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Deflection question, explain how a stiffer CF shaft has less deflection.

T411
Jaden said:
Because CF is stronger and therefore can remain stable and strong with more hollowness and thinner walls, they are capable of being lower deflection than wood. I've created a hybrid shaft that plays better than pretty much anything else I've played with that is a kielwood shaft that has been cut down and fused with a carbon fiber tube for the final 10 inches.

It can be larger diameter giving better consistency and forgiveness of hit, yet still have relatively low deflection and with that good feeling and feedback of a wood to wood joint.
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Interesting ❗️
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Billiards Breaks Off at the World Games

azhousepro
The billiards competitions at the 2025 World Games got underway this Sunday in Chengdu, China, with seven gold medals to be decided by Friday. In the men’s snooker event, twelve players are split into four groups, with the top two in each advancing to the quarterfinals. Group A, featuring China’s Xiao Guodong, produced an early upset: after a 2–0 opening win over Iran’s Ali Gharahgozlou, Guodong fell 1–2 to Poland’s Sebastian Milewski. The final group match is set for Monday. In Group B, Muhammad Asif (Pakistan) and Germany’s Alexander Widau have already secured quarterfinal berths after each defeating China’s Xiaolong […]

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Radial joint insall

J
Sheldon said:
Pin goes in last. If you install it with the wood way oversized, it's off-center the instant the wood moves at all.
Radial has a locator barrel, basically the same OD as the threads. Some beginners like drilling a hole and just letting the glue hold the pin, but it's generally not a good practice.
Main parts of the procedure entails boring 5/16", boring for the locator, tap for the threads, install. If any part of the process is not dead true to the center line of the cue, you'll have problems. The threads at the back of the pin are undersized, so there is a TINY bit of wiggle room there, but very little. And if your hole for the locator is off at all, forget about it.
Radial pin threads don't have slop like your typical 5/16ths metal joints, so if your pin isn't straight, your cue will never roll true when the shaft goes on.
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When you say locator barrel, I assume that’s the flat cylindrical section between the two sets of threads?

Additionally, if I were to install the pin last, with an indicator and rest would it be possible to maintain true concentricity for the install on a wood lathe? I will have a chuck holding the opposite side, I’d just hate to do the pin last and ruin the whole thing…
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