 bow thats just cut to center. But if it fly's....
Eric
Go back to RMSG and shoot through their chronograph and compare the two speeds. Your shooting 10gpp and you don't have an exceptionally long draw, that's probably a realistic speed. I shoot 10gpp at 31" draw and get about 182fps. 163 is nothing to sneeze at.
While Chrony's are useful tools, they can also put some bad psych on your head. With good sharp broadheads and accurate shooting that bow will push a multiblade head clear through an elk.
My personal experience on both comments.
What Charlie said X2
Mike
If speed is so important, probably a bow with wheels should be looked for. Dave
That sounds about right.
I am shooting 2 bows right now the first is a Titan riser with a set of Dryad epic limbs at my 27 inch draw is scaling 50# and shooting a 530 grain arrow at 176 fps
The second bow a Morrison riser with BF Extreme limbs is scaling 54 # at my 27 inch draw and shooting a 520 grain arrow at 194 fps
I'm not real concerned about the speed but, since I had the chrony sitting there, I thought I'd check it out. I'm just not sure what to expect so I thought I'd ask.
QuoteOriginally posted by snellville-dave:
If speed is so important, probably a bow with wheels should be looked for. Dave
I don't see how you could assume parshal would want to abandon his traditional bow for a compound based on him asking us if we thought the numbers he was getting out of his bow was consistent with what we are seeing as far as traditional bow speeds goes.
im assuming a hunters niche predator
i would expect around the 170 mark for that bow
predators are one of the quickest bows ive shot
+ mike and ron are great to deal with
Just a Tad faster than you can run, or hand chuck the arrow!! :readit: :biglaugh:
Don't take my remark as being serious Maui man, just a little stupid comment. Dave
Gotcha Dave... sarcasm and things said in jest are hard to interpret sometimes.
Maybe you're not holding your mouth right. As Cahrlie said don't let speed get in your head, have not had a critter yet complain about how fast the arrow pasted through them. :coffee: :archer2: :archer2: :archer2:
I'd retry the same test with two small tied nock points to see how much the average changes.
My first longbow averaged about 165 with my hunting arrow setup. I always worried about my group size and my range limits, but I never worried about it being fast enough.
Thom
If you have any weight lifting equipment that you have access to, you can rig up 50# of weights and hang them from your scale this will just about dead nuts tell you if your scale is off or not. You may be suprised how accurate weight lifting weights are measured. Also my 64" - 49# longbow at 29.5" draw shoots a 475 grain arrow about 175 fps so your numbers look good to me. Hope some of this helps
I'm shooting 53# Dorado at 27.5" draw with 470 grain arrow and getting 190fps on average, not that I think i'ts so important, but it is nice too know!!
Funny thing about trad archers and bow speed. Someone will post a serious question about speed and performance ratings, and you will get a ton of comments about how speed is not as important as "accuracy,"stable" or "forgiving". Plus, there is always the comment about "sharp broadheads". Yet, when someone posts a review about their new bow its always described as "fast and smooth or smooth and fast".
If speed wasn't important then why have carbon and foam limbs? Why do top bowyers always try to achieve the most effective performance? etc... I think speed is very important and I certainly dont want to pay an average of 850.00 to a 1,000.00 dollars for a custom bow, and it shoot like a dog. I would like to see more chrono speeds of the top bows, but, that seems to be a tricky area to ask questions.
Oh Charlie Lamb,you are truely a wise man
QuoteOriginally posted by duncan idaho:
Funny thing about trad archers and bow speed. Someone will post a serious question about speed and performance ratings, and you will get a ton of comments about how speed is not as important as "accuracy,"stable" or "forgiving". Plus, there is always the comment about "sharp broadheads". Yet, when someone posts a review about their new bow its always described as "fast and smooth or smooth and fast".
If speed wasn't important then why have carbon and foam limbs? Why do top bowyers always try to achieve the most effective performance? etc... I think speed is very important and I certainly dont want to pay an average of 850.00 to a 1,000.00 dollars for a custom bow, and it shoot like a dog. I would like to see more chrono speeds of the top bows, but, that seems to be a tricky area to ask questions.
BAH! Speed doesn't matter! I'm getting great groups at 3 yards with my mimosa stick and paracord string.
speed is on par. you will get a little better performance with a high quality skinny string (maybe!). i would bet your actual draw length is a little shorter than you think as per amo standards. the difference between the 2 bows is right on - you have an 8# wgt and about 100 gr wgt difference, thats big.