Okay, I've read the rod repair tutorial in the library. Here's what I've got:
A Shiamno Cumara rod has been brought to me for repair. It's suppose to be 6'8". The tip is broken off and is now 6'2". He didn't keep the piece that broke off. I have a 6" section of graphite that I can cut to match at the break point, but the wall thickness of my section is greater than the original. ODs of the rod and section match perfectly, but, on the ID I can barely get the 4.0 peg on my tip sizer in the Cumara, but I can't get the 3.5 peg in the mating end of the section I'm using, close but no cookie. Obviously a different wall thickness. Now I'm not talking about the oversleeve here but rather the section that I will add. I have some fiberglass pieces that I'll use as an oversleeve per the instructions in the library.
Will the different wall thicknesses of the rod and the repair section cause a problem when the rod gets put under a load? Or, am I varying too much from the original properties of the rod. I've had success with repairing tips before but I always had the original part that was broken off to add back. Never added a piece from something else.
Another alternative that I CAN do, is to add a 6" piece of fiberglas section. But what would I oversleeve with then? I've never done it that way before. Any suggestions?

Well if your replacement tip piece is the same modulus then with the thicker wall, if you think about it, when under load that new tip section will want to remain straight while beyond the splice it will want to start bending. However it is probably better than adding a soft tip section on a stiffer rod causing a definite shear point at the splice. I believe Ralph in his tutorial used glass in the splice to not have a stiff section on the rod that the graphite would give you. IMHO

Shimano Cumaras have a lifetime warranty - it might be better for you to suggest to the customer to submit the rod for warranty replacement than for you to get into a messy repair like this.

If he wants to go ahead with the repair I'd make it clear that without the original tip that this is at his own risk and that the repair may not hold.

Dan

Dan Ertz Wrote:
-------------------------------------------------------
> Shimano Cumaras have a lifetime warranty - it
> might be better for you to suggest to the customer
> to submit the rod for warranty replacement than
> for you to get into a messy repair like this.
>
> If he wants to go ahead with the repair I'd make
> it clear that without the original tip that this
> is at his own risk and that the repair may not
> hold.
>
> Dan

And the warranty is probably toast!!
Bob

Greg,
Pick up a few broken or scrap rods from the bait stores or the good will stores.

Then, go through the blanks until you can find a section of tip that will match the size and wall thickness of the original blank.

It normally is not difficult to do, if you can go through a few different rods.

The problem is, that if you use a section that is a lot different than the original blank, the rod will really lose much of its excellent function.

So much of a rods touch and fish catching ability - especially for lighter action rods, is in the last 6 inches of rod.


Whenever I do a rod repair, I do both an inner sleeve, as well as an outer sleeve.
If the inner size is quite small I will typically use piano wire for the inner sleeve. The piano wire does a nice job of matching the tip flex, and it keeps the sections from crushing. Then, I do an outer sleeve using matching wall thickness material.

I have repaired lots of rod sections, when I find a section of blank that matches both sides of the repair. I will cut off 4 or 5 inches, and then I will chuck the piece of graphite into a drill and use it to thin the wall thickness of the material.
I simply hold the spinning graphite tube against a spinning 1 inch belt sander with about a 150 grit on the sander. This will quickly thin the graphite to make for a cleaner and better matching outersleeve. With a decent inner sleever, there really doesn't need to be a lot of thick wall sleepving on the outer sleeve, unless you are working with a very heavy duty rod. Just try to match the wall thickness to the existing blank.

Roger

I had a Shimano that I broke the tip on while carring it to the beach one morning. I package the rod up and a littlel not stating that I was not sure how the tip boke and they sent me a new rod. I paid for the shipping back to the factory and they sent the rod at no charge. I believe in Shimano. P.S. It took UPSa full week to transport the rod from the east coast to CA and only 3 days for Shimano to return the new rod.

Wow, that's a good warranty.

David Dosser
Coshocton, OH