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Post by huntingmike on Sept 10, 2009 18:17:31 GMT -5
I got the Exomax out yesterday. After a few shots the arrows began to fish tail. This is the third year with this bow. I changed the string last year and it was shooting great back in the spring but I was unable to shoot any until now. The first thing I looked at was the string and it had two broken strands. I changed to a new string and the arrows still fished tailed. My friend had the same problem last year when his bow was three years old. His solution was to go to the brass inserts. The extra weight changed the FOC. I on the other hand looked at the fletching and the bolts vanes were almost straight so I decided today to re fletch the vanes to a slight 4* off set. I made a one click adjustment on the scope and all arrows were great after that. I told my friend I was going to put it to the test and dialed back the speed ring and used the 50 yard point while shooting at 75 yards like I did last year. The POI was center bullseye. I write this to help others whose bows change after changing strings. I bought a replacement string in case this one is damaged and it is also different from the one I just put on. Exomax changes suppliers from time to time on bolts as well as strings. I have gold tip bolts from them as well as firebolts from Easton all packaged in the Excalibur right stuff boxes. I only shoot matching bolts and broad heads even when practicing. I want practice to be the same as hunting. It is hard on targets but they can be replaced. Missing a deer can not be.
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Post by dougedwards on Sept 10, 2009 19:23:06 GMT -5
Rev Mike......they sure are hard on targets! I have four targets in the back yard to prove it. Make sure when you re-string that the brace height is just a little tighter than the old one to allow for some creep.
One of the nice things about shooting a recurve crossbow is that the string can be changed in the field. Imagine you are on a deer stand and a sharp broahead blade makes contact with the string. If you are shooting a compound type of crossbow your day or weekend is done.
Doug
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Post by huntingmike on Sept 10, 2009 23:02:54 GMT -5
Doug,
The string change is so easy to do. No bow press needed. I like to keep it as simple as possible. I have been fletching bolts this evening. I had never been pleased with straight fletch for broad head use. It is alright with field points but a fixed blade broad head needs a little spin to stabilize the arrow. I had forgotten that I had used expandables last year and had changed back to fixed heads in the spring to shoot through ground blind netting. My memory is not what it used to be. A little trick I use to stretch the new string when I have time is to put it on a little tight and then cock the bow and leave it cocked for a few hours and all the stretch will be gone.
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Post by kevin k on Sept 11, 2009 6:55:22 GMT -5
very good info Mike i never tried putting a twist in the fletching for fixed broad heads how much of a twist are you using? kevin k
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Post by dougedwards on Sept 11, 2009 7:36:38 GMT -5
It is very difficult to apply any degree of helical slant to carbon arrows because they are so thin. My Gold Tip Laser II carbon arrows fly great with brass inserts and 125-150 grain broadheads using 3" Bohning Blazer vanes fletched at 1% using with my Exomax.
Doug
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Post by davewolf on Sept 11, 2009 17:16:23 GMT -5
Good info, keep it coming!
Have a great day!
Dave
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Post by huntingmike on Sept 11, 2009 23:34:23 GMT -5
very good info Mike i never tried putting a twist in the fletching for fixed broad heads how much of a twist are you using? kevin k I was able to put 4* on my Gold Tip laser 2. It was enough to stabilize the wasp boss 100 gr. fixed 3 blade. I had tried the four blade wasp boss when I first bought the Exomax and it would not shoot well. Now that I have the 4* helical I may try them again. I know it would work with the brass inserts that Doug uses. It only slows it down by 10 fps or so with the brass inserts but the penetration factor would increase greatly. |
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Post by huntingmike on Sept 18, 2009 13:57:59 GMT -5
Exomax is shooting great with two inch groups at 75 yards (shooting at a different spot on the target) using the boss 100 gr. broad heads that came with it. ;D My friend found a fast flight string for his Exomax and it appears to shoot faster and he is the one who shoots the brass inserts. Amazing.
Note: I went to the Excalibur web site and it seems the arrows and broad heads they recommend now are completely different than in the beginning. As long as mine shoots like it does now I will keep what I have got. ;D
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