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in reply to: steel inserts #61888
cyberscout wrote: Handirifle –
Go to Ashby Library here on the site, and look up FOC chart
If I understood your No#s correctly it looks to be a little over 20.5% foc–
keep at it, looks like you are on the right track for your home made “Heavy Inserts”
Scout.
OK will check that out. Seems I remember somewhere seeing what Dr. Ed, considered “ideal FOC” so will look for that too. I got to thinking, I might just make one up at 300gr and see what that does to the spine.
Does a heavy head effect spine more than a same weight insert, since the head is “out there” farther?
in reply to: steel inserts #61738OK got one made today, just for kicks, to see how heavy it really is and how hard it would be to make. Turns out it’s not too hard. It’s a little time consuming, for the first one, be relatively easy.
I made the insert 2″ over all, and it came out at 181gr, once it was drilled and tapped. So if I wanted one at 200gr, I would make the shank 2″ not counting the head.
Here’s some pics of it.
First one shows the insert installed with a 125gr target point partly inside. The point does screw all the way in, this was just for reference. There is another 125 above to compare.
The next pic (crappy 0ne) is TRYING to show the inside, and the 8-32 threads, but it didn’t come out too well.
The third pic shows the insert removed, laying next to a whole 6″ nail, and the 125gr point next to it, for overall comparison.
Ok, now the numbers. Before I go any farther, the 28″ 2018 that I had (longest one) shows too stiff of spine. Not sure if a 200gr head would be enough, or even if that much head is needed. You guys will know more than me on that.
The arrow, fletched, is 28″ long, from nock groove, to back of head. The arrow, minus the insert weighed 364gr, the insert is 181gr and the head 125. I rounded these numbers a little. The total arrow weigh, with insert and head installed, weighs 669. With the balance point being 8.1875″ (8 3/16″) from back of head. I have no idea what the FOC percentage is, hopefully one of you will.
I will look for some full length 2018″ to play with, and I am guessing something in the neighborhood of 30″ might be the final number, will have to wait and see on that one.
Anyway, there ya have it. Just an FYI kinda of a “hmmm, I wonder if” 🙂
in reply to: steel inserts #60428Well after I got through working on the 5th wheel, getting ready for a 200 mile trip next week, and finding its going to cost me $500 I dont really have, i took some time and measured the nails.
they are 6″ nails and weigh 688 gr so am guessing about 100gr per inch. More later.
in reply to: steel inserts #59179Let me add that before I go to all the work, I will play with these shafts to see if they tune well for my bow.
was mainly passing along my little discovery. Wondering if anyone else had a crazy thought like that?
in reply to: Which carbons? #55084Thanks Scout
in reply to: Steel Force Traditional Heads? #540442blade wrote:
One more question and I promise to stop stealing this thread. I have only found one source, 3 Riv that even has the above mentioned Griz heads, and they only say 160gr and are $43.95. Do you know a secret source for that heads you mentioned at something close to that price?
Thanks
Went to that site already, if you click the link to buy them, it shows “Coming Soon” on every one of them.
in reply to: Steel Force Traditional Heads? #52715Dr. Ed Ashby wrote: [quote=handirifle]IMHO all of the single bevel heads are over priced … If I can’t afford the arrows it won’t matter much how much they penetrate. 😆
When it come to cost it hard to beat the value of the big, 200 grain Grizzly broadhead. It’s a glue on, so adding an adaptor gives you even more point weight. They are about $36.00 for six; much the same price as the WW or most of the other popular single blade broadheads; and, if you don’t lose it, it will outlast all the others. I still have some original Elburg Grizzly heads that are over thiry years old and still in good condition, and several of those have taken 10 or 12 big animals.
Ed
One more question and I promise to stop stealing this thread. I have only found one source, 3 Riv that even has the above mentioned Griz heads, and they only say 160gr and are $43.95. Do you know a secret source for that heads you mentioned at something close to that price?
Thanks
in reply to: Steel Force Traditional Heads? #52198Its an excellent question. I haven’t bought any head yet, still exploring. IMHO all of the single bevel heads are over priced. Things are getting so expensive when I consider carbons, heads etc, I am giving serious consideration to just making my own woods or aluminums and forgetting the whole EFOC issue. If I can’t afford the arrows it won’t matter much how much they penetrate. 😆
in reply to: adding weight to wood #52180How well does the spar hold up to moisture? Is that the same stuff made for marine use?
Does it soften or get sticky in hot weather?
Lastly, what type of finish does it make, satin, glossy or in between?
in reply to: Steel Force Traditional Heads? #51670Nevermind, found them on 3 Riv site. They are pricey!
in reply to: Steel Force Traditional Heads? #51668I went to their website and this is the only 225gr I saw. They do not show the one you posted.
Or are these the 135 and 145gr, and yours just not pictured?
in reply to: Judo lessons #51607Gigglemonk
wondering what bow poundage you’re using? Never used a Judo myself, always field points.
in reply to: adding weight to wood #51603If the spine does not change, I would imagine, penetration would increase some, as well as making for a quieter bow and less vibration, or hand shock.
in reply to: Which carbons? #51592Is there only one model of traditionals? Seems like I saw several.
in reply to: Which carbons? #51322Thank you Sir. Now all I need to know if the cheaper carbons will work as well as the pricey ones. Money is a big issue for me.
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