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Main Boards => PowWow => Topic started by: ALDO on August 21, 2009, 06:57:00 PM

Title: 450+ vs. Dyna 97
Post by: ALDO on August 21, 2009, 06:57:00 PM
I have been making 6 strand strings with D97, reinforcing the loops to 12 strands.  I have been reading about 450+ and was thinking of trying it.  I know that 450+ is stronger per strand but what other differences are there with the 450+?  What about performance, will it perform the same? or will it be faster, slower, wtih everything being equal.  Is 450+ thicker than D97?  Any info from those that have tried the two would help me.
Thanks
ALDO
Title: Re: 450+ vs. Dyna 97
Post by: Scott Smith on August 21, 2009, 10:02:00 PM
I'm no string maker but I'm curious are you building for longbows or recurves? I've always
used 450+ on my longbows "less creep" and dyna97
on my recurves easier on the tips, having a little
creep.
Title: Re: 450+ vs. Dyna 97
Post by: JRY309 on August 21, 2009, 10:16:00 PM
450+ is thicker then D97,when I make a 12 strand D97 and measure it to be .080 diameter.And on my 6 strand 450+ it is .060 diameter.Half the number of strands but only .020 smaller.450+ is a strong string and has no creep.For me when I make a skinny string I like 450+,most of my D97 are 12 strands and with .024 Halo gives me the nock fit I like.With 6 strand 450+ I double serve,first with .018 No.62 and then .022 serving fits my nocks good.I guess 6 strand 450+ might be slighly faster then my 12 strand D97 but I haven't shot through a chrono to see.They are both quality strings but I can't imagine there will be a big difference with low stretch strings maybe a few fps.I just haven't tried any low strand D97 to compare.
Title: Re: 450+ vs. Dyna 97
Post by: Jesse Peltan on August 21, 2009, 10:22:00 PM
You know that unless your shooting 120 lbs you don't need 12 strands.
Title: Re: 450+ vs. Dyna 97
Post by: ALDO on August 22, 2009, 07:55:00 AM
Scott, I am making the string for a 58" centaur bow.

JRY, Thanks for the tips.  I may have to try the 450+.  

ALDO
Title: Re: 450+ vs. Dyna 97
Post by: Running Buck on August 22, 2009, 08:07:00 AM
Aldo,
If you are looking for a little better performance, go with 8125. Its a thinner version of D-97. You can buy 1/8lb spools from Lancaster Archery for around 27.00
Title: Re: 450+ vs. Dyna 97
Post by: ALDO on August 22, 2009, 02:02:00 PM
Running Buck,
Thanks for the info, is 8125 as strong per strand as D97?
Title: Re: 450+ vs. Dyna 97
Post by: ridge runner on August 22, 2009, 02:08:00 PM
No , actually d-97 is 23% stronger than 8125, but 8125 still tops a fuzz over 100#s break strength per strand vs. d-97's 125 I use 10 strands of d-97 and 12 0f 8125 for about the same breaking strength of 1250 on recurves, for longbows 6 strands of 450+ ( breaking strength of 155#s per strand) padded loops of course,used that combo on longbows up to 73#s  hope that helps
Title: Re: 450+ vs. Dyna 97
Post by: p1choco on August 22, 2009, 03:57:00 PM
So what are you guys padding 450+ with and how many extra strands?  Roughly (according to Johns calculations) 10 strands of D97 would turn out to be about the same size as 6 strands of 450+ and 8 strands of 450+ the same as 12 strands of D97.  As I understand it a lighter string is a faster string so would a string of 12 strand D97 and 8 strand 450+ be equal in speed with the 450+ having no creep?  For grins and giggles I made an 8 strand 8125 string (padded) and that was scary skinny, but performed really well.
Title: Re: 450+ vs. Dyna 97
Post by: ALDO on August 22, 2009, 04:34:00 PM
I have actually been making 6 strand D97 padding the loops to 12 I have used both D97 and B50 for padding.  Using this on 52# longbow with good results but seems to keep stretching a bit.  This is why I was going to try the 450+ but if I could get away with 6 strands of 8125 it may be a better option.  What do you guys think?
ALDO
Title: Re: 450+ vs. Dyna 97
Post by: p1choco on August 22, 2009, 05:44:00 PM
6 strands of 8125 might be pushing it.  I remember reading somewhere that the actual strength of the strings aren't correct.  I think that's why BCY removed that info from their site.  When I make string from D97 I make them a little shorter because there is some stretch to even out all the twist and such.  After wards my string length stays consistent.  I had the same experience with 8125.  I can't speak for 450+.  Good luck with whatever you decide.
Title: Re: 450+ vs. Dyna 97
Post by: Paul Shirek on August 22, 2009, 05:59:00 PM
It seems in my experience that 450+ is a little quieter than d97 on my recurve. It seems softer and thus produces less noise from string slap on the limbs. It's just my expeirince.
Title: Re: 450+ vs. Dyna 97
Post by: Running Buck on August 22, 2009, 06:04:00 PM
Aldo,
The smallest I would go with 8125 is 8 strand. This is still way smaller then 6 strands of D-97. I shoot 8 strand with 8 strand of B-50 padded loops up to 54lb that is with both recurves (widow and morrison) and longbow(morrison) I have tried 6 strand and would only go that small on 45 lb or less. I have a 52lb cheyenne that broke a 6 strand string just above the serving, so I stick with 8 or better these days. As stated before, the published breaking point of a given string is not real world. JMHO
Title: Re: 450+ vs. Dyna 97
Post by: CJC on August 22, 2009, 09:52:00 PM
for what its worth, i shoot 6 strands of 8125 (padded to 16) on my 49# acs.  never ha d a problem.  fast, quiet, and no vibration at all.  its just a little scary to look at!
Title: Re: 450+ vs. Dyna 97
Post by: ALDO on August 23, 2009, 02:43:00 PM
CJC, I know what you mean, they do look scary.  I get a lot of comments on the 6 strand D97 strings I make.  I may try the 8125 since 8 strand is still smaller than 6 of D97.  Thanks for everyones help.
ALDO