Primitive Archer

Main Discussion Area => Bows => Topic started by: Nasr on May 28, 2018, 08:01:13 pm

Title: how long after heat treating??
Post by: Nasr on May 28, 2018, 08:01:13 pm
 how long do you guys leave your staves to rehydrate after a heat treating. I usually leave them 5 to 7 days before i start working on them again. I was just curious as to how long you guys usually wait before proceeding.
Title: Re: how long after heat treating??
Post by: Pat B on May 28, 2018, 08:04:12 pm
Depending on the humidity and need to work it but at least 24 hours, generally 2 or 3 days.
Title: Re: how long after heat treating??
Post by: Nasr on May 28, 2018, 08:08:37 pm
do you do anything to speed up the process like maybe put it in a place with higher humidity?
Title: Re: how long after heat treating??
Post by: Pat B on May 28, 2018, 08:12:45 pm
We don't have a/c so if it is humid outside it's humid inside. Unless you are in an arid area there is generally enough humidity to help to re-hydrate the wood.
Title: Re: how long after heat treating??
Post by: Ryan Jacob on May 28, 2018, 08:47:02 pm
Wait what, you had to let them re hydrate? What happens if you don’t wait?
Title: Re: how long after heat treating??
Post by: Nasr on May 28, 2018, 10:03:41 pm
well ive pulled a bow after a heat treatment and it blew on me.
Title: Re: how long after heat treating??
Post by: Selfbowman on May 28, 2018, 10:59:38 pm
Never done  it. I have shot them the same day. They need to be cool to the center. I am speaking mainly of Osage though. I don't think you can get hickory to dry.  Not in central Tx. Arvin
Title: Re: how long after heat treating??
Post by: Pat B on May 28, 2018, 11:02:58 pm
Like Nasr said, they can blow. You dehydrate the bow when you heat treat it. Allowing it to rehydrate for a while is a safer option. I think one reason Marc St Louis adds the resin to a newly heat treated bow is to somewhat add moisture(the resin) back to the heat treated area.
Title: Re: how long after heat treating??
Post by: Selfbowman on May 28, 2018, 11:20:50 pm
Pat I have had to much heat sneak around the edges mainly close to the tips when reflexing. This can weaken the edges if scorched. Had one blow because of that. I don't think waiting would have helped that one. Arvin
Title: Re: how long after heat treating??
Post by: Nasr on May 28, 2018, 11:51:49 pm
I mean if you pull it without giving it time to rehydrate you are gonna risk blowing it up. But at the same time i am very impatient that is why i am asking how long everyone waits cause i want to know the minimal amount of time i need to wait before i pull it. I also heat treat twice sometimes. One before i tiller and another at the very end right at the last few inches before full draw.
Title: Re: how long after heat treating??
Post by: Ryan Jacob on May 29, 2018, 12:09:45 am
Oh shoot! I think I hijacked this thread
Title: Re: how long after heat treating??
Post by: Selfbowman on May 29, 2018, 12:26:50 am
Yes Nasr I let them cool and shoot them . Most of my heat treating is done while I straighten the bow. Sometimes I will hit it again if I removed Quite a bit of wood during tiller. Arvin
Title: Re: how long after heat treating??
Post by: Nasr on May 29, 2018, 12:28:56 am
Yes Nasr I let them cool and shoot them . Most of my heat treating is done while I straighten the bow. Sometimes I will hit it again if I removed Quite a bit of wood during tiller. Arvin

you are a brave man! I would be too scared to do that.
Title: Re: how long after heat treating??
Post by: Selfbowman on May 29, 2018, 12:54:41 am
Done a 150 or so that way. Not saying waiting is wrong. Just saying I don't wait. Arvin
Title: Re: how long after heat treating??
Post by: Del the cat on May 29, 2018, 01:38:38 am
You heat treat the belly... it will be under compression so it won't explode...
But it does no harm to leave it overnight.
IMO main reason for leaving is that the wood could feel warm on the belly but still be hot under the surface, so it's just safer to leave it a couple of hours at least.
I'm an impatient git, and it's easy to undo your good work by rushing....
Del
Title: Re: how long after heat treating??
Post by: Mo_coon-catcher on May 29, 2018, 02:20:06 am
I’m in the shoot once it’s cool group. I usually heat treat either before I go to work or before bed. So that once done it’ll have atleast 10 hours to cool. And it’s usually about 24 hours before I can work on it again. I also leave them in the form until I’m ready to work on them. It seems to help hold the shape.

Kyle
Title: Re: how long after heat treating??
Post by: leonwood on May 29, 2018, 05:42:51 am
I let it cool overnight and continue tillering, never had a problem. Even did some heat treating in the morning and finish the tiller in the afternoon some times. This was with black locust though and that stuff seems pretty unbreakable to me
Title: Re: how long after heat treating??
Post by: High-Desert on May 29, 2018, 08:03:33 am
I've never waited, just long enough where it fully cool, and I live in the desert. I'm guessing it depends on the wood. Tension strong woods, relative to the belly, probably aren't as critical to wait. But I only have experience heat treating yew, hickory,  osage, and (very limited) Dogwood, all tension strong woods. But I'm thinking waiting to be  on the safe side may be best.