In case people don't know already, NGPRacing already sells an aluminum relay shaft ball
My Schrick 276 1.8 16V golf vids ^
Yeah I've seen the plastic ones but to me some form of metal always seemed better. I thought to use aluminum at first but it's lighter and i figured the more weight you can add to the linkage setup the more solid it would feel. This is the only one I've made thus far and it's just mild steel. I'm thinking of tapering it something like the aluminum one in the previous post for ease of installation. Also it seems like that one is designed to spin like the factory one, but mine is just press fitted. I saw no need to make it spin. I thought of selling just the cylinder itself but then you'd have to press it on (not that hard). My thought was to sell them with a core refund. Something like 5 bucks if you sent me your old unbroken relay shaft. Right now, I've got one spare shaft. I could probably make a few more cylinders by next weekend and determine cost by then if anyone is really interested. Send me a pm with interests and I'll get back to you as i get further along in the process.
Am not expert on it, but I am pretty sure the ball sinning freely is a very good thing. The idea is good, but the material choice isn't something I would purchase. Mild steel would eventually rust, and left untreated and/or perpetually abraded by the shifting motion, that "eventually" would not be too far away.
Aluminum or stainless would be what I would be interested in, even with the price increase.
I learned a very important life lesson today: You can't teach a stoned hippie new tricks.