Finding The Spine Of A Blank: Rod Building 101
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- Опубліковано 12 вер 2024
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• How-To Find The Spine ...
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Rod Building 101 | Step 2 | How To Spine Your Rod Blank
THINGS YOU WILL NEED:
* China Marker: bit.ly/2oIGLzv
* Rod Building Tape: bit.ly/2oHVvP1
* Epoxy Finish: bit.ly/2nHpamS
Step 1 - Finding the Spine
Finding the spine of rod and doing it correctly creates a better performing overall fishing rod. It’s very easy to do and requires very little equipment. One, being a china marker.
Place the butt of the rod blank on a firm surface.
Support the rod tip with your other hand and start to put a nice firm flex in the blanks without overdoing it.
Once the rod is under load, you can pinch and twist the rod blank until you feel the blank roll into place. You will know you found the spine when the blank rolls into place, and you find it difficult to roll the blank out of spine.
TIP: You may want to do this more than once because you may find that rod blanks have more than one spine. In that case, you want to build on the firmer of the two.
Once you’re satisfied, you take your china marker and you make a 3 to 4-inch mark on the rod blank.
This will be the visual reference later when you’re lining your reel seat and mounting your guides.
TIP: For spinning and fly rods, you want to make that mark in the inside of your curve. For casting or conventional rods, you want to make it on the outside of the curve and that’s it, you’ve found the spine.
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ROD BUILDING 101 PLAYLIST:
Step 1 | Finding The Spine : bit.ly/2p5cQOo
Step 2 | Handle Assembly : bit.ly/2ngjq8h
Step 3 | Reel Seat Install : bit.ly/2nOhzE0
Step 4 | Guide Prep & Spacing : bit.ly/2o19UTN
Step 5 | Hand Wrapper Assembly : bit.ly/2odEyeO
Step 6 | Guide Wrapping : bit.ly/2nHMqBr
Step 7 | Tip Top Install : bit.ly/2nHvTgC
Step 8 | Custom Decals : bit.ly/2oEOLle
Step 9 | Applying epoxy : bit.ly/2p58Hu3
Step 10 | Final Wrap Up :bit.ly/2ngvlD8
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3 minutes of absolute gold! Thank you
Great video - many thanks!
great vid. mudhole service and shipping is pretty good, i can get stuff shipped to me quite fast and secure despite they are almost 10,000 miles away across the world.
good tutirial....
great thanks for your show video
I think I've found a better way to find the spine. Especially if your handling a custom fly blank of 4, 5 sections. They are to bend and you may crack one trying to make it jump. With a Uni-micrometer you'll get a choice of anvils. One of which is a pin. Insert the pin (now on your Mic.) into the blank and gently turn down the spindle, it will close the gap until you feel resistance. Now turn your blank, if you are on the spine you'll feel it loose grip. If so turn down the spindle again till you feel resistance. Now turn your blank. Where you feel the blank stop you've found the start of the spine mark that spot the rotate the other way till it stops, you've found the beginning of the other side of the spine. It takes a little practice but you'll get it soon enough. You'll find the spine without chancing a split or crack. Hope this helps. PS I Split one so I turned to this method.
Would you mind making a quick video about this? No need for the fancy camera, lighting, microphone and post production and processing. THANKS!
Just a quick question, I have tested a few of my pre-built rods to find the spine, and it seems to snap in two places. both opposite of each other. Why is this, and how can I eliminate it?
All rod blanks will have opposing spine/spline. One spine will be dominant and several tries may be needed for discernment. For fly rods the guides will go on the bottom side of the blank as shown in the video. You are looking for the plane the rod will predominately flex when loaded on the forward motion of cast. On fly rods the guides need to be on the convex side of the flexion arc on the forward stroke or the rod will try to twist into that plane and give erratic directional release of casting energy resulting in inaccuracy. For rods used for trolling, or where casting accuracy is irrelevant, it is probably best to have the guides on the opposite side to reduce rotational rod strain when fighting a large fish. Not going to go into details for casting and spin rods, but if you think of whether it is casting accuracy or strength in fighting is most important and taking into consideration whether guides are to be mounted on top or bottom side of rod you can figure it out. With multi section rods, the spine should be determined for each section separately or the flexion plane under load when sections are joined will result in each section trying to flex in a different direction creating wasted rotational forces. Once they are then joined, test the complete blank and you may need to fine tune the testing on each section again so they all tend to flex uniformly in the same plane when loaded. Be patient, it may take some fiddling to get it balanced in the predominant flexion plane. Remember, in a two piece rod, the bottom section has the most influence on flexion energy direction and the tip section gets "confused" when it is trying to flex in a different than the rest of the rod. In a three or four piece rod the flexion tuning has more variables, so be patient in making sure the dominant flexion plane is uniformly aligned through the entire length of the finished rod. Then ya got a sweet fishing partner in your hand.
So how would you find the spine on a multi part rod then? I want to build a 4 piece..
See reply to
Team Wagy above.
Very interesting; I never knew this. What is the advantage in building your own rod?
I know that some people in Maine build rods only after watching you cast first. Maybe that level of customization is not necessary.
It allows you to choose your aesthetics mostly. However it also allows you to know what material is used pick your guides and most importantly you can get odd length rods by cutting the blank ie 6'3" rods are not super common so buy a 6'6" blank and cut 3 inches off the base
really rod building allows for the perfect rod to you. the weight distribution, the handle materials, handle shape, handle length. along with making it look good with your favorite reel. rod building u can build a rod that would more 350 for around 175
What if the spine does not align w the straightest axis of the blank? What if you build on the spine then notice a curvature bending left or right on the finished rod?
Rod blanks during production can end up with a slight bend in them. Building on the spine will always give you the best action and minimal-torque performance out of the blank. But, if the blank has a bend to the side when lined up with the spine, then a choice has to be made whether you prefer the straightest axis or getting the most performance out of the rod blank. Some will say building on an axis where the blank is curved could add unnecessary friction to your line when casting, but others would say it is too minimal to notice.
There is a ton of other things to consider that people will tell you. At the end of the day, if there is a bend in the rod after you finished it, you'll still have a great rod you've built that will get the job done
Is the spine on both sides or with side is it on?
the spine is one one side imagien a arch for a spinning rod the guides will be on the belly of the arch where as a casting rod it'll be on the ridge
When spining a 4pc fly rod, do you do each piece, or the entire assembly?
You don't spine the first two sections (handle side), but the other two sections you would spine individually!
The spine is from where they first build the rod an start the carbon or what ever
If you are not holding the tip of the rod when rolling the blank, are you not, in fact, finding the location of the spine between the base of the rod and where you are holding your top hand?
What happen when my rod stops at 2 places?
The most aggrsive stop is your true spine build on that
Pardon the stupid misspellin words was in hurry guys an gals... Mudhole rules..
What is the spine, or maybe "what causes the spine to form during the fabrication of the blank?"
+Matthew Herzog the carbon is rolled - the spine is the end of the roll
So it's a seam. Thanks.
It would be so much better & efficient if Mud Hole would just find and mark the spine on every blank they $ale. Just saying.
takes away the fun
Why is it so important? Building with the spine has been proven to be less strong
Great vid and pay attention or u can make tne 200.00 svrew up as I did I missed the spine by mm's why not pay attention to detail !!! Now I have to remove reel seat grips and start all ovet again so I got of my butt boight spine finder $35.00 and lazer another 35.00 so I spent $70.00 on a costly mistake ... If your palying building use the hand method if yojr building for profit better annie up and do it right !! As ylur name on it bubba ... And one mistake can cost ya the business you wanna start..