2 Piece at butt joint suggestions?

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1fish2fish

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May 30, 2012
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I’m building a two piece Black Hole Cape Cod Special Jigging 150g. The joint is at the end of the handle. Trying to figure out how to finish the end.
Thinking just going with aluminum trim ring (winding check) there. See picture.

Also, considering maybe a trim band or two just for looks, but can’t decide if it looks goofy. See Example. If the picture looks a bit crappy it’s because I didn’t actually make trim bands, just taped on a section of a color test wrap for the example.

The winding check has enough clearance I could do a wrap under it.
There shouldn’t be any need for extra strength there, right? The construction of the rod and length the tip fits into the hand section should be way more than enough.
I guess I wouldn’t want a lot of tight wraps? Could it change the ID of the butt section and make it not fit as far in? Guessing the carbon fiber is stiff enough and thick enough that it isn’t an issue.

Side note: the butt section is straight OD (~0.5”).

Also, attached are pictures of an Okuma Andros that I used to have.

Any suggestions on mechanical or aesthetic aspects are appreciated. As are example photos.

Thanks

A1C363AD-BA18-4BCD-B9A6-6530438DA8BD.jpeg


7CDCBCBB-7A8A-40FE-8E85-AE2DA6F37BCD.jpeg


69B15C4C-A0FC-4226-83A5-F9D8060B121D.jpeg
 
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SouthBayKiller

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I built a couple of these and just left the EVA a little long, around an inch. The tip portion of the blank goes inside the handle assembly and you would not see the butt joint at all.
 
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1fish2fish

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FAT CAT. Nice looking rod. Thanks. I can guarantee mine will be much more in the “utility-style” category. I thought it was advisable to leave a gap at the joint for some wear allowance over time. Maybe not actually necessary?
 
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billa

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Several years ago I was just starting out building fly rods. Looking at every rod in fly shops, there was a particular way of wrapping the male side of the ferrule. At the time it seemed odd until someone explained it to me.
Over time the female side of the ferrule get worn to a degree and the opening becomes larger. So more of the male side is needed to form the proper tight fit when rod sections are joined together. So if you look at any fly rod in a fly shop, you will see a 3/4" buffer area that never gets thread wrapped.
 
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RWP

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I always wrap at least 1" of the female section, more when possible. If it has a fore grip, I wrap it the length of the male section.

IMG_20201201_214934303.jpg


IMG_20210130_143455999.jpg


IMG_20210214_103833124_HDR.jpg


IMG_20210428_171916137.jpg
 
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1fish2fish
Thanks for the pictures. I like the taper on the 2nd picture. I assume that is just built up with thread? Lay down on layer, wrap back most of way a few times, less each time?
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RWP

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@1fish2fish sorry I didn't get notified about your comment. The 2nd pic is a crb large winding check over black thread.

I glue halfway up the check and it makes a nice ramp.

The first picture is the exact same way (though it got another coat of epoxy after that photo), just with blue thread. Black on black blends seamlessly.

 
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RWP

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Also, all of the rods pictured are black hole. You 100% need to leave at least 1/2" of space between the sections. They will end up closer after some use.
 
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1fish2fish

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Finished wrapping and coated rod last night. Here’s the butt joint. I put the finish all the way up the cone. Thanks again to all who gave photos and offered suggestions. Without the pics and suggestions I probably would have just done the trim ring to the end of the butt section. Happy I did a bit thread.

EB70F50A-4095-4A6A-9A55-57D6CEFF4E67.jpeg
 
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RWP

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Looks good. Make sure you wrap over the tape line of the clear coat on the top section, it will start to peel if you don't.
 
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1fish2fish

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Related question on clear coat. Farther up on rod, there’s a ding in the clear coat (Probably from my clumsiness at some point). Any way to easily fix? Thought about just hitting with enough guide finish to fill, but not run.
 
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RWP

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The clear coat on some of the black hole blanks is pretty easy to damage. I stopped buying their glossy blanks.

You can use thread finish, or cpxtra.

Make sure its just a chip in the clear and not into the rod material.
 
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dsl

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    Related question on clear coat. Farther up on rod, there’s a ding in the clear coat (Probably from my clumsiness at some point). Any way to easily fix? Thought about just hitting with enough guide finish to fill, but not run.
    Can you skim coat on high speed?
     
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