# Duncan ProYo **URL:** \ **Category:** General Yo-Yo\ **Created:** [February 26, 2019, 6:13pm UTC](https://forums.yoyoexpert.com/t/duncan-proyo/299347 "2019-02-26T18:13:54Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![jhb8426](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/jhb8426/32/631_2.png) [@jhb8426](https://forums.yoyoexpert.com/u/jhb8426)\ **Post date:** [February 26, 2019, 8:46pm UTC](https://forums.yoyoexpert.com/t/duncan-proyo/299347/3 "2019-02-26T20:46:36Z")
Yohans gives a pretty in depth discussion of the proyo series here: > [@Tom Kuhn Heirloom Box of six yo-yo history](https://forums.yoyoexpert.com/t/tom-kuhn-heirloom-box-of-six-yo-yo-history/297724/12): > > Well well look who showed up… [IMG\_7328] It is still hard to tell what’s going on with the axle of this Pro-Yo 1. Ah wait. I took the string off and it is definitely a full metal axle, not a wood transaxle. [image] So the Pro-Yo 2 screws apart in a rational way uses a wood transaxle, not a metal axle has large wooden sides on that transaxle for a “wooden response area” In addition to verifying the metal axle, I see zero provision for any kind of response inside the pro-yo 1, no starburst … --- _[View the full topic](https://forums.yoyoexpert.com/t/duncan-proyo/299347)._