tag:blogger.com,1999:blog-4952460912398461727.post4776241881028180463..comments2024-03-26T06:21:34.320-07:00Comments on Teton Tenkara: Why Does This Rod Feel Tip Heavy? The Rod Cantilever Effect.Tom Davishttp://www.blogger.com/profile/18240935660681343164noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-4952460912398461727.post-64040510829032725912013-06-21T07:34:19.037-07:002013-06-21T07:34:19.037-07:00Tom,
This is a very nice measurement of a "fe...Tom,<br />This is a very nice measurement of a "feeling" that we all have as we pick up and cast a fly rod or Tenkara rod. I think it's more significant in Tenkara because the weight of a traditional flyline and reel completely changes the "tip heaviness" of a western flyrod. With nearly weightless Tenkara lines, the rod is almost all that we are supporting.<br /><br />I've never held any of these rods, but looking through your data, the weight of the rod correlates reasonably well with the cantilever force that you measure. The Ayu is 1.8 time weight of the Sagiri, but the cantilever force increases a bit less than 1.6 times. <br /><br />Thanks again, I really enjoy this information,<br /><br />BruceNorikanehttps://www.blogger.com/profile/08224837998222035002noreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-71818426528598178442013-05-21T16:26:45.668-07:002013-05-21T16:26:45.668-07:00I meant "balanced" in a traditional fly ...I meant "balanced" in a traditional fly fishing context - not literally. No, I do not plan on jamming the butt end of my T rod into an apple any time soon.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-86534563166391226692013-05-15T07:30:07.459-07:002013-05-15T07:30:07.459-07:00Tom,
Once again, thanks for the numbers. It is Ve...Tom,<br />Once again, thanks for the numbers. It is Very surprising to see that it would take 12 ounces to "balance" the Sagiri, especially when you consider a 4 ounce reel balancing a 10' traditional rod. That forward fulcrum makes a Big difference.<br /><br />On my Kozuka 39NT I added an ounce of adhesive-backed Zonker lead when I built up the butt to give me a bulb at the end. Now I know why I had a hard time noticing any difference in the feel of the rod when held at the bulb. But when I move my grip forward I Can feel the difference. <br /><br />Your numbers make it clear that a good design is the only way to go. Otherwise I'd end up with a 16 ounce rod if I wanted it "balanced".<br /><br />GregAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-80910947404828106662013-05-14T13:31:22.370-07:002013-05-14T13:31:22.370-07:00Very interesting way to look at it. In western fl...Very interesting way to look at it. In western fly fishing, although not ideal, one can compensate for tip-bulk by balancing with a heavier than normal reel. In Tenkara good balance is set by the designer. Hand position makes some difference, however a tip heavy T rod is just less pleasant to cast and fish. It seems likely that some current rods will be completely refined, not just with added weight to the butt section, in such a manner that justifies the good money we are paying for the product. It is not surprising that the Japanese made (or at least Japanese marketed) tenkara (and some sieryu and keiryu) rods offer the best balance and are the least tip heavy. Glad you have pointed this out.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-86662152132444823112013-05-13T13:03:07.574-07:002013-05-13T13:03:07.574-07:00Anothr very nice post Tom.
This information, in my...Anothr very nice post Tom.<br />This information, in my opinion, would be a very iportant one (if not the most),<br />in makiking a rod buying decision. Good feel and confort are a must to those who fish and cast a rod all day. Feeling light for me is more important than being light.<br />Sure, if you can have both the better. <br /><br /><br />BLATThttps://www.blogger.com/profile/08208018269139723012noreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-3691778630765515612013-05-13T06:14:32.812-07:002013-05-13T06:14:32.812-07:00Measuring the COG would give a estimation of the t...Measuring the COG would give a estimation of the tip heaviness of the rod. It's just a different way to measure it. The COG does change as the angle of the rod rises, though. Since we fish the rod between 30 and 50 degrees (to keep the line off the water) a better estimation of tip heaviness is made at some angle in that range. It is more cumbersome however. I chose 30 degrees due to my ceiling height.<br /><br />-Tom<br />Tom Davishttps://www.blogger.com/profile/18240935660681343164noreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-3235556789513459812013-05-13T00:55:12.891-07:002013-05-13T00:55:12.891-07:00Am I wrong or would not finding the center of grav...Am I wrong or would not finding the center of gravity of the extended pole give a result that would speak much the same. The center of gravity (COG) of a tip-heavy pole should be further away from the butt of the rod. The measure of length from the butt-end to COG divided by the overall length of the rod should yield a fraction (or percent if you prefer) which would in comparison would relatively show which of two rods is tip-heavy.<br /><br />Just wondering if that might be what Gamakatsu had in mind with their measure of "moment" from their website I mentioned in the previous post.<br /><br />I have had a thought rattling around in my head for some time now that it may be easy to overcome a tip-heavy tenkara or keiryu rod if one did not mind added weight. That screw-in butt plug provides a place to add some easy weight by replacing the existing plug with a weighted one (might be a nice side industry if the screw size didn't change from rod to rod). The only problem may be that it is too close to the fulcrum point depending upon how one holds the rod to cast it. Lynn Davidhttps://www.blogger.com/profile/02885808956452761511noreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-54023880877634861212013-05-12T08:45:52.789-07:002013-05-12T08:45:52.789-07:00I think the advertised length is only a ball park ...I think the advertised length is only a ball park for most rods.<br /><br />-TomTom Davishttps://www.blogger.com/profile/18240935660681343164noreply@blogger.comtag:blogger.com,1999:blog-4952460912398461727.post-78910782821901725042013-05-11T18:36:25.156-07:002013-05-11T18:36:25.156-07:00It's interesting that a few of the rods are lo...It's interesting that a few of the rods are longer then advertised.Anonymoushttps://www.blogger.com/profile/06840175707812149660noreply@blogger.com