Traditional Archery Discussions on the Leatherwall


Lead behind Insert?

Messages posted to thread:
Dry Bones 10-Jan-22
Smokey 11-Jan-22
Dan In MI 11-Jan-22
Clydebow 11-Jan-22
fdp 11-Jan-22
M60gunner 11-Jan-22
Dan In MI 11-Jan-22
Dry Bones 11-Jan-22
From: Dry Bones
Date: 10-Jan-22




Evening all. Since this seems to be a hobby with plenty of room for tinkering. And The fact that I shot compound bows for a few years prior to picking up longbows and recurves, I have an idea I hope to get some thoughts on. I have some shafts that are cut to 29" and are 350 spine if my mind serves me correctly (They are fairly stiff and light shafts). I pulled the aluminum insert out this evening and added 200 grains of lead fish weight behind the insert and seated it with hot melt glue, then put an aluminum insert back in. I know the lead slug will reduce the length of shaft that flexes, but adding 200 grains should weaken the spine. With just a 100 grain point I am at 570 grains total arrow weight. I plan on shooting these out of my Korte [email protected] recurve my draw is 27.5" with this bow. I do have a few different point weights I am going to try through tomorrow. This is not intended to be a real scientific study, just thought since I have some arrows I'm not using this might be a fun experiment. Let me know if you have tried something similar and what the results were. I do have brass inserts for basically the same purpose, but with excess fishing weights and arrows, one's mind can play.

-Bones

From: Smokey
Date: 11-Jan-22




Did the same back in the 80’s and 90’s when I drew 90# longbows and shot aluminum arrows,A 29” 2512 with 500grns up front did the job well on game and had no problem rolling 3D targets over at the shoots…………:)

From: Dan In MI
Date: 11-Jan-22




I’ve used factory behind the insert weights, birdshot in tips, reloading bullet tips, drilled blocks to cast correct diameter lead weights, among other things.

From: Clydebow
Date: 11-Jan-22




I've tried some no.6 shot in broadhead adapters.

From: fdp
Date: 11-Jan-22




Yep...been there and done that and it does work.

You can also get a bolt that will screw into the back of the insert and accomplish the same thing IF you can get the weight you need. 200grs. is a bunch.

From: M60gunner
Date: 11-Jan-22




Doing something similar with my Nibb target points and Aluminums. I needed about 50 grains besides that point weight so o stuffed .22 cal pellets and some hot glue in them. The shafts are 2014 X7 I am using from my new LB. Total weight comes to 410 grains for my 45# bow. Years ago I got some target arrows and was removing the Nibbs. They seemed heavy, I kept the heat on one and out popped a 5.56mm bullet. This was way before “weight forward” thinking and “tuning “ as we know it these days. I have also used pieces of brass screws to add weight. The back end of carbon inserts allows for easy installation.

From: Dan In MI
Date: 11-Jan-22

Dan In MI's embedded Photo



Any standard aluminum insert can be threaded. Just run an 8-32 straight through from the front. If there is even a tiny hole in the back side the tap will walk right through. I have only run into a couple that didn't co-operate and those were solid on the back.

From: Dry Bones
Date: 11-Jan-22




Dan thanks for the helpful hint there. I did hit the right weight apparently. The first shot busted a small 2"X3" peg I have on my target. That was great until the second shot which blew the knock into the leaf litter and I lost part of the lead slug out the rear. I suppose the glue I used did not adhere well enough r I did not get enough glue on the back piece of lead. Either way, went back in pulled the inset and added the right weigh. 200 grains is a LOT of weight, but these are fairly stiff arrows and a little shorter than I would have preferred. BUT I had the hafts so I might as well make them useable. Thanks for the replies and ideas. Always more to learn.

-Bones





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