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Getting Grizzly BHs to spin right....hmmmm

Started by Al Kidner, February 23, 2013, 11:05:00 PM

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David M. Mathis

Use a glue that doesn't set so fast and keep pushing and turning the broadhead on the insert and spin it till it spins true. My Grizzlies can do some funkie dip and dives if they don't spin true. mike

Pat B.

Yes, I won't hunt with an arrow/broadhead that doesn't spin true.  Some of take a bit of extra effort..

frassettor

"Everything's fine,just fine". Dad

Overspined

I've never seen blood trails like I get with SB heads. Never.

manfromthepast

I use a similar set up as JimB, but with one more step. With JimB's jig, it is still possible to mount a broadhead so the point is centered but the back of the broadhead is not and you will get some wobble. To make sure the back of your broadhead is aligned, take a thin piece of wire a couple of inches long and fasten it down to the base of your alignment jig close to where the back of your broadhead will be and then form the wire into a loose C shape that bends out away from the arrow and then comes back to just touch the back edge of the broadhead blade. Spin your arrow in the jig as described by JimB but in addition to referencing the point, also reference whether both edges of your broadhead are touching or have the same gap to the wire. This will assure perfect alignment of the entire broadhead in all planes. I think I first saw this concept in one of Jack Howard's catalogs.

jhg

I had the same experience with the new heads even using a roller bearing jig. I just went with another brand because of all the things to fuss with, jumping thru hoops to spin heads true is just not where I want to spend my time.
Out of a six pack of heads only 2 spun true.  There are better heads out there in this regard IMO, same 3 to 1 design and have never regreted abandoning the Grizzlies.

Joshua.
Learn, practice and pass on "leave no trace" ethics, no matter where you hunt.

JimB

QuoteOriginally posted by manfromthepast:
I use a similar set up as JimB, but with one more step. With JimB's jig, it is still possible to mount a broadhead so the point is centered but the back of the broadhead is not and you will get some wobble. To make sure the back of your broadhead is aligned, take a thin piece of wire a couple of inches long and fasten it down to the base of your alignment jig close to where the back of your broadhead will be and then form the wire into a loose C shape that bends out away from the arrow and then comes back to just touch the back edge of the broadhead blade. Spin your arrow in the jig as described by JimB but in addition to referencing the point, also reference whether both edges of your broadhead are touching or have the same gap to the wire. This will assure perfect alignment of the entire broadhead in all planes. I think I first saw this concept in one of Jack Howard's catalogs.
In my setup,the back of the broadhead can't move as it is tight on a steel adapter and there are two sets of rollers to keep the shaft true and the adapter is concentric with the shaft.If I remember right,Jack Howard's setup was one set of rollers,the point stayed in place and alignment was done with the wire at the front of the shaft?

The old Grizzlies had an atrocious ferrule.I've bought several packs of the new Grizzlies-pre-Zipper and the Kodiaks from Zipper and the new ferrules were excellent and it took very little effort to align them.

zipper bowss

Give me a holler Al if you are still having issues. Lots of good info here about aligning broadheads.

Joshua, send me some contact info. Your experince is not the norm or we would have been out of business long ago.Give me a chance to find out what was wrong and correct it.The last thing I want is for someone to feel like they got an inferior product.

If anyone is or has had issues with the broadheads we are or have produced. I want to know about it. Please contact me so I can fix any issue you may have had. I can not correct a problem I dont know your having.   :D  
Bill

manfromthepast

JimB - you are right that Jack's aligner used just one set of rollers for the shaft and then the point was pushed up against an end plate similar to yours and then he monitored the gap from the wire to the shaft to make sure everything was in line. I have found that your system works better for me than his but I have still found that there can be some side to side movement at the back of the broadhead from uneven thickness of glue or ferrules and inserts that aren't perfect.  Some broadheads are better than others.  That is why I use the two roller system and also use the wire as another check.

Overspined

I JUST went and checked all the heads I bought at kzoo, all are ground nicely, and mount straight.  Some older ones used to have ferrules that weren't perfect.  

My heads from Bill @ Zipper have been nicely done. I just bought some more at kzoo.  Finished well so just a little diamond stone work and they are scary sharp, ferrules are straight.

It's easy to see the wound channel is not straight, and when you hit ribs they actually shatter, not just split.  The head spins through an animal.  Not really fast, but it does. The more solid the medium is, the more it spins.  So if you just look at lung tissue, tough to see any because the force of the lung tissue on the head is minimal.  Through heart, muscle, ribs, and hide it is noticeable.  

I'd try the zipper product again.  I've had no problems.

Kris

I turn my BH adaptors down to fit the ferrules of the Grizzly's (Kodiaks) exactly!  You have to true things up and then play with them.  I settle for nothing but "spins perfect".

good Luck -

Kris

Benjy

QuoteOriginally posted by Overspined:
I JUST went and checked all the heads I bought at kzoo, all are ground nicely, and mount straight.  Some older ones used to have ferrules that weren't perfect.  

My heads from Bill @ Zipper have been nicely done. I just bought some more at kzoo.  Finished well so just a little diamond stone work and they are scary sharp, ferrules are straight.

It's easy to see the wound channel is not straight, and when you hit ribs they actually shatter, not just split.  The head spins through an animal.  Not really fast, but it does. The more solid the medium is, the more it spins.  So if you just look at lung tissue, tough to see any because the force of the lung tissue on the head is minimal.  Through heart, muscle, ribs, and hide it is noticeable.  

I'd try the zipper product again.  I've had no problems.
This has been my experience also.

If you have a problem with anything Bill makes, he wants to know about it so he can fix it, he provides excellent customer service and great products!!!

Benjy
TGMM Family of the Bow
ZIPPER NITRO 64" LONGBOW 50#@29"
ZIPPER SXT   60" RECURVE 52#@29"
ZIPPER SXT   64" LONGBOW 71#@29"

Jwilliam

I didn't have any issues mounting mine either. Well built broadhead  :thumbsup:


Bill

Kris

Take a look at your BH adaptors, fit them into the Kodiaks dry (w/o glue) if they wiggle and have lateral play, you are going to have a tough time aligning them perfectly.  I would also stress that I use hot glue, Kimsha Quick-Stick (to be exact).  Hot glue allows you to re-heat and re-align if they do not true-up the first time around.

I true my BH adaptors by inverting my electric drill into the soft jaws of my work bench vice and use it like a miniature lathe.  Tighten the adaptor into the chuck, run the drill on a fixed speed and bring a large mill bastard file to bare, flat to the 5 degree taper.  Please wear eye protection but I have never had an adaptor come out of the jaws.  It doesn't take much removal to get them "just right" either.  

You can tune them exactly to the shape of your BH's ferrule.  Most adaptors are oversized for the Grizzly's but maybe not for the Kodiaks (I don't have any Kodiaks), as I believe they have improved and slightly enlarged  the ferules on them.  Be aware that the tanto tip may deceive you and your head may wobble slightly even though it is aligned perfectly.  You can slightly and temporarily point the tanto to spin them true.  

Once I've dry mounted the BH to the adaptor and have the orientation I want (horizontal), I mark with a Sharpie pen, a small dash on the ferrule running off the back of it onto the arrow or arrow insert, that way, when I apply the hot glue to the adaptor and insert it into the BH, I can align them exactly back the place that spun true when dry mounted.

Hope this is provides an option.

Kris

Al Kidner

Thanks for all that Kris and I will keep it all in mind.

Gents, Bill from Zipper/ Grizzly and I have been chatting away and the problem has now been fixed.

These heads look as mean as and I can't wait to send them through some critters, both here and in Africa come August !

Cheers,

Alan.
"No citizen has the right to be an amateur in the matter of physical training. What a disgrace it is for a man to grow old without ever Seeing the beauty and strength of which his body is capable." Socrates.

Gator1

I know one thing, from my understanding, Bill has done a great job and lots of blood sweat and tears resurrecting this head.

I'll be ordering for my arrows for this Fall for sure..

 :thumbsup:

jhg

QuoteOriginally posted by zipper bowss:
Give me a holler Al if you are still having issues. Lots of good info here about aligning broadheads.

Joshua, send me some contact info. Your experince is not the norm or we would have been out of business long ago.Give me a chance to find out what was wrong and correct it.The last thing I want is for someone to feel like they got an inferior product.
If anyone is or has had issues with the broadheads we are or have produced. I want to know about it. Please contact me so I can fix any issue you may have had. I can not correct a problem I dont know your having.     :D    
Bill
Wow, thanks! Let me read thru the tips/suggestions in this thread. Maybe it was/is the adapters... I felt like I tried about as much fussing with rotation, pressure, cleaning the ferrel etc.  but did not check the adapter fit.

Joshua
Learn, practice and pass on "leave no trace" ethics, no matter where you hunt.

ChuckC

Yes, Al,  please share advice. . .
ChuckC


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