Trad Gang

Main Boards => PowWow => Topic started by: LoneRanger on January 13, 2019, 11:11:14 AM

Title: Cracks in Clear Coat on Limbs
Post by: LoneRanger on January 13, 2019, 11:11:14 AM
Hello all. I have a "new" '59 Kodiak, manufactured in 2015 that I have been shooting for the past few years. I've noticed recently that there are what appears to be cracks in the finish in the fadeout area of the limbs, both top and bottom (see attached pic). The bow seems to shoot just fine, really just a visual defect best I can tell. The bow is 45#@28" and I draw right at 28". I'm just curious if anyone else has seen this sort of thing before, and if it should be cause for concern?
Title: Re: Cracks in Clear Coat on Limbs
Post by: deerfly on January 13, 2019, 11:16:58 AM
I would contact Bear, those lines look a bit too symmetrical and parallel from each other to me. I wouldn't expect finish to fail so perfectly. Might be some kind of stress issue with the glass below.
Title: Re: Cracks in Clear Coat on Limbs
Post by: Orion on January 13, 2019, 12:18:53 PM
Just in the finish, IMO.  I've seen that kind of finish cracking on a lot of older bows.  Thought that newer finishes were a bit more flexible.  If it bothers you, it might be worth bringing to Bear's attention.  They may refinish it for you. Or not. 
Title: Re: Cracks in Clear Coat on Limbs
Post by: Bigjackfish on January 13, 2019, 12:53:17 PM
I have a 64in Grayling Green Super Kodiak made in 2012 that has lines like yours it is in the finish and is inherent in Bear bows .
Title: Re: Cracks in Clear Coat on Limbs
Post by: kennym on January 13, 2019, 12:56:17 PM
I think Bear would want to know about it whether you want it fixed or not...
Title: Re: Cracks in Clear Coat on Limbs
Post by: McDave on January 13, 2019, 02:09:37 PM
It’s not uncommon for the finish to crack on old bows, but 3 years is not old and the finish should not have cracked, as long the bow has been kept at reasonable temperatures.
Title: Re: Cracks in Clear Coat on Limbs
Post by: LoneRanger on January 13, 2019, 02:46:50 PM
Thanks for all the comments. I think I'll let Bear have a look for themselves here at Kalamazoo in a couple weeks.
Title: Re: Cracks in Clear Coat on Limbs
Post by: kenneth butler on January 13, 2019, 07:32:34 PM
It seems like way too many Bears do that. All of my older Bears did  but none of the other brands. I hoped they had got it figured out. >>>----> Ken
Title: Re: Cracks in Clear Coat on Limbs
Post by: Hud on January 14, 2019, 01:02:48 AM
Since it is winter, I am reminded of a Super Kodiak that developed cracks in the finish when I took it out from a warm tent on a cold day and strung it before it cooled. I have a picture of Fred Bear looking out from his tent at the snowfall, his 59 Kodiak strung and leaning against the tent.
Title: Re: Cracks in Clear Coat on Limbs
Post by: Cyclic-Rivers on January 14, 2019, 02:03:23 PM
It's called crazing I think. Very common with old bear bows, it seems to me like they have the replicas more close to the originals than they thought.
Title: Re: Cracks in Clear Coat on Limbs
Post by: LoneRanger on January 28, 2019, 06:50:47 PM
I just wanted to share an update on this as I showed my bow to the folks from Bear at Kalamazoo this past weekend. The punchline - Bear will stand behind their product. They confirmed that what I'm seeing are cracks in the finish only, and not detrimental to performance or durability. They said what others on this forum have mentioned, that many older models had this same thing happen. They do still see an occasional bow or two that they make nowadays do the same thing, and are not entirely sure why that is, though they mentioned variation in finish coating thickness or humidity level as possible contributors. All that said they will gladly take the bow back and refinish it at no charge, and any bow they've done this to in the past has not had it happen again.

So there you have it - excellent customer service as others have mentioned and a company that stands behind their product. I will, however, finish my winter league with the bow before it goes back to Bear :-D.
Title: Re: Cracks in Clear Coat on Limbs
Post by: Krex1010 on January 28, 2019, 07:00:25 PM
My 1970 super K has those same lines...not sure when they appeared, they were there when I bought it a few years ago. The bow still shoots fine.
Title: Re: Cracks in Clear Coat on Limbs
Post by: Trenton G. on January 28, 2019, 07:03:04 PM
My abbott longbow has lines like that all up and down it. Scared the heck out of me the first time I saw it.
Title: Re: Cracks in Clear Coat on Limbs
Post by: wapitishooter on January 30, 2019, 08:47:32 AM
I have a bow made by custom bowyer where lines run up the limbs at fades. Doesn't seem to affect it at all and they haven't got any bigger. Is there any way to fix them. Like trying to lightly sand them and respray with spar urethane would that last?
Title: Re: Cracks in Clear Coat on Limbs
Post by: supernaut on January 30, 2019, 09:27:31 AM
Really good to here they are standing behind their product. Thanks for the update sir!
Title: Re: Cracks in Clear Coat on Limbs
Post by: Bigriver on January 30, 2019, 09:27:50 AM
As you found out, it is a finish problem. I have finished well over 100 bows, and have had that happen once in a while. It usually happens on recurves, right around the point where the limbs flex the most (normally on the back).

 It is caused by by a few things, either the finish is over catalyzed and becomes more brittle than it should, the finish is too thick, or the limbs are too polished and the finish is not adhering. Seeing the Bear bows, I think it is too heavy. Finish thickness is really critical with new coatings.

The good thing is it is easily repairable, glad they are standing behind it. Bear has certainly had problems with finishes, hope they get it worked out.
Title: Re: Cracks in Clear Coat on Limbs
Post by: Matt.76 on August 28, 2022, 08:28:03 PM
I just bought a 2021 59 kodiak, my first ever trad bow! I’ve had it for two days shooting the string in and yesterday noticed these very cracks in the clear coat that you have posted about Lone Ranger. To say that I was horrified would be an understatement, instead of purchasing cheap I thought I’d invest in a 5 year relationship with a quality bow. It doesn’t look like paying more results in quality I’m afraid.

I reside in Australia and my dilemma is that as soon as I report the issue no doubt the bow will be required to be sent back resulting in a 3-6 months turnaround with the bow. Your post has provided some comfort that it is an identified issue that hopefully will not deteriorate and affect the bows operation or performance.

Since this post was first made and the repair was carried out I’m wondering if the issue displayed itself again?
Title: Re: Cracks in Clear Coat on Limbs
Post by: Matt.76 on August 28, 2022, 08:41:28 PM
As you found out, it is a finish problem. I have finished well over 100 bows, and have had that happen once in a while. It usually happens on recurves, right around the point where the limbs flex the most (normally on the back).

 It is caused by by a few things, either the finish is over catalyzed and becomes more brittle than it should, the finish is too thick, or the limbs are too polished and the finish is not adhering. Seeing the Bear bows, I think it is too heavy. Finish thickness is really critical with new coatings.

The good thing is it is easily repairable, glad they are standing behind it. Bear has certainly had problems with finishes, hope they get it worked out.

If left untreated is the issue likely to result in any failure to the finish or limbs?
Title: Re: Cracks in Clear Coat on Limbs
Post by: kenneth butler on August 28, 2022, 11:17:37 PM
 wapitishooter  I agree with every one here on the crazing in the finish, how ever in my
refinishing experience vertical cracks are usually in the glass.  I hope that is not the case for you but get it checked out.  Many bows with those cracks do continue to be shot without any harm. If it is in the glass they go clear through & refinishing won't help.   Ken
Title: Re: Cracks in Clear Coat on Limbs
Post by: Bow man on August 29, 2022, 04:37:14 AM
Common Bear problem caused by them using a subpar bow finish. This is happening on a lot of newer bear bows as well as older ones
Title: Re: Cracks in Clear Coat on Limbs
Post by: Bigriver on August 29, 2022, 09:32:50 AM
It honestly will not harm the bow. It will get worse over time, but in my experience, will not ever come off. It just looks like crap. I think it is over catalyzed(it will become to brittle) or the film is too thick. Sometimes people stretch the limits of film thickness as it is done by a human.

After 43 years in the finishing business, I have even seen it happen on woodwork trim, doors, cabinets etc. It is almost always too thick of a film with catalyzed lacquers.

If I were in your situation, I would use it until the off season and send it back. I would put sleeves on it, or I use camo vet wrap on my bows for the season. It would irritate me enough to have to cover it.
Title: Re: Cracks in Clear Coat on Limbs
Post by: M60gunner on August 29, 2022, 11:17:59 PM
My 97 TD had 2 sets of limbs that showed those lines. I knew another guy with same issue with 3 sets of limbs. Bear fixed me up with new limbs. My gripe is why haven’t the folks at Bear address this issue that has gone on for so many years? I read they take the returns and cut them up with the bandsaw.
Title: Re: Cracks in Clear Coat on Limbs
Post by: MnFn on September 01, 2022, 12:02:35 AM
I bought a new Super Mag in the 1970’s. In no time at all I had those finish checks. I sold it 20-30 years later, and it still shot fine.